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davsclaus pushed a commit to branch camel-13636
in repository https://gitbox.apache.org/repos/asf/camel.git
commit f0d50772af3ab7a4b92a70998d3b682b30c4d425
Author: Claus Ibsen <claus.ib...@gmail.com>
AuthorDate: Wed Jun 12 12:54:37 2019 +0200
camel3 - SPI for ReactiveHelper so we can plugin different reactive engines
---
.../main/java/org/apache/camel/CamelContext.java | 8 +++
.../org/apache/camel/spi/ReactiveExecutor.java | 41 +++++++++++++++
.../camel/impl/engine/AbstractCamelContext.java | 19 +++++++
.../camel/impl/engine/DefaultReactiveExecutor.java | 61 ++++++++++++++++++++++
.../org/apache/camel/impl/DefaultCamelContext.java | 6 +++
5 files changed, 135 insertions(+)
diff --git a/core/camel-api/src/main/java/org/apache/camel/CamelContext.java
b/core/camel-api/src/main/java/org/apache/camel/CamelContext.java
index 48f928a..b260e98 100644
--- a/core/camel-api/src/main/java/org/apache/camel/CamelContext.java
+++ b/core/camel-api/src/main/java/org/apache/camel/CamelContext.java
@@ -37,6 +37,7 @@ import org.apache.camel.spi.ManagementNameStrategy;
import org.apache.camel.spi.ManagementStrategy;
import org.apache.camel.spi.MessageHistoryFactory;
import org.apache.camel.spi.PropertiesComponent;
+import org.apache.camel.spi.ReactiveExecutor;
import org.apache.camel.spi.Registry;
import org.apache.camel.spi.RestConfiguration;
import org.apache.camel.spi.RestRegistry;
@@ -1217,4 +1218,11 @@ public interface CamelContext extends StatefulService,
RuntimeConfiguration {
*/
void setHeadersMapFactory(HeadersMapFactory factory);
+ ReactiveExecutor getReactiveExecutor();
+
+ /**
+ * Sets a custom {@link ReactiveExecutor} to be used.
+ */
+ void setReactiveExecutor(ReactiveExecutor reactiveExecutor);
+
}
diff --git
a/core/camel-api/src/main/java/org/apache/camel/spi/ReactiveExecutor.java
b/core/camel-api/src/main/java/org/apache/camel/spi/ReactiveExecutor.java
new file mode 100644
index 0000000..8987bd3
--- /dev/null
+++ b/core/camel-api/src/main/java/org/apache/camel/spi/ReactiveExecutor.java
@@ -0,0 +1,41 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.camel.spi;
+
+/**
+ * SPI to plugin different reactive engines in the Camel routing engine.
+ */
+public interface ReactiveExecutor {
+
+ // TODO: Add javadoc
+ // TODO: Better name
+
+ void scheduleMain(Runnable runnable);
+
+ void scheduleSync(Runnable runnable);
+
+ void scheduleMain(Runnable runnable, String description);
+
+ void schedule(Runnable runnable);
+
+ void schedule(Runnable runnable, String description);
+
+ void scheduleSync(Runnable runnable, String description);
+
+ boolean executeFromQueue();
+
+}
diff --git
a/core/camel-base/src/main/java/org/apache/camel/impl/engine/AbstractCamelContext.java
b/core/camel-base/src/main/java/org/apache/camel/impl/engine/AbstractCamelContext.java
index aacefac..521a8d6 100644
---
a/core/camel-base/src/main/java/org/apache/camel/impl/engine/AbstractCamelContext.java
+++
b/core/camel-base/src/main/java/org/apache/camel/impl/engine/AbstractCamelContext.java
@@ -119,6 +119,7 @@ import org.apache.camel.spi.NodeIdFactory;
import org.apache.camel.spi.PackageScanClassResolver;
import org.apache.camel.spi.ProcessorFactory;
import org.apache.camel.spi.PropertiesComponent;
+import org.apache.camel.spi.ReactiveExecutor;
import org.apache.camel.spi.Registry;
import org.apache.camel.spi.RestConfiguration;
import org.apache.camel.spi.RestRegistry;
@@ -216,6 +217,7 @@ public abstract class AbstractCamelContext extends
ServiceSupport implements Ext
private final Object lock = new Object();
private volatile CamelContextNameStrategy nameStrategy;
+ private volatile ReactiveExecutor reactiveExecutor;
private volatile ManagementNameStrategy managementNameStrategy;
private volatile Registry registry;
private volatile TypeConverter typeConverter;
@@ -3791,6 +3793,21 @@ public abstract class AbstractCamelContext extends
ServiceSupport implements Ext
this.headersMapFactory = doAddService(headersMapFactory);
}
+ public ReactiveExecutor getReactiveExecutor() {
+ if (reactiveExecutor == null) {
+ synchronized (lock) {
+ if (reactiveExecutor == null) {
+ setReactiveExecutor(createReactiveExecutor());
+ }
+ }
+ }
+ return reactiveExecutor;
+ }
+
+ public void setReactiveExecutor(ReactiveExecutor reactiveExecutor) {
+ this.reactiveExecutor = reactiveExecutor;
+ }
+
@Override
public DeferServiceFactory getDeferServiceFactory() {
return deferServiceFactory;
@@ -3869,6 +3886,8 @@ public abstract class AbstractCamelContext extends
ServiceSupport implements Ext
}
}
+ protected abstract ReactiveExecutor createReactiveExecutor();
+
protected abstract StreamCachingStrategy createStreamCachingStrategy();
protected abstract TypeConverter createTypeConverter();
diff --git
a/core/camel-base/src/main/java/org/apache/camel/impl/engine/DefaultReactiveExecutor.java
b/core/camel-base/src/main/java/org/apache/camel/impl/engine/DefaultReactiveExecutor.java
new file mode 100644
index 0000000..6a9473b
--- /dev/null
+++
b/core/camel-base/src/main/java/org/apache/camel/impl/engine/DefaultReactiveExecutor.java
@@ -0,0 +1,61 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ * <p>
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * <p>
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.camel.impl.engine;
+
+import org.apache.camel.spi.ReactiveExecutor;
+import org.apache.camel.support.ReactiveHelper;
+
+/**
+ * Default {@link ReactiveExecutor}.
+ */
+public class DefaultReactiveExecutor implements ReactiveExecutor {
+
+ @Override
+ public void scheduleMain(Runnable runnable) {
+ ReactiveHelper.scheduleMain(runnable);
+ }
+
+ @Override
+ public void scheduleSync(Runnable runnable) {
+ ReactiveHelper.scheduleSync(runnable);
+ }
+
+ @Override
+ public void scheduleMain(Runnable runnable, String description) {
+ ReactiveHelper.scheduleMain(runnable, description);
+ }
+
+ @Override
+ public void schedule(Runnable runnable) {
+ ReactiveHelper.schedule(runnable);
+ }
+
+ @Override
+ public void schedule(Runnable runnable, String description) {
+ ReactiveHelper.schedule(runnable, description);
+ }
+
+ @Override
+ public void scheduleSync(Runnable runnable, String description) {
+ ReactiveHelper.scheduleSync(runnable, description);
+ }
+
+ @Override
+ public boolean executeFromQueue() {
+ return ReactiveHelper.executeFromQueue();
+ }
+}
diff --git
a/core/camel-core/src/main/java/org/apache/camel/impl/DefaultCamelContext.java
b/core/camel-core/src/main/java/org/apache/camel/impl/DefaultCamelContext.java
index 6b7ac7e..1cce2b8 100644
---
a/core/camel-core/src/main/java/org/apache/camel/impl/DefaultCamelContext.java
+++
b/core/camel-core/src/main/java/org/apache/camel/impl/DefaultCamelContext.java
@@ -45,6 +45,7 @@ import
org.apache.camel.impl.engine.DefaultMessageHistoryFactory;
import org.apache.camel.impl.engine.DefaultNodeIdFactory;
import org.apache.camel.impl.engine.DefaultPackageScanClassResolver;
import org.apache.camel.impl.engine.DefaultProcessorFactory;
+import org.apache.camel.impl.engine.DefaultReactiveExecutor;
import org.apache.camel.impl.engine.DefaultRouteController;
import org.apache.camel.impl.engine.DefaultShutdownStrategy;
import org.apache.camel.impl.engine.DefaultStreamCachingStrategy;
@@ -81,6 +82,7 @@ import org.apache.camel.spi.ModelJAXBContextFactory;
import org.apache.camel.spi.NodeIdFactory;
import org.apache.camel.spi.PackageScanClassResolver;
import org.apache.camel.spi.ProcessorFactory;
+import org.apache.camel.spi.ReactiveExecutor;
import org.apache.camel.spi.Registry;
import org.apache.camel.spi.RestRegistryFactory;
import org.apache.camel.spi.RouteController;
@@ -304,4 +306,8 @@ public class DefaultCamelContext extends
AbstractModelCamelContext {
protected StreamCachingStrategy createStreamCachingStrategy() {
return new DefaultStreamCachingStrategy();
}
+
+ protected ReactiveExecutor createReactiveExecutor() {
+ return new DefaultReactiveExecutor();
+ }
}
