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commit 8e7f86b0c0e090d4d82ef93e93dcb524f447b0f5
Author: Marc Eiro <marc.e...@sap.com>
AuthorDate: Fri Nov 12 12:38:10 2021 +0100
CAMEL-17174: fixed issue where exchange UnitOfWork was not being cleared
upon completion.
---
.../camel/processor/UnitOfWorkHelperTest.java | 96 ++++++++++++++++++++++
.../org/apache/camel/support/UnitOfWorkHelper.java | 4 +
2 files changed, 100 insertions(+)
diff --git
a/core/camel-core/src/test/java/org/apache/camel/processor/UnitOfWorkHelperTest.java
b/core/camel-core/src/test/java/org/apache/camel/processor/UnitOfWorkHelperTest.java
new file mode 100644
index 0000000..23f36b9
--- /dev/null
+++
b/core/camel-core/src/test/java/org/apache/camel/processor/UnitOfWorkHelperTest.java
@@ -0,0 +1,96 @@
+/*
+ * 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.processor;
+
+import org.apache.camel.ContextTestSupport;
+import org.apache.camel.EndpointInject;
+import org.apache.camel.Exchange;
+import org.apache.camel.ExtendedExchange;
+import org.apache.camel.Message;
+import org.apache.camel.component.direct.DirectEndpoint;
+import org.apache.camel.component.file.FileComponent;
+import org.apache.camel.component.file.GenericFile;
+import org.apache.camel.component.file.GenericFileMessage;
+import org.apache.camel.component.mock.MockEndpoint;
+import org.apache.camel.spi.CamelEvent;
+import org.apache.camel.spi.CamelEvent.ExchangeCreatedEvent;
+import org.apache.camel.support.DefaultExchange;
+import org.apache.camel.support.EventNotifierSupport;
+import org.junit.jupiter.api.Test;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
+public class UnitOfWorkHelperTest extends ContextTestSupport {
+
+ private static final String FILE_CONTENT = "Lorem ipsum dolor sit amet";
+
+ @EndpointInject(value = "mock:result")
+ protected MockEndpoint resultEndpoint;
+ private DirectEndpoint fromEndpoint;
+
+ private CustomEventNotifier eventNotifier;
+ private int numberOfExchangeCreatedEvents;
+
+ @Test
+ void testUoWShouldBeClearedOnJobDone() throws Exception {
+ eventNotifier = new CustomEventNotifier();
+ context.getManagementStrategy().addEventNotifier(eventNotifier);
+ Exchange testExchange = createExchange("testFile");
+
+ template.send("direct:from", testExchange);
+ template.send("direct:from", testExchange);
+
+ assertEquals(2, numberOfExchangeCreatedEvents);
+ }
+
+ private Exchange createExchange(String fileName) {
+ Exchange testExchange = new DefaultExchange(context);
+
+ GenericFile<String> testFile = createFile(fileName);
+ Message testMessage = new GenericFileMessage<String>(testExchange,
testFile);
+ testMessage.setBody(testFile);
+
+ testExchange.setIn(testMessage);
+ ExtendedExchange extExchange =
testExchange.adapt(ExtendedExchange.class);
+ extExchange.setFromEndpoint(fromEndpoint);
+ testExchange.setProperty(FileComponent.FILE_EXCHANGE_FILE, testFile);
+
+ return testExchange;
+ }
+
+ private GenericFile<String> createFile(final String fileName) {
+ GenericFile<String> testFile = new GenericFile<String>();
+
+ testFile.setFile(FILE_CONTENT);
+ testFile.setAbsoluteFilePath(fileName);
+ testFile.setBody(FILE_CONTENT);
+
+ return testFile;
+ }
+
+ public class CustomEventNotifier extends EventNotifierSupport {
+
+ @Override
+ public void notify(final CamelEvent event) {
+ if (event instanceof ExchangeCreatedEvent) {
+ numberOfExchangeCreatedEvents += 1;
+ }
+ }
+ }
+
+}
diff --git
a/core/camel-support/src/main/java/org/apache/camel/support/UnitOfWorkHelper.java
b/core/camel-support/src/main/java/org/apache/camel/support/UnitOfWorkHelper.java
index 8dafdcc..e160d9a 100644
---
a/core/camel-support/src/main/java/org/apache/camel/support/UnitOfWorkHelper.java
+++
b/core/camel-support/src/main/java/org/apache/camel/support/UnitOfWorkHelper.java
@@ -21,6 +21,7 @@ import java.util.Collections;
import java.util.List;
import org.apache.camel.Exchange;
+import org.apache.camel.ExtendedExchange;
import org.apache.camel.Route;
import org.apache.camel.Service;
import org.apache.camel.spi.Synchronization;
@@ -67,6 +68,9 @@ public final class UnitOfWorkHelper {
exchange, e);
}
+ // MUST clear and set uow to null on exchange after done
+ ExtendedExchange ee = (ExtendedExchange) exchange;
+ ee.setUnitOfWork(null);
}
public static void doneSynchronizations(Exchange exchange,
List<Synchronization> synchronizations, Logger log) {
