http://git-wip-us.apache.org/repos/asf/incubator-ignite/blob/168d7d03/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCacheLifecycleAwareSelfTest.java
----------------------------------------------------------------------
diff --git 
a/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCacheLifecycleAwareSelfTest.java
 
b/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCacheLifecycleAwareSelfTest.java
index 11d1d00..be7babc 100644
--- 
a/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCacheLifecycleAwareSelfTest.java
+++ 
b/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCacheLifecycleAwareSelfTest.java
@@ -32,6 +32,7 @@ import org.apache.ignite.spi.discovery.tcp.*;
 import org.apache.ignite.testframework.junits.common.*;
 import org.jetbrains.annotations.*;
 
+import javax.cache.*;
 import javax.cache.configuration.*;
 import javax.cache.integration.*;
 import java.util.*;

http://git-wip-us.apache.org/repos/asf/incubator-ignite/blob/168d7d03/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCacheLuceneQueryIndexTest.java
----------------------------------------------------------------------
diff --git 
a/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCacheLuceneQueryIndexTest.java
 
b/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCacheLuceneQueryIndexTest.java
index 3cc4602..91b20fe 100644
--- 
a/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCacheLuceneQueryIndexTest.java
+++ 
b/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCacheLuceneQueryIndexTest.java
@@ -102,8 +102,8 @@ public class GridCacheLuceneQueryIndexTest extends 
GridCommonAbstractTest {
     public void testLuceneIndex() throws Exception {
         final Ignite g = startGrid(0);
 
-        final Cache<Integer, ObjectValue> cache1 = g.cache("local1");
-        final Cache<Integer, ObjectValue> cache2 = g.cache("local2");
+        final GridCache<Integer, ObjectValue> cache1 = g.cache("local1");
+        final GridCache<Integer, ObjectValue> cache2 = g.cache("local2");
 
         final AtomicInteger threadIdxGen = new AtomicInteger();
 
@@ -159,8 +159,8 @@ public class GridCacheLuceneQueryIndexTest extends 
GridCommonAbstractTest {
     public void testLuceneIndex1() throws Exception {
         final Ignite g = startGrid(0);
 
-        final Cache<Integer, ObjectValue> cache1 = g.cache("local1");
-        final Cache<Integer, ObjectValue> cache2 = g.cache("local2");
+        final GridCache<Integer, ObjectValue> cache1 = g.cache("local1");
+        final GridCache<Integer, ObjectValue> cache2 = g.cache("local2");
 
         final AtomicInteger threadIdxGen = new AtomicInteger();
 
@@ -230,8 +230,8 @@ public class GridCacheLuceneQueryIndexTest extends 
GridCommonAbstractTest {
     public void testLuceneIndex2() throws Exception {
         final Ignite g = startGrid(0);
 
-        final Cache<Integer, ObjectValue> cache1 = g.cache("local1");
-        final Cache<Integer, ObjectValue> cache2 = g.cache("local2");
+        final GridCache<Integer, ObjectValue> cache1 = g.cache("local1");
+        final GridCache<Integer, ObjectValue> cache2 = g.cache("local2");
 
         final AtomicInteger threadIdxGen = new AtomicInteger();
 
@@ -303,8 +303,8 @@ public class GridCacheLuceneQueryIndexTest extends 
GridCommonAbstractTest {
     public void testLuceneIndex3() throws Exception {
         final Ignite g = startGrid(0);
 
-        final Cache<ObjectKey, ObjectValue> cache1 = g.cache("local1");
-        final Cache<ObjectKey, ObjectValue> cache2 = g.cache("local2");
+        final GridCache<ObjectKey, ObjectValue> cache1 = g.cache("local1");
+        final GridCache<ObjectKey, ObjectValue> cache2 = g.cache("local2");
 
         final AtomicInteger threadIdxGen = new AtomicInteger();
 

http://git-wip-us.apache.org/repos/asf/incubator-ignite/blob/168d7d03/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCacheMemoryModeSelfTest.java
----------------------------------------------------------------------
diff --git 
a/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCacheMemoryModeSelfTest.java
 
b/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCacheMemoryModeSelfTest.java
index bbf605f..81b0ce2 100644
--- 
a/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCacheMemoryModeSelfTest.java
+++ 
b/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCacheMemoryModeSelfTest.java
@@ -209,16 +209,16 @@ public class GridCacheMemoryModeSelfTest extends 
GridCommonAbstractTest {
         final int all = cache + offheapSwap;
 
         // put
-        doTest(cache, offheapSwap, offheapEmpty, swapEmpty, new 
CIX1<Cache<String, Integer>>() {
-            @Override public void applyx(Cache<String, Integer> c) throws 
IgniteCheckedException {
+        doTest(cache, offheapSwap, offheapEmpty, swapEmpty, new 
CIX1<GridCache<String, Integer>>() {
+            @Override public void applyx(GridCache<String, Integer> c) throws 
IgniteCheckedException {
                 for (int i = 0; i < all; i++)
                     c.put(valueOf(i), i);
             }
         });
 
         //putAll
-        doTest(cache, offheapSwap, offheapEmpty, swapEmpty, new 
CIX1<Cache<String, Integer>>() {
-            @Override public void applyx(Cache<String, Integer> c) throws 
IgniteCheckedException {
+        doTest(cache, offheapSwap, offheapEmpty, swapEmpty, new 
CIX1<GridCache<String, Integer>>() {
+            @Override public void applyx(GridCache<String, Integer> c) throws 
IgniteCheckedException {
                 Map<String, Integer> m = new HashMap<>();
 
                 for (int i = 0; i < all; i++)
@@ -237,12 +237,12 @@ public class GridCacheMemoryModeSelfTest extends 
GridCommonAbstractTest {
      * @param x Cache modifier.
      * @throws IgniteCheckedException If failed.
      */
-    void doTest(int cache, int offheapSwap, boolean offheapEmpty, boolean 
swapEmpty, CIX1<Cache<String, Integer>> x) throws Exception {
+    void doTest(int cache, int offheapSwap, boolean offheapEmpty, boolean 
swapEmpty, CIX1<GridCache<String, Integer>> x) throws Exception {
         ipFinder = new TcpDiscoveryVmIpFinder(true);
 
         startGrid();
 
-        final Cache<String, Integer> c = cache();
+        final GridCache<String, Integer> c = cache();
 
         x.applyx(c);
 

http://git-wip-us.apache.org/repos/asf/incubator-ignite/blob/168d7d03/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCacheMissingCommitVersionSelfTest.java
----------------------------------------------------------------------
diff --git 
a/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCacheMissingCommitVersionSelfTest.java
 
b/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCacheMissingCommitVersionSelfTest.java
index 61b6154..68f0638 100644
--- 
a/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCacheMissingCommitVersionSelfTest.java
+++ 
b/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCacheMissingCommitVersionSelfTest.java
@@ -83,7 +83,7 @@ public class GridCacheMissingCommitVersionSelfTest extends 
GridCommonAbstractTes
      * @throws Exception If failed.
      */
     public void testMissingCommitVersion() throws Exception {
-        final Cache<Integer, Integer> cache = cache();
+        final GridCache<Integer, Integer> cache = cache();
 
         final int KEYS_PER_THREAD = 10_000;
 

http://git-wip-us.apache.org/repos/asf/incubator-ignite/blob/168d7d03/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCacheMixedPartitionExchangeSelfTest.java
----------------------------------------------------------------------
diff --git 
a/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCacheMixedPartitionExchangeSelfTest.java
 
b/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCacheMixedPartitionExchangeSelfTest.java
index 23e9ef0..71497a9 100644
--- 
a/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCacheMixedPartitionExchangeSelfTest.java
+++ 
b/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCacheMixedPartitionExchangeSelfTest.java
@@ -91,7 +91,7 @@ public class GridCacheMixedPartitionExchangeSelfTest extends 
GridCommonAbstractT
 
                         int key = rnd.nextInt(keys);
 
-                        Cache<Integer, Integer> prj = grid(g).cache(null);
+                        GridCache<Integer, Integer> prj = grid(g).cache(null);
 
                         try (IgniteTx tx = prj.txStart(PESSIMISTIC, 
REPEATABLE_READ)) {
                             Integer val = prj.get(key);

http://git-wip-us.apache.org/repos/asf/incubator-ignite/blob/168d7d03/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCacheMultiUpdateLockSelfTest.java
----------------------------------------------------------------------
diff --git 
a/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCacheMultiUpdateLockSelfTest.java
 
b/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCacheMultiUpdateLockSelfTest.java
index e0be3be..41ef1c0 100644
--- 
a/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCacheMultiUpdateLockSelfTest.java
+++ 
b/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCacheMultiUpdateLockSelfTest.java
@@ -131,7 +131,7 @@ public class GridCacheMultiUpdateLockSelfTest extends 
GridCommonAbstractTest {
 
                         started.set(true);
 
-                        Cache<Object, Object> c = g4.cache(null);
+                        GridCache<Object, Object> c = g4.cache(null);
 
                         info(">>>> Checking tx in new grid.");
 
@@ -152,7 +152,7 @@ public class GridCacheMultiUpdateLockSelfTest extends 
GridCommonAbstractTest {
                 assertFalse(started.get());
 
                 // Check we can proceed with transactions.
-                Cache<Object, Object> cache0 = g.cache(null);
+                GridCache<Object, Object> cache0 = g.cache(null);
 
                 info(">>>> Checking tx commit.");
 

http://git-wip-us.apache.org/repos/asf/incubator-ignite/blob/168d7d03/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCacheMvccManagerSelfTest.java
----------------------------------------------------------------------
diff --git 
a/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCacheMvccManagerSelfTest.java
 
b/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCacheMvccManagerSelfTest.java
index 2a28d4b..b6d1fdb 100644
--- 
a/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCacheMvccManagerSelfTest.java
+++ 
b/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCacheMvccManagerSelfTest.java
@@ -95,7 +95,7 @@ public class GridCacheMvccManagerSelfTest extends 
GridCommonAbstractTest {
         try {
             Ignite ignite = startGridsMultiThreaded(gridCnt);
 
-            Cache<Integer, Integer> cache = ignite.cache(null);
+            GridCache<Integer, Integer> cache = ignite.cache(null);
 
             IgniteTx tx = cache.txStart();
 

http://git-wip-us.apache.org/repos/asf/incubator-ignite/blob/168d7d03/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCacheNestedTxAbstractTest.java
----------------------------------------------------------------------
diff --git 
a/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCacheNestedTxAbstractTest.java
 
b/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCacheNestedTxAbstractTest.java
index 444da3e..f92005c 100644
--- 
a/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCacheNestedTxAbstractTest.java
+++ 
b/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCacheNestedTxAbstractTest.java
@@ -105,7 +105,7 @@ public class GridCacheNestedTxAbstractTest extends 
GridCommonAbstractTest {
      * @throws Exception If failed.
      */
     public void testTwoTx() throws Exception {
-        final Cache<String, Integer> c = grid(0).cache(null);
+        final GridCache<String, Integer> c = grid(0).cache(null);
 
         GridKernalContext ctx = ((GridKernal)grid(0)).context();
 

http://git-wip-us.apache.org/repos/asf/incubator-ignite/blob/168d7d03/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCacheObjectToStringSelfTest.java
----------------------------------------------------------------------
diff --git 
a/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCacheObjectToStringSelfTest.java
 
b/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCacheObjectToStringSelfTest.java
index 9fccc8f..7d4b5cb 100644
--- 
a/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCacheObjectToStringSelfTest.java
+++ 
b/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCacheObjectToStringSelfTest.java
@@ -154,7 +154,7 @@ public class GridCacheObjectToStringSelfTest extends 
GridCommonAbstractTest {
         Ignite g = startGrid(0);
 
         try {
-            Cache<Object, Object> cache = g.cache(null);
+            GridCache<Object, Object> cache = g.cache(null);
 
             for (int i = 0; i < 10; i++)
                 cache.put(i, i);

http://git-wip-us.apache.org/repos/asf/incubator-ignite/blob/168d7d03/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCacheOffHeapMultiThreadedUpdateAbstractSelfTest.java
----------------------------------------------------------------------
diff --git 
a/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCacheOffHeapMultiThreadedUpdateAbstractSelfTest.java
 
b/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCacheOffHeapMultiThreadedUpdateAbstractSelfTest.java
index 03c77b2..d24265c 100644
--- 
a/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCacheOffHeapMultiThreadedUpdateAbstractSelfTest.java
+++ 
b/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCacheOffHeapMultiThreadedUpdateAbstractSelfTest.java
@@ -131,7 +131,7 @@ public abstract class 
GridCacheOffHeapMultiThreadedUpdateAbstractSelfTest extend
      * @throws Exception If failed.
      */
     private void testPut(final Integer key) throws Exception {
-        final Cache<Integer, Integer> cache = grid(0).cache(null);
+        final GridCache<Integer, Integer> cache = grid(0).cache(null);
 
         cache.put(key, 0);
 
@@ -177,7 +177,7 @@ public abstract class 
GridCacheOffHeapMultiThreadedUpdateAbstractSelfTest extend
      * @throws Exception If failed.
      */
     private void testPutxIfAbsent(final Integer key) throws Exception {
-        final Cache<Integer, Integer> cache = grid(0).cache(null);
+        final GridCache<Integer, Integer> cache = grid(0).cache(null);
 
         cache.put(key, 0);
 
@@ -221,7 +221,7 @@ public abstract class 
GridCacheOffHeapMultiThreadedUpdateAbstractSelfTest extend
      * @throws Exception If failed.
      */
     private void testPutWithFilter(final Integer key) throws Exception {
-        final Cache<Integer, Integer> cache = grid(0).cache(null);
+        final GridCache<Integer, Integer> cache = grid(0).cache(null);
 
         cache.put(key, 0);
 
@@ -265,7 +265,7 @@ public abstract class 
GridCacheOffHeapMultiThreadedUpdateAbstractSelfTest extend
      * @throws Exception If failed.
      */
     private void testPutGet(final Integer key) throws Exception {
-        final Cache<Integer, Integer> cache = grid(0).cache(null);
+        final GridCache<Integer, Integer> cache = grid(0).cache(null);
 
         cache.put(key, 0);
 
@@ -327,7 +327,7 @@ public abstract class 
GridCacheOffHeapMultiThreadedUpdateAbstractSelfTest extend
     protected Integer keyForNode(int idx) {
         Integer key0 = null;
 
-        Cache<Integer, Integer> cache = grid(0).cache(null);
+        GridCache<Integer, Integer> cache = grid(0).cache(null);
 
         for (int i = 0; i < 10_000; i++) {
             if (cache.affinity().isPrimary(grid(idx).localNode(), i)) {

http://git-wip-us.apache.org/repos/asf/incubator-ignite/blob/168d7d03/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCacheOffHeapMultiThreadedUpdateSelfTest.java
----------------------------------------------------------------------
diff --git 
a/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCacheOffHeapMultiThreadedUpdateSelfTest.java
 
b/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCacheOffHeapMultiThreadedUpdateSelfTest.java
index 212afb3..718a406 100644
--- 
a/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCacheOffHeapMultiThreadedUpdateSelfTest.java
+++ 
b/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCacheOffHeapMultiThreadedUpdateSelfTest.java
@@ -123,7 +123,7 @@ public class GridCacheOffHeapMultiThreadedUpdateSelfTest 
extends GridCacheOffHea
      * @throws Exception If failed.
      */
     private void testPutTx(final Integer key, final IgniteTxConcurrency 
txConcurrency) throws Exception {
-        final Cache<Integer, Integer> cache = grid(0).cache(null);
+        final GridCache<Integer, Integer> cache = grid(0).cache(null);
 
         cache.put(key, 0);
 
@@ -179,7 +179,7 @@ public class GridCacheOffHeapMultiThreadedUpdateSelfTest 
extends GridCacheOffHea
      * @throws Exception If failed.
      */
     private void testPutWithFilterTx(final Integer key, final 
IgniteTxConcurrency txConcurrency) throws Exception {
-        final Cache<Integer, Integer> cache = grid(0).cache(null);
+        final GridCache<Integer, Integer> cache = grid(0).cache(null);
 
         cache.put(key, 0);
 
@@ -235,7 +235,7 @@ public class GridCacheOffHeapMultiThreadedUpdateSelfTest 
extends GridCacheOffHea
      * @throws Exception If failed.
      */
     private void testPutxIfAbsentTx(final Integer key, final 
IgniteTxConcurrency txConcurrency) throws Exception {
-        final Cache<Integer, Integer> cache = grid(0).cache(null);
+        final GridCache<Integer, Integer> cache = grid(0).cache(null);
 
         cache.put(key, 0);
 

http://git-wip-us.apache.org/repos/asf/incubator-ignite/blob/168d7d03/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCacheOffHeapSelfTest.java
----------------------------------------------------------------------
diff --git 
a/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCacheOffHeapSelfTest.java
 
b/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCacheOffHeapSelfTest.java
index 83f62fd..2ad1da1 100644
--- 
a/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCacheOffHeapSelfTest.java
+++ 
b/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCacheOffHeapSelfTest.java
@@ -109,8 +109,8 @@ public class GridCacheOffHeapSelfTest extends 
GridCommonAbstractTest {
             Ignite ignite1 = startGrid(1);
             Ignite ignite2 = startGrid(2);
 
-            Cache<Integer, Object> cache1 = ignite1.cache(null);
-            Cache<Integer, Object> cache2 = ignite2.cache(null);
+            GridCache<Integer, Object> cache1 = ignite1.cache(null);
+            GridCache<Integer, Object> cache2 = ignite2.cache(null);
 
             Object v1 = new CacheValue(1);
 
@@ -223,7 +223,7 @@ public class GridCacheOffHeapSelfTest extends 
GridCommonAbstractTest {
                 }
             }, EVT_CACHE_OBJECT_TO_OFFHEAP, EVT_CACHE_OBJECT_FROM_OFFHEAP);
 
-            Cache<Integer, CacheValue> cache = grid(0).cache(null);
+            GridCache<Integer, CacheValue> cache = grid(0).cache(null);
 
             populate(cache);
             evictAll(cache);
@@ -286,7 +286,7 @@ public class GridCacheOffHeapSelfTest extends 
GridCommonAbstractTest {
 
             grid(0);
 
-            Cache<Integer, Integer> cache = grid(0).cache(null);
+            GridCache<Integer, Integer> cache = grid(0).cache(null);
 
             for (int i = 0; i < 100; i++) {
                 info("Putting: " + i);
@@ -359,7 +359,7 @@ public class GridCacheOffHeapSelfTest extends 
GridCommonAbstractTest {
      * @param cache Cache.
      * @throws Exception In case of error.
      */
-    private void evictAll(Cache<Integer, CacheValue> cache) throws Exception {
+    private void evictAll(GridCache<Integer, CacheValue> cache) throws 
Exception {
         resetCounters();
 
         assertEquals(ENTRY_CNT, cache.size());

http://git-wip-us.apache.org/repos/asf/incubator-ignite/blob/168d7d03/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCacheOffHeapTest.java
----------------------------------------------------------------------
diff --git 
a/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCacheOffHeapTest.java
 
b/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCacheOffHeapTest.java
index 5c9eee6..4d0f755 100644
--- 
a/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCacheOffHeapTest.java
+++ 
b/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCacheOffHeapTest.java
@@ -180,7 +180,7 @@ public class GridCacheOffHeapTest extends 
GridCommonAbstractTest {
         Ignite g = startGrid();
 
         try {
-            Cache<Integer, Integer> cache = g.cache(null);
+            GridCache<Integer, Integer> cache = g.cache(null);
 
 //            int max = 17 * 1024 * 1024;
             int max = Integer.MAX_VALUE;
@@ -210,7 +210,7 @@ public class GridCacheOffHeapTest extends 
GridCommonAbstractTest {
         Ignite g = startGrid();
 
         try {
-            final Cache<Integer, Integer> c = g.cache(null);
+            final GridCache<Integer, Integer> c = g.cache(null);
 
             final long start = System.currentTimeMillis();
 

http://git-wip-us.apache.org/repos/asf/incubator-ignite/blob/168d7d03/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCacheOffHeapTieredAbstractSelfTest.java
----------------------------------------------------------------------
diff --git 
a/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCacheOffHeapTieredAbstractSelfTest.java
 
b/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCacheOffHeapTieredAbstractSelfTest.java
index 1093dcc..bed5ffb 100644
--- 
a/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCacheOffHeapTieredAbstractSelfTest.java
+++ 
b/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCacheOffHeapTieredAbstractSelfTest.java
@@ -87,7 +87,7 @@ public abstract class GridCacheOffHeapTieredAbstractSelfTest 
extends GridCacheAb
      * @throws Exception If failed.
      */
     public void testTransform() throws Exception {
-        Cache<Integer, Integer> cache = grid(0).cache(null);
+        GridCache<Integer, Integer> cache = grid(0).cache(null);
 
         checkTransform(primaryKey(cache));
 
@@ -168,7 +168,7 @@ public abstract class 
GridCacheOffHeapTieredAbstractSelfTest extends GridCacheAb
      * @throws Exception If failed.
      */
     public void testPutGetRemove() throws Exception {
-        Cache<Integer, Integer> c = grid(0).cache(null);
+        GridCache<Integer, Integer> c = grid(0).cache(null);
 
         checkPutGetRemove(primaryKey(c));
 
@@ -181,7 +181,7 @@ public abstract class 
GridCacheOffHeapTieredAbstractSelfTest extends GridCacheAb
      * @throws Exception If failed.
      */
     public void testPutGetRemoveByteArray() throws Exception {
-        Cache<Integer, Integer> c = grid(0).cache(null);
+        GridCache<Integer, Integer> c = grid(0).cache(null);
 
         checkPutGetRemoveByteArray(primaryKey(c));
 
@@ -195,7 +195,7 @@ public abstract class 
GridCacheOffHeapTieredAbstractSelfTest extends GridCacheAb
      * @throws Exception If failed.
      */
     private void checkPutGetRemove(Integer key) throws Exception {
-        Cache<Integer, Integer> c = grid(0).cache(null);
+        GridCache<Integer, Integer> c = grid(0).cache(null);
 
         checkValue(key, null);
 
@@ -219,7 +219,7 @@ public abstract class 
GridCacheOffHeapTieredAbstractSelfTest extends GridCacheAb
      * @throws Exception If failed.
      */
     private void checkPutGetRemoveByteArray(Integer key) throws Exception {
-        Cache<Integer, byte[]> c = grid(0).cache(null);
+        GridCache<Integer, byte[]> c = grid(0).cache(null);
 
         checkValue(key, null);
 
@@ -246,7 +246,7 @@ public abstract class 
GridCacheOffHeapTieredAbstractSelfTest extends GridCacheAb
      * @throws Exception If failed.
      */
     private void checkPutGetRemoveTx(Integer key, IgniteTxConcurrency 
txConcurrency) throws Exception {
-        Cache<Integer, Integer> c = grid(0).cache(null);
+        GridCache<Integer, Integer> c = grid(0).cache(null);
 
         IgniteTx tx = c.txStart(txConcurrency, REPEATABLE_READ);
 
@@ -271,7 +271,7 @@ public abstract class 
GridCacheOffHeapTieredAbstractSelfTest extends GridCacheAb
      * @throws Exception If failed.
      */
     private void checkPutGetRemoveTxByteArray(Integer key, IgniteTxConcurrency 
txConcurrency) throws Exception {
-        Cache<Integer, byte[]> c = grid(0).cache(null);
+        GridCache<Integer, byte[]> c = grid(0).cache(null);
 
         IgniteTx tx = c.txStart(txConcurrency, REPEATABLE_READ);
 
@@ -296,7 +296,7 @@ public abstract class 
GridCacheOffHeapTieredAbstractSelfTest extends GridCacheAb
      * @throws Exception If failed.
      */
     public void testPromote() throws Exception {
-        Cache<Integer, TestValue> c = grid(0).cache(null);
+        GridCache<Integer, TestValue> c = grid(0).cache(null);
 
         TestValue val = new TestValue(new byte[100 * 1024]);
 
@@ -390,7 +390,7 @@ public abstract class 
GridCacheOffHeapTieredAbstractSelfTest extends GridCacheAb
         for (int i = 0; i < 100; i++)
             map.put(i, i);
 
-        Cache<Integer, Integer> c = grid(0).cache(null);
+        GridCache<Integer, Integer> c = grid(0).cache(null);
 
         Map<Integer, Integer> map0 = c.getAll(map.keySet());
 
@@ -427,7 +427,7 @@ public abstract class 
GridCacheOffHeapTieredAbstractSelfTest extends GridCacheAb
      * @throws Exception If failed.
      */
     public void testPutGetRemoveObject() throws Exception {
-        Cache<Integer, Integer> c = grid(0).cache(null);
+        GridCache<Integer, Integer> c = grid(0).cache(null);
 
         checkPutGetRemoveObject(primaryKey(c));
 
@@ -441,7 +441,7 @@ public abstract class 
GridCacheOffHeapTieredAbstractSelfTest extends GridCacheAb
      * @throws Exception If failed.
      */
     private void checkPutGetRemoveObject(Integer key) throws Exception {
-        Cache<Integer, TestValue> c = grid(0).cache(null);
+        GridCache<Integer, TestValue> c = grid(0).cache(null);
 
         checkValue(key, null);
 
@@ -480,7 +480,7 @@ public abstract class 
GridCacheOffHeapTieredAbstractSelfTest extends GridCacheAb
      * @throws Exception If failed.
      */
     private void checkPutGetRemoveObjectTx(Integer key, IgniteTxConcurrency 
txConcurrency) throws Exception {
-        Cache<Integer, TestValue> c = grid(0).cache(null);
+        GridCache<Integer, TestValue> c = grid(0).cache(null);
 
         TestValue val = new TestValue(new byte[10]);
 
@@ -508,7 +508,7 @@ public abstract class 
GridCacheOffHeapTieredAbstractSelfTest extends GridCacheAb
         if (atomicityMode() == ATOMIC)
             return;
 
-        Cache<Integer, TestValue> c = grid(0).cache(null);
+        GridCache<Integer, TestValue> c = grid(0).cache(null);
 
         checkLockUnlock(primaryKey(c));
 
@@ -565,7 +565,7 @@ public abstract class 
GridCacheOffHeapTieredAbstractSelfTest extends GridCacheAb
      * @throws Exception If failed.
      */
     public void testUnswap() throws Exception {
-        Cache<Integer, Integer> c = grid(0).cache(null);
+        GridCache<Integer, Integer> c = grid(0).cache(null);
 
         checkUnswap(primaryKey(c));
 
@@ -579,7 +579,7 @@ public abstract class 
GridCacheOffHeapTieredAbstractSelfTest extends GridCacheAb
      * @throws Exception If failed.
      */
     private void checkUnswap(Integer key) throws Exception {
-        Cache<Integer, Integer> c = grid(0).cache(null);
+        GridCache<Integer, Integer> c = grid(0).cache(null);
 
         for (int i = 0; i < gridCount(); i++) {
             assertEquals("Unexpected entries for grid: " + i, 0, 
grid(i).cache(null).offHeapEntriesCount());

http://git-wip-us.apache.org/repos/asf/incubator-ignite/blob/168d7d03/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCacheOffHeapTieredEvictionAbstractSelfTest.java
----------------------------------------------------------------------
diff --git 
a/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCacheOffHeapTieredEvictionAbstractSelfTest.java
 
b/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCacheOffHeapTieredEvictionAbstractSelfTest.java
index 0fc2c83..929c8e7 100644
--- 
a/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCacheOffHeapTieredEvictionAbstractSelfTest.java
+++ 
b/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCacheOffHeapTieredEvictionAbstractSelfTest.java
@@ -91,7 +91,7 @@ public abstract class 
GridCacheOffHeapTieredEvictionAbstractSelfTest extends Gri
     @Override protected void beforeTest() throws Exception {
         super.beforeTest();
 
-        final Cache<Integer, Object> cache = grid(0).cache(null);
+        final GridCache<Integer, Object> cache = grid(0).cache(null);
 
         vals = new ArrayList<>(VALS);
 
@@ -128,7 +128,7 @@ public abstract class 
GridCacheOffHeapTieredEvictionAbstractSelfTest extends Gri
      * @throws Exception If failed.
      */
     public void testPut() throws Exception {
-        final Cache<Integer, Object> cache = grid(0).cache(null);
+        final GridCache<Integer, Object> cache = grid(0).cache(null);
 
         GridTestUtils.runMultiThreaded(new Callable<Void>() {
             @Override public Void call() throws Exception {
@@ -153,7 +153,7 @@ public abstract class 
GridCacheOffHeapTieredEvictionAbstractSelfTest extends Gri
      * @throws Exception If failed.
      */
     public void testRemove() throws Exception {
-        final Cache<Integer, Object> cache = grid(0).cache(null);
+        final GridCache<Integer, Object> cache = grid(0).cache(null);
 
         GridTestUtils.runMultiThreaded(new Callable<Void>() {
             @Override public Void call() throws Exception {

http://git-wip-us.apache.org/repos/asf/incubator-ignite/blob/168d7d03/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCacheOffheapUpdateSelfTest.java
----------------------------------------------------------------------
diff --git 
a/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCacheOffheapUpdateSelfTest.java
 
b/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCacheOffheapUpdateSelfTest.java
index cfd4c70..dbe0b4b 100644
--- 
a/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCacheOffheapUpdateSelfTest.java
+++ 
b/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCacheOffheapUpdateSelfTest.java
@@ -57,14 +57,14 @@ public class GridCacheOffheapUpdateSelfTest extends 
GridCommonAbstractTest {
         try {
             Ignite ignite = startGrids(2);
 
-            Cache<Object, Object> rmtCache = ignite.cache(null);
+            GridCache<Object, Object> rmtCache = ignite.cache(null);
 
             int key = 0;
 
             while (!rmtCache.affinity().isPrimary(grid(1).localNode(), key))
                 key++;
 
-            Cache<Object, Object> locCache = grid(1).cache(null);
+            GridCache<Object, Object> locCache = grid(1).cache(null);
 
             try (IgniteTx tx = locCache.txStart(PESSIMISTIC, REPEATABLE_READ)) 
{
                 locCache.putxIfAbsent(key, 0);
@@ -100,7 +100,7 @@ public class GridCacheOffheapUpdateSelfTest extends 
GridCommonAbstractTest {
         try {
             Ignite grid = startGrid(0);
 
-            Cache<Object, Object> cache = grid.cache(null);
+            GridCache<Object, Object> cache = grid.cache(null);
 
             for (int i = 0; i < 30; i++)
                 cache.put(i, 0);

http://git-wip-us.apache.org/repos/asf/incubator-ignite/blob/168d7d03/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCacheOrderedPreloadingSelfTest.java
----------------------------------------------------------------------
diff --git 
a/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCacheOrderedPreloadingSelfTest.java
 
b/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCacheOrderedPreloadingSelfTest.java
index 78a3684..c2cab27 100644
--- 
a/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCacheOrderedPreloadingSelfTest.java
+++ 
b/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCacheOrderedPreloadingSelfTest.java
@@ -126,7 +126,7 @@ public class GridCacheOrderedPreloadingSelfTest extends 
GridCommonAbstractTest {
         Ignite g = startGrid(0);
 
         try {
-            Cache<Object, Object> cache = g.cache("first");
+            GridCache<Object, Object> cache = g.cache("first");
 
             // Put some data into cache.
             for (int i = 0; i < 1000; i++)

http://git-wip-us.apache.org/repos/asf/incubator-ignite/blob/168d7d03/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCacheP2PUndeploySelfTest.java
----------------------------------------------------------------------
diff --git 
a/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCacheP2PUndeploySelfTest.java
 
b/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCacheP2PUndeploySelfTest.java
index 74764a0..a819ab8 100644
--- 
a/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCacheP2PUndeploySelfTest.java
+++ 
b/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCacheP2PUndeploySelfTest.java
@@ -206,8 +206,8 @@ public class GridCacheP2PUndeploySelfTest extends 
GridCommonAbstractTest {
             Ignite ignite1 = startGrid(1);
             GridKernal grid2 = (GridKernal)startGrid(2);
 
-            Cache<Integer, Object> cache1 = ignite1.cache(cacheName);
-            Cache<Integer, Object> cache2 = grid2.cache(cacheName);
+            GridCache<Integer, Object> cache1 = ignite1.cache(cacheName);
+            GridCache<Integer, Object> cache2 = grid2.cache(cacheName);
 
             Object v1 = valCls.newInstance();
 

http://git-wip-us.apache.org/repos/asf/incubator-ignite/blob/168d7d03/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCachePartitionedGetSelfTest.java
----------------------------------------------------------------------
diff --git 
a/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCachePartitionedGetSelfTest.java
 
b/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCachePartitionedGetSelfTest.java
index 31864c3..f25218a 100644
--- 
a/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCachePartitionedGetSelfTest.java
+++ 
b/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCachePartitionedGetSelfTest.java
@@ -117,7 +117,7 @@ public class GridCachePartitionedGetSelfTest extends 
GridCommonAbstractTest {
      */
     public void testGetFromPrimaryNode() throws Exception {
         for (int i = 0; i < GRID_CNT; i++) {
-            Cache<String, Integer> c = grid(i).cache(null);
+            GridCache<String, Integer> c = grid(i).cache(null);
 
             CacheEntry<String, Integer> e = c.entry(KEY);
 
@@ -138,7 +138,7 @@ public class GridCachePartitionedGetSelfTest extends 
GridCommonAbstractTest {
      */
     public void testGetFromBackupNode() throws Exception {
         for (int i = 0; i < GRID_CNT; i++) {
-            Cache<String, Integer> c = grid(i).cache(null);
+            GridCache<String, Integer> c = grid(i).cache(null);
 
             CacheEntry<String, Integer> e = c.entry(KEY);
 
@@ -171,7 +171,7 @@ public class GridCachePartitionedGetSelfTest extends 
GridCommonAbstractTest {
      */
     public void testGetFromNearNode() throws Exception {
         for (int i = 0; i < GRID_CNT; i++) {
-            Cache<String, Integer> c = grid(i).cache(null);
+            GridCache<String, Integer> c = grid(i).cache(null);
 
             CacheEntry<String, Integer> e = c.entry(KEY);
 

http://git-wip-us.apache.org/repos/asf/incubator-ignite/blob/168d7d03/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCachePartitionedWritesTest.java
----------------------------------------------------------------------
diff --git 
a/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCachePartitionedWritesTest.java
 
b/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCachePartitionedWritesTest.java
index 027d044..759843f 100644
--- 
a/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCachePartitionedWritesTest.java
+++ 
b/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCachePartitionedWritesTest.java
@@ -18,7 +18,7 @@
 package org.apache.ignite.internal.processors.cache;
 
 import org.apache.ignite.cache.*;
-import org.apache.ignite.cache.Cache;
+import org.apache.ignite.cache.GridCache;
 import org.apache.ignite.cache.store.*;
 import org.apache.ignite.configuration.*;
 import org.apache.ignite.transactions.*;
@@ -102,7 +102,7 @@ public class GridCachePartitionedWritesTest extends 
GridCommonAbstractTest {
 
         startGrid();
 
-        Cache<Integer, String> cache = cache();
+        GridCache<Integer, String> cache = cache();
 
         try {
             cache.get(1);

http://git-wip-us.apache.org/repos/asf/incubator-ignite/blob/168d7d03/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCachePreloadingEvictionsSelfTest.java
----------------------------------------------------------------------
diff --git 
a/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCachePreloadingEvictionsSelfTest.java
 
b/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCachePreloadingEvictionsSelfTest.java
index 62f12a7..cf164d4 100644
--- 
a/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCachePreloadingEvictionsSelfTest.java
+++ 
b/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCachePreloadingEvictionsSelfTest.java
@@ -100,7 +100,7 @@ public class GridCachePreloadingEvictionsSelfTest extends 
GridCommonAbstractTest
         try {
             final Ignite ignite1 = startGrid(1);
 
-            Cache<Integer, Object> cache1 = ignite1.cache(null);
+            GridCache<Integer, Object> cache1 = ignite1.cache(null);
 
             for (int i = 0; i < 5000; i++)
                 cache1.put(i, VALUE + i);

http://git-wip-us.apache.org/repos/asf/incubator-ignite/blob/168d7d03/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCachePutAllFailoverSelfTest.java
----------------------------------------------------------------------
diff --git 
a/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCachePutAllFailoverSelfTest.java
 
b/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCachePutAllFailoverSelfTest.java
index e2352ae..bea2421 100644
--- 
a/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCachePutAllFailoverSelfTest.java
+++ 
b/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCachePutAllFailoverSelfTest.java
@@ -564,7 +564,7 @@ public class GridCachePutAllFailoverSelfTest extends 
GridCommonAbstractTest {
 
         Collection<Integer> ret = new ArrayList<>(keys.size());
 
-        Cache<Object, Object> cache = workerNode.cache(CACHE_NAME);
+        GridCache<Object, Object> cache = workerNode.cache(CACHE_NAME);
 
         for (Integer key : keys) {
             if (cache.get(key) == null) // Key is absent.

http://git-wip-us.apache.org/repos/asf/incubator-ignite/blob/168d7d03/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCacheQueryIndexSelfTest.java
----------------------------------------------------------------------
diff --git 
a/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCacheQueryIndexSelfTest.java
 
b/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCacheQueryIndexSelfTest.java
index b44cd9a..dcd2acf 100644
--- 
a/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCacheQueryIndexSelfTest.java
+++ 
b/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCacheQueryIndexSelfTest.java
@@ -49,7 +49,7 @@ public class GridCacheQueryIndexSelfTest extends 
GridCacheAbstractSelfTest {
      * @throws Exception If failed.
      */
     public void testWithoutStoreLoad() throws Exception {
-        Cache<Integer, CacheValue> cache = grid(0).cache(null);
+        GridCache<Integer, CacheValue> cache = grid(0).cache(null);
 
         for (int i = 0; i < ENTRY_CNT; i++)
             cache.put(i, new CacheValue(i));
@@ -65,7 +65,7 @@ public class GridCacheQueryIndexSelfTest extends 
GridCacheAbstractSelfTest {
         for (int i = 0; i < ENTRY_CNT; i++)
             putToStore(i, new CacheValue(i));
 
-        Cache<Integer, CacheValue> cache0 = grid(0).cache(null);
+        GridCache<Integer, CacheValue> cache0 = grid(0).cache(null);
 
         cache0.loadCache(null, 0);
 

http://git-wip-us.apache.org/repos/asf/incubator-ignite/blob/168d7d03/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCacheQueryInternalKeysSelfTest.java
----------------------------------------------------------------------
diff --git 
a/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCacheQueryInternalKeysSelfTest.java
 
b/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCacheQueryInternalKeysSelfTest.java
index aaf73fa..10e60c2 100644
--- 
a/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCacheQueryInternalKeysSelfTest.java
+++ 
b/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCacheQueryInternalKeysSelfTest.java
@@ -67,7 +67,7 @@ public class GridCacheQueryInternalKeysSelfTest extends 
GridCacheAbstractSelfTes
     @SuppressWarnings("unchecked")
     public void testInternalKeysPreloading() throws Exception {
         try {
-            Cache<Object, Object> cache = grid(0).cache(null);
+            GridCache<Object, Object> cache = grid(0).cache(null);
 
             for (int i = 0; i < ENTRY_CNT; i++)
                 cache.dataStructures().queue("queue" + i, Integer.MAX_VALUE, 
false, true);

http://git-wip-us.apache.org/repos/asf/incubator-ignite/blob/168d7d03/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCacheReferenceCleanupSelfTest.java
----------------------------------------------------------------------
diff --git 
a/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCacheReferenceCleanupSelfTest.java
 
b/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCacheReferenceCleanupSelfTest.java
index 02eeeec..97b2ba3 100644
--- 
a/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCacheReferenceCleanupSelfTest.java
+++ 
b/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCacheReferenceCleanupSelfTest.java
@@ -312,7 +312,7 @@ public class GridCacheReferenceCleanupSelfTest extends 
GridCommonAbstractTest {
                 Ignite g = startGrid();
 
                 try {
-                    Cache<Integer, TestValue> cache = g.cache(null);
+                    GridCache<Integer, TestValue> cache = g.cache(null);
 
                     refs.add(new WeakReference<Object>(cacheContext(cache)));
 
@@ -353,7 +353,7 @@ public class GridCacheReferenceCleanupSelfTest extends 
GridCommonAbstractTest {
                 Ignite g = startGrid();
 
                 try {
-                    Cache<Integer, TestValue> cache = g.cache(null);
+                    GridCache<Integer, TestValue> cache = g.cache(null);
 
                     refs.add(new WeakReference<Object>(cacheContext(cache)));
 
@@ -386,7 +386,7 @@ public class GridCacheReferenceCleanupSelfTest extends 
GridCommonAbstractTest {
                 Ignite g = startGrid();
 
                 try {
-                    Cache<Integer, TestValue> cache = g.cache(null);
+                    GridCache<Integer, TestValue> cache = g.cache(null);
 
                     refs.add(new WeakReference<Object>(cacheContext(cache)));
 
@@ -426,7 +426,7 @@ public class GridCacheReferenceCleanupSelfTest extends 
GridCommonAbstractTest {
                 Ignite g = startGrid();
 
                 try {
-                    Cache<Integer, TestValue> cache = g.cache(null);
+                    GridCache<Integer, TestValue> cache = g.cache(null);
 
                     refs.add(new WeakReference<Object>(cacheContext(cache)));
 
@@ -463,7 +463,7 @@ public class GridCacheReferenceCleanupSelfTest extends 
GridCommonAbstractTest {
                 Ignite g = startGrid();
 
                 try {
-                    Cache<Integer, TestValue> cache = g.cache(null);
+                    GridCache<Integer, TestValue> cache = g.cache(null);
 
                     refs.add(new WeakReference<Object>(cacheContext(cache)));
 

http://git-wip-us.apache.org/repos/asf/incubator-ignite/blob/168d7d03/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCacheReloadSelfTest.java
----------------------------------------------------------------------
diff --git 
a/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCacheReloadSelfTest.java
 
b/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCacheReloadSelfTest.java
index 1f27160..b93d9a3 100644
--- 
a/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCacheReloadSelfTest.java
+++ 
b/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCacheReloadSelfTest.java
@@ -19,7 +19,7 @@ package org.apache.ignite.internal.processors.cache;
 
 import org.apache.ignite.*;
 import org.apache.ignite.cache.*;
-import org.apache.ignite.cache.Cache;
+import org.apache.ignite.cache.GridCache;
 import org.apache.ignite.cache.eviction.lru.*;
 import org.apache.ignite.cache.store.*;
 import org.apache.ignite.configuration.*;
@@ -164,7 +164,7 @@ public class GridCacheReloadSelfTest extends 
GridCommonAbstractTest {
         Ignite ignite = startGrid();
 
         try {
-            Cache<Integer, Integer> cache = ignite.cache(CACHE_NAME);
+            GridCache<Integer, Integer> cache = ignite.cache(CACHE_NAME);
 
             for (int i = 0; i < N_ENTRIES; i++)
                 cache.reload(i);

http://git-wip-us.apache.org/repos/asf/incubator-ignite/blob/168d7d03/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCacheReplicatedSynchronousCommitTest.java
----------------------------------------------------------------------
diff --git 
a/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCacheReplicatedSynchronousCommitTest.java
 
b/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCacheReplicatedSynchronousCommitTest.java
index 4750948..77ab9a1 100644
--- 
a/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCacheReplicatedSynchronousCommitTest.java
+++ 
b/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCacheReplicatedSynchronousCommitTest.java
@@ -104,7 +104,7 @@ public class GridCacheReplicatedSynchronousCommitTest 
extends GridCommonAbstract
         try {
             Ignite firstIgnite = startGrid("1");
 
-            Cache<Integer, String> firstCache = firstIgnite.cache(null);
+            GridCache<Integer, String> firstCache = firstIgnite.cache(null);
 
             for (int i = 0; i < ADDITION_CACHE_NUMBER; i++)
                 startGrid(String.valueOf(i + 2));
@@ -134,8 +134,8 @@ public class GridCacheReplicatedSynchronousCommitTest 
extends GridCommonAbstract
 
             Ignite ignite3 = startGrid("3");
 
-            Cache<Integer, String> cache1 = ignite1.cache(null);
-            Cache<Integer, String> cache3 = ignite3.cache(null);
+            GridCache<Integer, String> cache1 = ignite1.cache(null);
+            GridCache<Integer, String> cache3 = ignite3.cache(null);
 
             IgniteFuture<?> fut = multithreadedAsync(
                 new Callable<Object>() {

http://git-wip-us.apache.org/repos/asf/incubator-ignite/blob/168d7d03/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCacheSlowTxWarnTest.java
----------------------------------------------------------------------
diff --git 
a/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCacheSlowTxWarnTest.java
 
b/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCacheSlowTxWarnTest.java
index 66fa493..140063a 100644
--- 
a/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCacheSlowTxWarnTest.java
+++ 
b/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCacheSlowTxWarnTest.java
@@ -114,7 +114,7 @@ public class GridCacheSlowTxWarnTest extends 
GridCommonAbstractTest {
             cache.context().tm().slowTxWarnTimeout(500);
         }
 
-        Cache<Object, Object> cache1 = g.cache(cacheName);
+        GridCache<Object, Object> cache1 = g.cache(cacheName);
 
         IgniteTx tx = cache1.txStart();
 

http://git-wip-us.apache.org/repos/asf/incubator-ignite/blob/168d7d03/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCacheStopSelfTest.java
----------------------------------------------------------------------
diff --git 
a/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCacheStopSelfTest.java
 
b/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCacheStopSelfTest.java
index 51fc5a4..b051b80 100644
--- 
a/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCacheStopSelfTest.java
+++ 
b/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCacheStopSelfTest.java
@@ -131,7 +131,7 @@ public class GridCacheStopSelfTest extends 
GridCommonAbstractTest {
 
             final CountDownLatch readyLatch = new CountDownLatch(PUT_THREADS);
 
-            final Cache<Integer, Integer> cache = grid(0).cache(null);
+            final GridCache<Integer, Integer> cache = grid(0).cache(null);
 
             assertNotNull(cache);
 

http://git-wip-us.apache.org/repos/asf/incubator-ignite/blob/168d7d03/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCacheStorePutxSelfTest.java
----------------------------------------------------------------------
diff --git 
a/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCacheStorePutxSelfTest.java
 
b/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCacheStorePutxSelfTest.java
index 4c024c6..641313e 100644
--- 
a/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCacheStorePutxSelfTest.java
+++ 
b/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCacheStorePutxSelfTest.java
@@ -18,7 +18,7 @@
 package org.apache.ignite.internal.processors.cache;
 
 import org.apache.ignite.cache.*;
-import org.apache.ignite.cache.Cache;
+import org.apache.ignite.cache.GridCache;
 import org.apache.ignite.cache.store.*;
 import org.apache.ignite.configuration.*;
 import org.apache.ignite.lang.*;
@@ -100,7 +100,7 @@ public class GridCacheStorePutxSelfTest extends 
GridCommonAbstractTest {
      * @throws Exception If failed.
      */
     public void testPutxShouldNotTriggerLoadWithTx() throws Exception {
-        Cache<Integer, Integer> cache = cache();
+        GridCache<Integer, Integer> cache = cache();
 
         try (IgniteTx tx = cache.txStart()) {
             assertTrue(cache.putx(1, 1));

http://git-wip-us.apache.org/repos/asf/incubator-ignite/blob/168d7d03/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCacheStoreValueBytesSelfTest.java
----------------------------------------------------------------------
diff --git 
a/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCacheStoreValueBytesSelfTest.java
 
b/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCacheStoreValueBytesSelfTest.java
index 311f394..1fcda7e 100644
--- 
a/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCacheStoreValueBytesSelfTest.java
+++ 
b/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCacheStoreValueBytesSelfTest.java
@@ -78,7 +78,7 @@ public class GridCacheStoreValueBytesSelfTest extends 
GridCommonAbstractTest {
         Ignite g0 = startGrid(0);
         Ignite g1 = startGrid(1);
 
-        Cache<Integer, String> c = g0.cache(null);
+        GridCache<Integer, String> c = g0.cache(null);
 
         c.put(1, "Cached value");
 
@@ -99,7 +99,7 @@ public class GridCacheStoreValueBytesSelfTest extends 
GridCommonAbstractTest {
         Ignite g0 = startGrid(0);
         Ignite g1 = startGrid(1);
 
-        Cache<Integer, String> c = g0.cache(null);
+        GridCache<Integer, String> c = g0.cache(null);
 
         c.put(1, "Cached value");
 

http://git-wip-us.apache.org/repos/asf/incubator-ignite/blob/168d7d03/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCacheSwapPreloadSelfTest.java
----------------------------------------------------------------------
diff --git 
a/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCacheSwapPreloadSelfTest.java
 
b/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCacheSwapPreloadSelfTest.java
index 14247b7..d6a77c7 100644
--- 
a/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCacheSwapPreloadSelfTest.java
+++ 
b/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCacheSwapPreloadSelfTest.java
@@ -96,7 +96,7 @@ public class GridCacheSwapPreloadSelfTest extends 
GridCommonAbstractTest {
         try {
             startGrid(0);
 
-            Cache<Integer, Integer> cache = grid(0).cache(null);
+            GridCache<Integer, Integer> cache = grid(0).cache(null);
 
             // Populate.
             for (int i = 0; i < ENTRY_CNT; i++)
@@ -154,7 +154,7 @@ public class GridCacheSwapPreloadSelfTest extends 
GridCommonAbstractTest {
         try {
             startGrid(0);
 
-            final Cache<Integer, Integer> cache = grid(0).cache(null);
+            final GridCache<Integer, Integer> cache = grid(0).cache(null);
 
             assertNotNull(cache);
 

http://git-wip-us.apache.org/repos/asf/incubator-ignite/blob/168d7d03/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCacheSwapReloadSelfTest.java
----------------------------------------------------------------------
diff --git 
a/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCacheSwapReloadSelfTest.java
 
b/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCacheSwapReloadSelfTest.java
index 902b45e..b983c07 100644
--- 
a/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCacheSwapReloadSelfTest.java
+++ 
b/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCacheSwapReloadSelfTest.java
@@ -32,6 +32,7 @@ import org.apache.ignite.internal.util.typedef.*;
 import org.apache.ignite.internal.util.typedef.internal.*;
 import org.apache.ignite.testframework.junits.common.*;
 
+import javax.cache.*;
 import javax.cache.configuration.*;
 import java.util.*;
 import java.util.concurrent.*;

http://git-wip-us.apache.org/repos/asf/incubator-ignite/blob/168d7d03/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCacheTransactionalAbstractMetricsSelfTest.java
----------------------------------------------------------------------
diff --git 
a/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCacheTransactionalAbstractMetricsSelfTest.java
 
b/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCacheTransactionalAbstractMetricsSelfTest.java
index 1d6d3b5..013500f 100644
--- 
a/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCacheTransactionalAbstractMetricsSelfTest.java
+++ 
b/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCacheTransactionalAbstractMetricsSelfTest.java
@@ -206,7 +206,7 @@ public abstract class 
GridCacheTransactionalAbstractMetricsSelfTest extends Grid
      */
     private void testCommits(IgniteTxConcurrency concurrency, 
IgniteTxIsolation isolation, boolean put)
         throws Exception {
-        Cache<Integer, Integer> cache = grid(0).cache(null);
+        GridCache<Integer, Integer> cache = grid(0).cache(null);
 
         for (int i = 0; i < TX_CNT; i++) {
             IgniteTx tx = cache.txStart(concurrency, isolation);
@@ -246,7 +246,7 @@ public abstract class 
GridCacheTransactionalAbstractMetricsSelfTest extends Grid
      */
     private void testRollbacks(IgniteTxConcurrency concurrency, 
IgniteTxIsolation isolation,
         boolean put) throws Exception {
-        Cache<Integer, Integer> cache = grid(0).cache(null);
+        GridCache<Integer, Integer> cache = grid(0).cache(null);
 
         for (int i = 0; i < TX_CNT; i++) {
             IgniteTx tx = cache.txStart(concurrency, isolation);

http://git-wip-us.apache.org/repos/asf/incubator-ignite/blob/168d7d03/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCacheValueConsistencyAbstractSelfTest.java
----------------------------------------------------------------------
diff --git 
a/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCacheValueConsistencyAbstractSelfTest.java
 
b/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCacheValueConsistencyAbstractSelfTest.java
index a97a7a5..dabbef2 100644
--- 
a/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCacheValueConsistencyAbstractSelfTest.java
+++ 
b/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCacheValueConsistencyAbstractSelfTest.java
@@ -109,7 +109,7 @@ public abstract class 
GridCacheValueConsistencyAbstractSelfTest extends GridCach
     public void testPutRemove() throws Exception {
         awaitPartitionMapExchange();
 
-        Cache<String, Integer> cache = cache();
+        GridCache<String, Integer> cache = cache();
 
         int keyCnt = 10;
 
@@ -117,7 +117,7 @@ public abstract class 
GridCacheValueConsistencyAbstractSelfTest extends GridCach
             cache.put("key" + i, i);
 
         for (int g = 0; g < gridCount(); g++) {
-            Cache<String, Integer> cache0 = cache(g);
+            GridCache<String, Integer> cache0 = cache(g);
             ClusterNode locNode = grid(g).localNode();
 
             for (int i = 0; i < keyCnt; i++) {
@@ -148,7 +148,7 @@ public abstract class 
GridCacheValueConsistencyAbstractSelfTest extends GridCach
             assertEquals((Integer)i, cache.remove("key" + i));
 
         for (int g = 0; g < gridCount(); g++) {
-            Cache<String, Integer> cache0 = cache(g);
+            GridCache<String, Integer> cache0 = cache(g);
 
             for (int i = 0; i < keyCnt; i++) {
                 String key = "key" + i;
@@ -166,7 +166,7 @@ public abstract class 
GridCacheValueConsistencyAbstractSelfTest extends GridCach
     public void testPutRemoveAll() throws Exception {
         awaitPartitionMapExchange();
 
-        Cache<String, Integer> cache = cache();
+        GridCache<String, Integer> cache = cache();
 
         int keyCnt = 10;
 
@@ -177,7 +177,7 @@ public abstract class 
GridCacheValueConsistencyAbstractSelfTest extends GridCach
         }
 
         for (int g = 0; g < gridCount(); g++) {
-            Cache<String, Integer> cache0 = cache(g);
+            GridCache<String, Integer> cache0 = cache(g);
             ClusterNode locNode = grid(g).localNode();
 
             for (int i = 0; i < keyCnt; i++) {
@@ -211,7 +211,7 @@ public abstract class 
GridCacheValueConsistencyAbstractSelfTest extends GridCach
         info(">>>> Starting values check");
 
         for (int g = 0; g < gridCount(); g++) {
-            Cache<String, Integer> cache0 = cache(g);
+            GridCache<String, Integer> cache0 = cache(g);
 
             for (int i = 0; i < keyCnt; i++) {
                 String key = "key" + i;
@@ -246,7 +246,7 @@ public abstract class 
GridCacheValueConsistencyAbstractSelfTest extends GridCach
 
                     Ignite ignite = grid(g);
 
-                    Cache<Object, Object> cache = ignite.cache(null);
+                    GridCache<Object, Object> cache = ignite.cache(null);
 
                     int k = rnd.nextInt(range);
 
@@ -299,7 +299,7 @@ public abstract class 
GridCacheValueConsistencyAbstractSelfTest extends GridCach
      * @param g Grid to check.
      */
     private void checkKeySet(Ignite g) {
-        Cache<Object, Object> cache = g.cache(null);
+        GridCache<Object, Object> cache = g.cache(null);
 
         Set<Object> keys = cache.keySet();
 

http://git-wip-us.apache.org/repos/asf/incubator-ignite/blob/168d7d03/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCacheVariableTopologySelfTest.java
----------------------------------------------------------------------
diff --git 
a/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCacheVariableTopologySelfTest.java
 
b/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCacheVariableTopologySelfTest.java
index 69b93f7..457c7b4 100644
--- 
a/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCacheVariableTopologySelfTest.java
+++ 
b/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCacheVariableTopologySelfTest.java
@@ -123,7 +123,7 @@ public class GridCacheVariableTopologySelfTest extends 
GridCommonAbstractTest {
             @SuppressWarnings({"BusyWait"})
             @Override public void applyx() throws IgniteCheckedException {
                 while (cnt++ < txCnt && !done.get()) {
-                    Cache<Object, Object> cache = grid(0).cache(null);
+                    GridCache<Object, Object> cache = grid(0).cache(null);
 
                     if (cnt % logMod == 0)
                         info("Starting transaction: " + cnt);

http://git-wip-us.apache.org/repos/asf/incubator-ignite/blob/168d7d03/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCacheWriteBehindStoreAbstractTest.java
----------------------------------------------------------------------
diff --git 
a/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCacheWriteBehindStoreAbstractTest.java
 
b/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCacheWriteBehindStoreAbstractTest.java
index 23def1a..432c34d 100644
--- 
a/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCacheWriteBehindStoreAbstractTest.java
+++ 
b/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCacheWriteBehindStoreAbstractTest.java
@@ -62,7 +62,7 @@ public abstract class GridCacheWriteBehindStoreAbstractTest 
extends GridCommonAb
 
     /** {@inheritDoc} */
     @Override protected void afterTest() throws Exception {
-        Cache<?, ?> cache = cache();
+        GridCache<?, ?> cache = cache();
 
         if (cache != null)
             cache.clearAll();
@@ -107,7 +107,7 @@ public abstract class GridCacheWriteBehindStoreAbstractTest 
extends GridCommonAb
 
     /** @throws Exception If test fails. */
     public void testWriteThrough() throws Exception {
-        Cache<Integer, String> cache = cache();
+        GridCache<Integer, String> cache = cache();
 
         Map<Integer, String> map = store.getMap();
 
@@ -172,7 +172,7 @@ public abstract class GridCacheWriteBehindStoreAbstractTest 
extends GridCommonAb
 
     /** @throws Exception If test failed. */
     public void testReadThrough() throws Exception {
-        Cache<Integer, String> cache = cache();
+        GridCache<Integer, String> cache = cache();
 
         Map<Integer, String> map = store.getMap();
 
@@ -268,7 +268,7 @@ public abstract class GridCacheWriteBehindStoreAbstractTest 
extends GridCommonAb
 
         final AtomicBoolean running = new AtomicBoolean(true);
 
-        final Cache<Integer, String> cache = cache();
+        final GridCache<Integer, String> cache = cache();
 
         IgniteFuture<?> fut = multithreadedAsync(new Runnable() {
             @SuppressWarnings({"NullableProblems"})

http://git-wip-us.apache.org/repos/asf/incubator-ignite/blob/168d7d03/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCacheWriteBehindStorePartitionedMultiNodeSelfTest.java
----------------------------------------------------------------------
diff --git 
a/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCacheWriteBehindStorePartitionedMultiNodeSelfTest.java
 
b/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCacheWriteBehindStorePartitionedMultiNodeSelfTest.java
index f66331c..2d97c04 100644
--- 
a/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCacheWriteBehindStorePartitionedMultiNodeSelfTest.java
+++ 
b/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/GridCacheWriteBehindStorePartitionedMultiNodeSelfTest.java
@@ -138,7 +138,7 @@ public class 
GridCacheWriteBehindStorePartitionedMultiNodeSelfTest extends GridC
     private void checkSingleWrites() throws Exception {
         prepare();
 
-        Cache<Integer, String> cache = grid(0).cache(null);
+        GridCache<Integer, String> cache = grid(0).cache(null);
 
         for (int i = 0; i < 100; i++)
             cache.put(i, String.valueOf(i));
@@ -168,7 +168,7 @@ public class 
GridCacheWriteBehindStorePartitionedMultiNodeSelfTest extends GridC
     private void checkTxWrites() throws Exception {
         prepare();
 
-        Cache<Object, Object> cache = grid(0).cache(null);
+        GridCache<Object, Object> cache = grid(0).cache(null);
 
         try (IgniteTx tx = cache.txStart(PESSIMISTIC, REPEATABLE_READ)) {
             for (int i = 0; i < 100; i++)

http://git-wip-us.apache.org/repos/asf/incubator-ignite/blob/168d7d03/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/IgniteCacheAbstractTest.java
----------------------------------------------------------------------
diff --git 
a/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/IgniteCacheAbstractTest.java
 
b/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/IgniteCacheAbstractTest.java
index 019829d..b27cf5d 100644
--- 
a/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/IgniteCacheAbstractTest.java
+++ 
b/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/IgniteCacheAbstractTest.java
@@ -29,6 +29,7 @@ import org.apache.ignite.spi.discovery.tcp.ipfinder.vm.*;
 import org.apache.ignite.testframework.junits.common.*;
 import org.jdk8.backport.*;
 
+import javax.cache.*;
 import javax.cache.configuration.*;
 import javax.cache.integration.*;
 import java.util.*;

http://git-wip-us.apache.org/repos/asf/incubator-ignite/blob/168d7d03/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/IgniteCacheEntryListenerAbstractTest.java
----------------------------------------------------------------------
diff --git 
a/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/IgniteCacheEntryListenerAbstractTest.java
 
b/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/IgniteCacheEntryListenerAbstractTest.java
index fa307f4..29c7781 100644
--- 
a/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/IgniteCacheEntryListenerAbstractTest.java
+++ 
b/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/IgniteCacheEntryListenerAbstractTest.java
@@ -822,7 +822,7 @@ public abstract class IgniteCacheEntryListenerAbstractTest 
extends IgniteCacheAb
      * @throws Exception If failed.
      */
     protected Collection<Integer> keys() throws Exception {
-        Cache<Integer, Object> cache = cache(0);
+        GridCache<Integer, Object> cache = cache(0);
 
         ArrayList<Integer> keys = new ArrayList<>();
 

http://git-wip-us.apache.org/repos/asf/incubator-ignite/blob/168d7d03/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/IgniteCacheInvokeAbstractTest.java
----------------------------------------------------------------------
diff --git 
a/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/IgniteCacheInvokeAbstractTest.java
 
b/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/IgniteCacheInvokeAbstractTest.java
index 708dc82..6c4aa4a 100644
--- 
a/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/IgniteCacheInvokeAbstractTest.java
+++ 
b/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/IgniteCacheInvokeAbstractTest.java
@@ -487,7 +487,7 @@ public abstract class IgniteCacheInvokeAbstractTest extends 
IgniteCacheAbstractT
      * @throws Exception If failed.
      */
     protected Collection<Integer> keys() throws Exception {
-        Cache<Integer, Object> cache = cache(0);
+        GridCache<Integer, Object> cache = cache(0);
 
         ArrayList<Integer> keys = new ArrayList<>();
 

http://git-wip-us.apache.org/repos/asf/incubator-ignite/blob/168d7d03/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/IgniteTxAbstractTest.java
----------------------------------------------------------------------
diff --git 
a/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/IgniteTxAbstractTest.java
 
b/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/IgniteTxAbstractTest.java
index 4fe7e86..c4dca58 100644
--- 
a/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/IgniteTxAbstractTest.java
+++ 
b/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/IgniteTxAbstractTest.java
@@ -127,7 +127,7 @@ abstract class IgniteTxAbstractTest extends 
GridCommonAbstractTest {
      * @return Cache.
      */
     @SuppressWarnings("unchecked")
-    @Override protected Cache<Integer, String> cache(int i) {
+    @Override protected GridCache<Integer, String> cache(int i) {
         return grid(i).cache(null);
     }
 
@@ -173,7 +173,7 @@ abstract class IgniteTxAbstractTest extends 
GridCommonAbstractTest {
             debug("Checking commit on grid: " + 
ignite.cluster().localNode().id());
 
         for (int i = 0; i < iterations(); i++) {
-            Cache<Integer, String> cache = cache(gridIdx);
+            GridCache<Integer, String> cache = cache(gridIdx);
 
             IgniteTx tx = cache.txStart(concurrency, isolation, 0, 0);
 
@@ -310,7 +310,7 @@ abstract class IgniteTxAbstractTest extends 
GridCommonAbstractTest {
             debug("Checking commit on grid: " + 
ignite.cluster().localNode().id());
 
         for (int i = 0; i < iterations(); i++) {
-            Cache<Integer, String> cache = cache(gridIdx);
+            GridCache<Integer, String> cache = cache(gridIdx);
 
             IgniteTx tx = cache.txStart(concurrency, isolation, 0, 0);
 
@@ -413,7 +413,7 @@ abstract class IgniteTxAbstractTest extends 
GridCommonAbstractTest {
                     String v1 = null;
 
                     for (int j = 0; j < gridCount(); j++) {
-                        Cache<Integer, String> cache = cache(j);
+                        GridCache<Integer, String> cache = cache(j);
 
                         IgniteTx tx = cache.tx();
 

http://git-wip-us.apache.org/repos/asf/incubator-ignite/blob/168d7d03/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/IgniteTxExceptionAbstractSelfTest.java
----------------------------------------------------------------------
diff --git 
a/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/IgniteTxExceptionAbstractSelfTest.java
 
b/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/IgniteTxExceptionAbstractSelfTest.java
index 2c7ed2f..6aa8acb 100644
--- 
a/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/IgniteTxExceptionAbstractSelfTest.java
+++ 
b/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/IgniteTxExceptionAbstractSelfTest.java
@@ -18,7 +18,7 @@
 package org.apache.ignite.internal.processors.cache;
 
 import org.apache.ignite.cache.*;
-import org.apache.ignite.cache.Cache;
+import org.apache.ignite.cache.GridCache;
 import org.apache.ignite.cluster.*;
 import org.apache.ignite.configuration.*;
 import org.apache.ignite.internal.*;
@@ -283,7 +283,7 @@ public abstract class IgniteTxExceptionAbstractSelfTest 
extends GridCacheAbstrac
 
         info("Test transaction [concurrency=" + concurrency + ", isolation=" + 
isolation + ']');
 
-        Cache<Integer, Integer> cache = grid(0).cache(null);
+        GridCache<Integer, Integer> cache = grid(0).cache(null);
 
         if (putBefore) {
             idxSpi.forceFail(false);
@@ -538,7 +538,7 @@ public abstract class IgniteTxExceptionAbstractSelfTest 
extends GridCacheAbstrac
      * @return Key.
      */
     private Integer keyForNode(ClusterNode node, int type) {
-        Cache<Integer, Integer> cache = grid(0).cache(null);
+        GridCache<Integer, Integer> cache = grid(0).cache(null);
 
         if (cache.configuration().getCacheMode() == LOCAL)
             return ++lastKey;

http://git-wip-us.apache.org/repos/asf/incubator-ignite/blob/168d7d03/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/IgniteTxMultiNodeAbstractTest.java
----------------------------------------------------------------------
diff --git 
a/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/IgniteTxMultiNodeAbstractTest.java
 
b/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/IgniteTxMultiNodeAbstractTest.java
index 36ecc31..719b7fc 100644
--- 
a/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/IgniteTxMultiNodeAbstractTest.java
+++ 
b/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/IgniteTxMultiNodeAbstractTest.java
@@ -157,7 +157,7 @@ public abstract class IgniteTxMultiNodeAbstractTest extends 
GridCommonAbstractTe
      */
     @SuppressWarnings("unchecked")
     private void onItemNear(boolean putCntr, Ignite ignite, String itemKey, 
int retry) throws IgniteCheckedException {
-        Cache<String, Integer> cache = ignite.cache(null);
+        GridCache<String, Integer> cache = ignite.cache(null);
 
         UUID locId = ignite.cluster().localNode().id();
         UUID itemPrimaryId = primaryId(ignite, itemKey);
@@ -209,7 +209,7 @@ public abstract class IgniteTxMultiNodeAbstractTest extends 
GridCommonAbstractTe
      */
     @SuppressWarnings("unchecked")
     private void onItemPrimary(boolean putCntr, Ignite ignite, String itemKey, 
int retry) throws IgniteCheckedException {
-        Cache<String, Integer> cache = ignite.cache(null);
+        GridCache<String, Integer> cache = ignite.cache(null);
 
         UUID locId = ignite.cluster().localNode().id();
         UUID itemPrimaryId = primaryId(ignite, itemKey);
@@ -262,7 +262,7 @@ public abstract class IgniteTxMultiNodeAbstractTest extends 
GridCommonAbstractTe
      */
     @SuppressWarnings("unchecked")
     private void onRemoveItemQueried(boolean putCntr, Ignite ignite, int 
retry) throws IgniteCheckedException {
-        Cache<String, Integer> cache = ignite.cache(null);
+        GridCache<String, Integer> cache = ignite.cache(null);
 
         UUID locId = ignite.cluster().localNode().id();
         UUID cntrPrimaryId = primaryId(ignite, RMVD_CNTR_KEY);
@@ -352,7 +352,7 @@ public abstract class IgniteTxMultiNodeAbstractTest extends 
GridCommonAbstractTe
      */
     @SuppressWarnings("unchecked")
     private void onRemoveItemSimple(boolean putCntr, Ignite ignite, int retry) 
throws IgniteCheckedException {
-        Cache<String, Integer> cache = ignite.cache(null);
+        GridCache<String, Integer> cache = ignite.cache(null);
 
         UUID locId = ignite.cluster().localNode().id();
         UUID cntrPrimaryId = primaryId(ignite, RMVD_CNTR_KEY);
@@ -629,7 +629,7 @@ public abstract class IgniteTxMultiNodeAbstractTest extends 
GridCommonAbstractTe
         startGrids(GRID_CNT);
 
         try {
-            Cache<String, Integer> cache = grid(0).cache(null);
+            GridCache<String, Integer> cache = grid(0).cache(null);
 
             cache.put(RMVD_CNTR_KEY, 0);
 
@@ -670,7 +670,7 @@ public abstract class IgniteTxMultiNodeAbstractTest extends 
GridCommonAbstractTe
         startGrids(GRID_CNT);
 
         try {
-            Cache<String, Integer> cache = grid(0).cache(null);
+            GridCache<String, Integer> cache = grid(0).cache(null);
 
             cache.put(RMVD_CNTR_KEY, 0);
 
@@ -721,7 +721,7 @@ public abstract class IgniteTxMultiNodeAbstractTest extends 
GridCommonAbstractTe
         try {
             startGrids(GRID_CNT);
 
-            Cache<String, Integer> cache = grid(0).cache(null);
+            GridCache<String, Integer> cache = grid(0).cache(null);
 
             // Store counter.
             cache.put(RMVD_CNTR_KEY, 0);

http://git-wip-us.apache.org/repos/asf/incubator-ignite/blob/168d7d03/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/IgniteTxMultiThreadedAbstractTest.java
----------------------------------------------------------------------
diff --git 
a/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/IgniteTxMultiThreadedAbstractTest.java
 
b/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/IgniteTxMultiThreadedAbstractTest.java
index c723c9b..af541c7 100644
--- 
a/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/IgniteTxMultiThreadedAbstractTest.java
+++ 
b/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/IgniteTxMultiThreadedAbstractTest.java
@@ -208,7 +208,7 @@ public abstract class IgniteTxMultiThreadedAbstractTest 
extends IgniteTxAbstract
      */
     // TODO: GG-8063, enabled when fixed.
     public void _testOptimisticSerializableConsistency() throws Exception {
-        final Cache<Integer, Long> cache = grid(0).cache(null);
+        final GridCache<Integer, Long> cache = grid(0).cache(null);
 
         final int THREADS = 2;
 

http://git-wip-us.apache.org/repos/asf/incubator-ignite/blob/168d7d03/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/IgniteTxReentryAbstractSelfTest.java
----------------------------------------------------------------------
diff --git 
a/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/IgniteTxReentryAbstractSelfTest.java
 
b/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/IgniteTxReentryAbstractSelfTest.java
index a498cb9..5373ea0 100644
--- 
a/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/IgniteTxReentryAbstractSelfTest.java
+++ 
b/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/IgniteTxReentryAbstractSelfTest.java
@@ -96,7 +96,7 @@ public abstract class IgniteTxReentryAbstractSelfTest extends 
GridCommonAbstract
         startGrids(gridCount());
 
         try {
-            Cache<Object, Object> cache = grid(0).cache(null);
+            GridCache<Object, Object> cache = grid(0).cache(null);
 
             // Find test key.
             int key = testKey();

http://git-wip-us.apache.org/repos/asf/incubator-ignite/blob/168d7d03/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/IgniteTxStoreExceptionAbstractSelfTest.java
----------------------------------------------------------------------
diff --git 
a/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/IgniteTxStoreExceptionAbstractSelfTest.java
 
b/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/IgniteTxStoreExceptionAbstractSelfTest.java
index c532cb5..afe9afe 100644
--- 
a/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/IgniteTxStoreExceptionAbstractSelfTest.java
+++ 
b/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/IgniteTxStoreExceptionAbstractSelfTest.java
@@ -19,7 +19,7 @@ package org.apache.ignite.internal.processors.cache;
 
 import org.apache.ignite.*;
 import org.apache.ignite.cache.*;
-import org.apache.ignite.cache.Cache;
+import org.apache.ignite.cache.GridCache;
 import org.apache.ignite.cache.store.*;
 import org.apache.ignite.cluster.*;
 import org.apache.ignite.configuration.*;
@@ -286,7 +286,7 @@ public abstract class 
IgniteTxStoreExceptionAbstractSelfTest extends GridCacheAb
 
         info("Test transaction [concurrency=" + concurrency + ", isolation=" + 
isolation + ']');
 
-        Cache<Integer, Integer> cache = grid(0).cache(null);
+        GridCache<Integer, Integer> cache = grid(0).cache(null);
 
         if (putBefore) {
             store.forceFail(false);
@@ -547,7 +547,7 @@ public abstract class 
IgniteTxStoreExceptionAbstractSelfTest extends GridCacheAb
      * @return Key.
      */
     private Integer keyForNode(ClusterNode node, int type) {
-        Cache<Integer, Integer> cache = grid(0).cache(null);
+        GridCache<Integer, Integer> cache = grid(0).cache(null);
 
         if (cache.configuration().getCacheMode() == LOCAL)
             return ++lastKey;

http://git-wip-us.apache.org/repos/asf/incubator-ignite/blob/168d7d03/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/datastructures/GridCacheAtomicLongApiSelfTest.java
----------------------------------------------------------------------
diff --git 
a/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/datastructures/GridCacheAtomicLongApiSelfTest.java
 
b/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/datastructures/GridCacheAtomicLongApiSelfTest.java
index 3cf6f32..f06f209 100644
--- 
a/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/datastructures/GridCacheAtomicLongApiSelfTest.java
+++ 
b/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/datastructures/GridCacheAtomicLongApiSelfTest.java
@@ -125,7 +125,7 @@ public class GridCacheAtomicLongApiSelfTest extends 
GridCommonAbstractTest {
     private void createRemove(String cacheName) throws Exception {
         info("Running test [name=" + getName() + ", cache=" + cacheName + ']');
 
-        Cache cache = grid().cache(cacheName);
+        GridCache cache = grid().cache(cacheName);
 
         assertNotNull(cache);
         assertEquals(0, cache.primarySize());
@@ -183,7 +183,7 @@ public class GridCacheAtomicLongApiSelfTest extends 
GridCommonAbstractTest {
     private void incrementAndGet(String cacheName) throws Exception {
         info("Running test [name=" + getName() + ", cache=" + cacheName + ']');
 
-        Cache cache = grid().cache(cacheName);
+        GridCache cache = grid().cache(cacheName);
 
         assertNotNull(cache);
         assertEquals(0, cache.primarySize());
@@ -216,7 +216,7 @@ public class GridCacheAtomicLongApiSelfTest extends 
GridCommonAbstractTest {
     private void getAndIncrement(String cacheName) throws Exception {
         info("Running test [name=" + getName() + ", cache=" + cacheName + ']');
 
-        Cache cache = grid().cache(cacheName);
+        GridCache cache = grid().cache(cacheName);
 
         assertNotNull(cache);
         assertEquals(0, cache.primarySize());
@@ -249,7 +249,7 @@ public class GridCacheAtomicLongApiSelfTest extends 
GridCommonAbstractTest {
     private void decrementAndGet(String cacheName) throws Exception {
         info("Running test [name=" + getName() + ", cache=" + cacheName + ']');
 
-        Cache cache = grid().cache(cacheName);
+        GridCache cache = grid().cache(cacheName);
 
         assertNotNull(cache);
         assertEquals(0, cache.primarySize());
@@ -282,7 +282,7 @@ public class GridCacheAtomicLongApiSelfTest extends 
GridCommonAbstractTest {
     private void getAndDecrement(String cacheName) throws Exception {
         info("Running test [name=" + getName() + ", cache=" + cacheName + ']');
 
-        Cache cache = grid().cache(cacheName);
+        GridCache cache = grid().cache(cacheName);
 
         assertNotNull(cache);
         assertEquals(0, cache.primarySize());
@@ -315,7 +315,7 @@ public class GridCacheAtomicLongApiSelfTest extends 
GridCommonAbstractTest {
     private void getAndAdd(String cacheName) throws Exception {
         info("Running test [name=" + getName() + ", cache=" + cacheName + ']');
 
-        Cache cache = grid().cache(cacheName);
+        GridCache cache = grid().cache(cacheName);
 
         assertNotNull(cache);
         assertEquals(0, cache.primarySize());
@@ -350,7 +350,7 @@ public class GridCacheAtomicLongApiSelfTest extends 
GridCommonAbstractTest {
     private void addAndGet(String cacheName) throws Exception {
         info("Running test [name=" + getName() + ", cache=" + cacheName + ']');
 
-        Cache cache = grid().cache(cacheName);
+        GridCache cache = grid().cache(cacheName);
 
         assertNotNull(cache);
         assertEquals(0, cache.primarySize());
@@ -385,7 +385,7 @@ public class GridCacheAtomicLongApiSelfTest extends 
GridCommonAbstractTest {
     private void getAndSet(String cacheName) throws Exception {
         info("Running test [name=" + getName() + ", cache=" + cacheName + ']');
 
-        Cache cache = grid().cache(cacheName);
+        GridCache cache = grid().cache(cacheName);
 
         assertNotNull(cache);
         assertEquals(0, cache.primarySize());
@@ -421,7 +421,7 @@ public class GridCacheAtomicLongApiSelfTest extends 
GridCommonAbstractTest {
     private void compareAndSet(String cacheName) throws Exception {
         info("Running test [name=" + getName() + ", cache=" + cacheName + ']');
 
-        Cache cache = grid().cache(cacheName);
+        GridCache cache = grid().cache(cacheName);
 
         assertNotNull(cache);
         assertEquals(0, cache.primarySize());
@@ -463,7 +463,7 @@ public class GridCacheAtomicLongApiSelfTest extends 
GridCommonAbstractTest {
     private void getAndSetInTx(String cacheName) throws Exception {
         info("Running test [name=" + getName() + ", cache=" + cacheName + ']');
 
-        Cache cache = grid().cache(cacheName);
+        GridCache cache = grid().cache(cacheName);
 
         assertNotNull(cache);
         assertEquals(0, cache.primarySize());

http://git-wip-us.apache.org/repos/asf/incubator-ignite/blob/168d7d03/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/datastructures/GridCacheAtomicReferenceApiSelfAbstractTest.java
----------------------------------------------------------------------
diff --git 
a/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/datastructures/GridCacheAtomicReferenceApiSelfAbstractTest.java
 
b/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/datastructures/GridCacheAtomicReferenceApiSelfAbstractTest.java
index 1bc9d5f..0e9fe83 100644
--- 
a/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/datastructures/GridCacheAtomicReferenceApiSelfAbstractTest.java
+++ 
b/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/datastructures/GridCacheAtomicReferenceApiSelfAbstractTest.java
@@ -19,7 +19,7 @@ package 
org.apache.ignite.internal.processors.cache.datastructures;
 
 import org.apache.ignite.*;
 import org.apache.ignite.cache.*;
-import org.apache.ignite.cache.Cache;
+import org.apache.ignite.cache.GridCache;
 import org.apache.ignite.cache.datastructures.*;
 import org.apache.ignite.cache.store.*;
 import org.apache.ignite.configuration.*;
@@ -198,7 +198,7 @@ public abstract class 
GridCacheAtomicReferenceApiSelfAbstractTest extends GridCo
     public void testNonPersistentMode() throws IgniteCheckedException {
         String atomicName = UUID.randomUUID().toString();
 
-        Cache<Object, Object> cache = grid().cache(null);
+        GridCache<Object, Object> cache = grid().cache(null);
 
         assertNotNull(cache);
 

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