Merge branch 'work'

This commit is contained in:
David Syer
2010-05-05 07:47:27 +00:00
parent 84c6202102
commit 983fbfede7
11 changed files with 380 additions and 259 deletions

View File

@@ -27,6 +27,7 @@ import org.springframework.integration.core.MessageHeaders;
import org.springframework.integration.core.MessageProducer;
import org.springframework.integration.handler.AbstractMessageHandler;
import org.springframework.integration.store.MessageGroup;
import org.springframework.integration.store.MessageGroupCallback;
import org.springframework.integration.store.MessageGroupStore;
import org.springframework.integration.store.MessageStore;
import org.springframework.integration.store.SimpleMessageStore;
@@ -81,6 +82,11 @@ public class CorrelatingMessageHandler extends AbstractMessageHandler implements
Assert.notNull(store);
Assert.notNull(processor);
this.store = store;
store.registerExpiryCallback(new MessageGroupCallback() {
public void execute(MessageGroup group) {
forceComplete(group);
}
});
this.outputProcessor = processor;
this.correlationStrategy = correlationStrategy == null ? new HeaderAttributeCorrelationStrategy(
MessageHeaders.CORRELATION_ID) : correlationStrategy;
@@ -198,12 +204,12 @@ public class CorrelatingMessageHandler extends AbstractMessageHandler implements
}
// TODO: INT-958 - arrange for this to be called if user desires, e.g. periodically
public final boolean forceComplete(Object correlationKey) {
private final boolean forceComplete(MessageGroup group) {
Object correlationKey = group.getCorrelationKey();
Object lock = getLock(correlationKey);
synchronized (lock) {
MessageGroup group = store.getMessageGroup(correlationKey);
if (group.size() > 0) {
// last chance for normal completion
if (releaseStrategy.canRelease(group)) {
@@ -234,7 +240,9 @@ public class CorrelatingMessageHandler extends AbstractMessageHandler implements
return true;
}
return false;
}
}
private Object getLock(Object correlationKey) {

View File

@@ -38,6 +38,8 @@ public interface MessageGroup {
void mark();
public Message<?> getOne();
Message<?> getOne();
long getTimestamp();
}

View File

@@ -0,0 +1,26 @@
/*
* Copyright 2002-2010 the original author or authors.
*
* Licensed 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.springframework.integration.store;
/**
* @author Dave Syer
*
* @since 2.0
*
*/
public interface MessageGroupCallback {
void execute(MessageGroup group);
}

View File

@@ -1,17 +1,14 @@
/*
* Copyright 2002-2008 the original author or authors.
*
* Licensed 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.
*
* Licensed 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.springframework.integration.store;
@@ -61,4 +58,22 @@ public interface MessageGroupStore {
*/
void removeMessageGroup(Object correlationKey);
/**
* Register a callback for when a message group is expired through {@link #expireMessageGroups(long)}.
*
* @param callback a callback to execute when a message group is cleaned up
*/
void registerExpiryCallback(MessageGroupCallback callback);
/**
* Extract all expired groups (those whose timestamp is less than the threshold provided) and call each of the
* registered callbacks on them in turn.
*
* @param timestamp the timestamp threshold to use
* @return the number of message groups expired
*
* @see #registerExpiryCallback(MessageGroupCallback)
*/
int expireMessageGroups(long timestamp);
}

View File

@@ -38,14 +38,11 @@ public class SimpleMessageGroup implements MessageGroup {
public final Collection<Message<?>> unmarked = new HashSet<Message<?>>();
private final long timestamp;
public SimpleMessageGroup(Object correlationKey) {
this.correlationKey = correlationKey;
}
public SimpleMessageGroup(MessageGroup template) {
this.correlationKey = template.getCorrelationKey();
this.marked.addAll(template.getMarked());
this.unmarked.addAll(template.getUnmarked());
this.timestamp = System.currentTimeMillis();
}
public SimpleMessageGroup(Collection<? extends Message<?>> originalMessages,
@@ -55,6 +52,17 @@ public class SimpleMessageGroup implements MessageGroup {
add(message);
}
}
public SimpleMessageGroup(MessageGroup template) {
this.correlationKey = template.getCorrelationKey();
this.marked.addAll(template.getMarked());
this.unmarked.addAll(template.getUnmarked());
this.timestamp = template.getTimestamp();
}
public long getTimestamp() {
return timestamp;
}
public boolean add(Message<?> message) {
if (isMember(message)) {

View File

@@ -1,25 +1,26 @@
/*
* Copyright 2002-2009 the original author or authors.
*
* Licensed 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.
*
* Licensed 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.springframework.integration.store;
import java.util.Collection;
import java.util.LinkedHashSet;
import java.util.UUID;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.ConcurrentMap;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.springframework.integration.core.Message;
import org.springframework.integration.core.MessagingException;
import org.springframework.integration.util.UpperBound;
@@ -37,12 +38,16 @@ import org.springframework.util.Assert;
*/
public class SimpleMessageStore implements MessageStore, MessageGroupStore {
private static final Log logger = LogFactory.getLog(SimpleMessageStore.class);
private final ConcurrentMap<UUID, Message<?>> idToMessage;
private final ConcurrentMap<Object, SimpleMessageGroup> correlationToMessageGroup;
private final UpperBound upperBound;
private Collection<MessageGroupCallback> expiryCallbacks = new LinkedHashSet<MessageGroupCallback>();
/**
* Creates a SimpleMessageStore with a maximum size limited by the given capacity, or unlimited size if the given
* capacity is less than 1.
@@ -77,36 +82,72 @@ public class SimpleMessageStore implements MessageStore, MessageGroupStore {
if (key != null) {
upperBound.release();
return this.idToMessage.remove(key);
}
else
} else
return null;
}
public MessageGroup getMessageGroup(Object correlationId) {
Assert.notNull(correlationId, "'correlationKey' must not be null");
MessageGroup collection = correlationToMessageGroup.get(correlationId);
if (collection == null) {
SimpleMessageGroup group = correlationToMessageGroup.get(correlationId);
if (group == null) {
return new SimpleMessageGroup(correlationId);
}
return new SimpleMessageGroup(collection);
return new SimpleMessageGroup(group);
}
public void addMessageToGroup(Object correlationId, Message<?> message) {
getMessageGroupInternal(correlationId).add(message);
}
public void markMessageGroup(MessageGroup group) {
public void markMessageGroup(MessageGroup group) {
Object correlationId = group.getCorrelationKey();
MessageGroup internal = getMessageGroupInternal(correlationId);
internal.mark();
group.mark();
group.mark();
}
public void removeMessageGroup(Object correlationId) {
correlationToMessageGroup.remove(correlationId);
}
private MessageGroup getMessageGroupInternal(Object correlationId) {
public void registerExpiryCallback(MessageGroupCallback callback) {
expiryCallbacks.add(callback);
}
public int expireMessageGroups(long timestamp) {
int count = 0;
for (MessageGroup group : correlationToMessageGroup.values()) {
if (group.getTimestamp() < timestamp) {
count++;
expire(group);
removeMessageGroup(group.getCorrelationKey());
}
}
return count;
}
private void expire(MessageGroup group) {
RuntimeException exception = null;
for (MessageGroupCallback callback : expiryCallbacks) {
try {
callback.execute(group);
} catch (RuntimeException e) {
if (exception == null) {
exception = e;
}
logger.error("Exception in expiry callback", e);
}
}
if (exception != null) {
throw exception;
}
}
private SimpleMessageGroup getMessageGroupInternal(Object correlationId) {
if (!correlationToMessageGroup.containsKey(correlationId)) {
correlationToMessageGroup.putIfAbsent(correlationId, new SimpleMessageGroup(correlationId));
}

View File

@@ -1,17 +1,14 @@
/*
* Copyright 2002-2009 the original author or authors.
*
* Licensed 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.
*
* Licensed 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.springframework.integration.aggregator;
@@ -45,214 +42,211 @@ import org.springframework.integration.store.SimpleMessageStore;
*/
public class AggregatorTests {
private CorrelatingMessageHandler aggregator;
private CorrelatingMessageHandler aggregator;
private SimpleMessageStore store = new SimpleMessageStore(50);
@Before
public void configureAggregator() {
this.aggregator = new CorrelatingMessageHandler(new MultiplyingProcessor(), new SimpleMessageStore(50));
}
@Before
public void configureAggregator() {
this.aggregator = new CorrelatingMessageHandler(new MultiplyingProcessor(), store);
}
@Test
public void testCompleteGroupWithinTimeout() throws InterruptedException {
QueueChannel replyChannel = new QueueChannel();
Message<?> message1 = createMessage(3, "ABC", 3, 1, replyChannel, null);
Message<?> message2 = createMessage(5, "ABC", 3, 2, replyChannel, null);
Message<?> message3 = createMessage(7, "ABC", 3, 3, replyChannel, null);
CountDownLatch latch = new CountDownLatch(3);
this.aggregator.handleMessage(message1);
this.aggregator.handleMessage(message2);
this.aggregator.handleMessage(message3);
latch.await(1000, TimeUnit.MILLISECONDS);
Message<?> reply = replyChannel.receive(2000);
assertNotNull(reply);
assertEquals(reply.getPayload(), 105);
}
@Test
public void testCompleteGroupWithinTimeout() throws InterruptedException {
QueueChannel replyChannel = new QueueChannel();
Message<?> message1 = createMessage(3, "ABC", 3, 1, replyChannel, null);
Message<?> message2 = createMessage(5, "ABC", 3, 2, replyChannel, null);
Message<?> message3 = createMessage(7, "ABC", 3, 3, replyChannel, null);
CountDownLatch latch = new CountDownLatch(3);
this.aggregator.handleMessage(message1);
this.aggregator.handleMessage(message2);
this.aggregator.handleMessage(message3);
latch.await(1000, TimeUnit.MILLISECONDS);
Message<?> reply = replyChannel.receive(2000);
assertNotNull(reply);
assertEquals(reply.getPayload(), 105);
}
@Test
public void testShouldNotSendPartialResultOnTimeoutByDefault() throws InterruptedException {
QueueChannel discardChannel = new QueueChannel();
this.aggregator.setTimeout(50);
this.aggregator.setReaperInterval(10);
this.aggregator.setDiscardChannel(discardChannel);
QueueChannel replyChannel = new QueueChannel();
Message<?> message = createMessage(3, "ABC", 2, 1, replyChannel, null);
this.aggregator.handleMessage(message);
this.aggregator.forceComplete("ABC");
Message<?> reply = replyChannel.receive(100);
assertNull("No message should have been sent normally", reply);
Message<?> discardedMessage = discardChannel.receive(1000);
assertNotNull("A message should have been discarded", discardedMessage);
assertEquals(message, discardedMessage);
}
@Test
public void testShouldNotSendPartialResultOnTimeoutByDefault() throws InterruptedException {
QueueChannel discardChannel = new QueueChannel();
this.aggregator.setTimeout(50);
this.aggregator.setReaperInterval(10);
this.aggregator.setDiscardChannel(discardChannel);
QueueChannel replyChannel = new QueueChannel();
Message<?> message = createMessage(3, "ABC", 2, 1, replyChannel, null);
this.aggregator.handleMessage(message);
this.store.expireMessageGroups(System.currentTimeMillis() + 10000);
Message<?> reply = replyChannel.receive(100);
assertNull("No message should have been sent normally", reply);
Message<?> discardedMessage = discardChannel.receive(1000);
assertNotNull("A message should have been discarded", discardedMessage);
assertEquals(message, discardedMessage);
}
@Test
public void testShouldSendPartialResultOnTimeoutTrue() throws InterruptedException {
this.aggregator.setSendPartialResultOnTimeout(true);
QueueChannel replyChannel = new QueueChannel();
Message<?> message1 = createMessage(3, "ABC", 3, 1, replyChannel, null);
Message<?> message2 = createMessage(5, "ABC", 3, 2, replyChannel, null);
this.aggregator.handleMessage(message1);
this.aggregator.handleMessage(message2);
this.aggregator.forceComplete("ABC");
Message<?> reply = replyChannel.receive(0);
assertNotNull("A reply message should have been received", reply);
assertEquals(15, reply.getPayload());
}
@Test
public void testShouldSendPartialResultOnTimeoutTrue() throws InterruptedException {
this.aggregator.setSendPartialResultOnTimeout(true);
QueueChannel replyChannel = new QueueChannel();
Message<?> message1 = createMessage(3, "ABC", 3, 1, replyChannel, null);
Message<?> message2 = createMessage(5, "ABC", 3, 2, replyChannel, null);
this.aggregator.handleMessage(message1);
this.aggregator.handleMessage(message2);
this.store.expireMessageGroups(System.currentTimeMillis() + 10000);
Message<?> reply = replyChannel.receive(0);
assertNotNull("A reply message should have been received", reply);
assertEquals(15, reply.getPayload());
}
@Test
public void testMultipleGroupsSimultaneously() throws InterruptedException {
QueueChannel replyChannel1 = new QueueChannel();
QueueChannel replyChannel2 = new QueueChannel();
Message<?> message1 = createMessage(3, "ABC", 3, 1, replyChannel1, null);
Message<?> message2 = createMessage(5, "ABC", 3, 2, replyChannel1, null);
Message<?> message3 = createMessage(7, "ABC", 3, 3, replyChannel1, null);
Message<?> message4 = createMessage(11, "XYZ", 3, 1, replyChannel2, null);
Message<?> message5 = createMessage(13, "XYZ", 3, 2, replyChannel2, null);
Message<?> message6 = createMessage(17, "XYZ", 3, 3, replyChannel2, null);
aggregator.handleMessage(message1);
aggregator.handleMessage(message5);
aggregator.handleMessage(message3);
aggregator.handleMessage(message6);
aggregator.handleMessage(message4);
aggregator.handleMessage(message2);
@SuppressWarnings("unchecked")
Message<Integer> reply1 = (Message<Integer>) replyChannel1.receive(500);
assertNotNull(reply1);
assertThat(reply1.getPayload(), is(105));
@SuppressWarnings("unchecked")
Message<Integer> reply2 = (Message<Integer>) replyChannel2.receive(500);
assertNotNull(reply2);
assertThat(reply2.getPayload(), is(2431));
}
@Test
public void testMultipleGroupsSimultaneously() throws InterruptedException {
QueueChannel replyChannel1 = new QueueChannel();
QueueChannel replyChannel2 = new QueueChannel();
Message<?> message1 = createMessage(3, "ABC", 3, 1, replyChannel1, null);
Message<?> message2 = createMessage(5, "ABC", 3, 2, replyChannel1, null);
Message<?> message3 = createMessage(7, "ABC", 3, 3, replyChannel1, null);
Message<?> message4 = createMessage(11, "XYZ", 3, 1, replyChannel2, null);
Message<?> message5 = createMessage(13, "XYZ", 3, 2, replyChannel2, null);
Message<?> message6 = createMessage(17, "XYZ", 3, 3, replyChannel2, null);
aggregator.handleMessage(message1);
aggregator.handleMessage(message5);
aggregator.handleMessage(message3);
aggregator.handleMessage(message6);
aggregator.handleMessage(message4);
aggregator.handleMessage(message2);
@SuppressWarnings("unchecked")
Message<Integer> reply1 = (Message<Integer>) replyChannel1.receive(500);
assertNotNull(reply1);
assertThat(reply1.getPayload(), is(105));
@SuppressWarnings("unchecked")
Message<Integer> reply2 = (Message<Integer>) replyChannel2.receive(500);
assertNotNull(reply2);
assertThat(reply2.getPayload(), is(2431));
}
@Test
@Ignore
//dropped backwards compatibility for setting capacity limit (it's always Integer.MAX_VALUE)
public void testTrackedCorrelationIdsCapacityAtLimit() {
QueueChannel replyChannel = new QueueChannel();
QueueChannel discardChannel = new QueueChannel();
//this.aggregator.setTrackedCorrelationIdCapacity(3);
this.aggregator.setDiscardChannel(discardChannel);
this.aggregator.handleMessage(createMessage(1, 1, 1, 1, replyChannel, null));
assertEquals(1, replyChannel.receive(100).getPayload());
this.aggregator.handleMessage(createMessage(3, 2, 1, 1, replyChannel, null));
assertEquals(3, replyChannel.receive(100).getPayload());
this.aggregator.handleMessage(createMessage(4, 3, 1, 1, replyChannel, null));
assertEquals(4, replyChannel.receive(100).getPayload());
//next message with same correllation ID is discarded
this.aggregator.handleMessage(createMessage(2, 1, 1, 1, replyChannel, null));
assertEquals(2, discardChannel.receive(100).getPayload());
}
@Test
@Ignore
// dropped backwards compatibility for setting capacity limit (it's always Integer.MAX_VALUE)
public void testTrackedCorrelationIdsCapacityAtLimit() {
QueueChannel replyChannel = new QueueChannel();
QueueChannel discardChannel = new QueueChannel();
// this.aggregator.setTrackedCorrelationIdCapacity(3);
this.aggregator.setDiscardChannel(discardChannel);
this.aggregator.handleMessage(createMessage(1, 1, 1, 1, replyChannel, null));
assertEquals(1, replyChannel.receive(100).getPayload());
this.aggregator.handleMessage(createMessage(3, 2, 1, 1, replyChannel, null));
assertEquals(3, replyChannel.receive(100).getPayload());
this.aggregator.handleMessage(createMessage(4, 3, 1, 1, replyChannel, null));
assertEquals(4, replyChannel.receive(100).getPayload());
// next message with same correllation ID is discarded
this.aggregator.handleMessage(createMessage(2, 1, 1, 1, replyChannel, null));
assertEquals(2, discardChannel.receive(100).getPayload());
}
@Test
@Ignore
//dropped backwards compatibility for setting capacity limit (it's always Integer.MAX_VALUE)
public void testTrackedCorrelationIdsCapacityPassesLimit() {
QueueChannel replyChannel = new QueueChannel();
QueueChannel discardChannel = new QueueChannel();
//this.aggregator.setTrackedCorrelationIdCapacity(3);
this.aggregator.setDiscardChannel(discardChannel);
this.aggregator.handleMessage(createMessage(1, 1, 1, 1, replyChannel, null));
assertEquals(1, replyChannel.receive(100).getPayload());
this.aggregator.handleMessage(createMessage(2, 2, 1, 1, replyChannel, null));
assertEquals(2, replyChannel.receive(100).getPayload());
this.aggregator.handleMessage(createMessage(3, 3, 1, 1, replyChannel, null));
assertEquals(3, replyChannel.receive(100).getPayload());
this.aggregator.handleMessage(createMessage(4, 4, 1, 1, replyChannel, null));
assertEquals(4, replyChannel.receive(100).getPayload());
this.aggregator.handleMessage(createMessage(5, 1, 1, 1, replyChannel, null));
assertEquals(5, replyChannel.receive(100).getPayload());
assertNull(discardChannel.receive(0));
}
@Test
@Ignore
// dropped backwards compatibility for setting capacity limit (it's always Integer.MAX_VALUE)
public void testTrackedCorrelationIdsCapacityPassesLimit() {
QueueChannel replyChannel = new QueueChannel();
QueueChannel discardChannel = new QueueChannel();
// this.aggregator.setTrackedCorrelationIdCapacity(3);
this.aggregator.setDiscardChannel(discardChannel);
this.aggregator.handleMessage(createMessage(1, 1, 1, 1, replyChannel, null));
assertEquals(1, replyChannel.receive(100).getPayload());
this.aggregator.handleMessage(createMessage(2, 2, 1, 1, replyChannel, null));
assertEquals(2, replyChannel.receive(100).getPayload());
this.aggregator.handleMessage(createMessage(3, 3, 1, 1, replyChannel, null));
assertEquals(3, replyChannel.receive(100).getPayload());
this.aggregator.handleMessage(createMessage(4, 4, 1, 1, replyChannel, null));
assertEquals(4, replyChannel.receive(100).getPayload());
this.aggregator.handleMessage(createMessage(5, 1, 1, 1, replyChannel, null));
assertEquals(5, replyChannel.receive(100).getPayload());
assertNull(discardChannel.receive(0));
}
@Test(expected = MessageHandlingException.class)
public void testExceptionThrownIfNoCorrelationId() throws InterruptedException {
Message<?> message = createMessage(3, null, 2, 1, new QueueChannel(), null);
this.aggregator.handleMessage(message);
}
@Test(expected = MessageHandlingException.class)
public void testExceptionThrownIfNoCorrelationId() throws InterruptedException {
Message<?> message = createMessage(3, null, 2, 1, new QueueChannel(), null);
this.aggregator.handleMessage(message);
}
@Test
public void testAdditionalMessageAfterCompletion() throws InterruptedException {
QueueChannel replyChannel = new QueueChannel();
Message<?> message1 = createMessage(3, "ABC", 3, 1, replyChannel, null);
Message<?> message2 = createMessage(5, "ABC", 3, 2, replyChannel, null);
Message<?> message3 = createMessage(7, "ABC", 3, 3, replyChannel, null);
Message<?> message4 = createMessage(7, "ABC", 3, 3, replyChannel, null);
CountDownLatch latch = new CountDownLatch(4);
this.aggregator.handleMessage(message1);
this.aggregator.handleMessage(message2);
this.aggregator.handleMessage(message3);
this.aggregator.handleMessage(message4);
latch.await(1000, TimeUnit.MILLISECONDS);
//small wait to make sure the fourth message is received
Thread.sleep(10);
Message<?> reply = replyChannel.receive(0);
assertNotNull("A message should be aggregated", reply);
assertThat(((Integer) reply.getPayload()), is(105));
}
@Test
public void testAdditionalMessageAfterCompletion() throws InterruptedException {
QueueChannel replyChannel = new QueueChannel();
Message<?> message1 = createMessage(3, "ABC", 3, 1, replyChannel, null);
Message<?> message2 = createMessage(5, "ABC", 3, 2, replyChannel, null);
Message<?> message3 = createMessage(7, "ABC", 3, 3, replyChannel, null);
Message<?> message4 = createMessage(7, "ABC", 3, 3, replyChannel, null);
CountDownLatch latch = new CountDownLatch(4);
this.aggregator.handleMessage(message1);
this.aggregator.handleMessage(message2);
this.aggregator.handleMessage(message3);
this.aggregator.handleMessage(message4);
latch.await(1000, TimeUnit.MILLISECONDS);
// small wait to make sure the fourth message is received
Thread.sleep(10);
Message<?> reply = replyChannel.receive(0);
assertNotNull("A message should be aggregated", reply);
assertThat(((Integer) reply.getPayload()), is(105));
}
@Test
public void shouldRejectDuplicatedSequenceNumbers() throws InterruptedException {
QueueChannel replyChannel = new QueueChannel();
Message<?> message1 = createMessage(3, "ABC", 3, 1, replyChannel, null);
Message<?> message2 = createMessage(5, "ABC", 3, 2, replyChannel, null);
Message<?> message3 = createMessage(7, "ABC", 3, 3, replyChannel, null);
Message<?> message4 = createMessage(7, "ABC", 3, 3, replyChannel, null);
CountDownLatch latch = new CountDownLatch(4);
this.aggregator.handleMessage(message1);
this.aggregator.handleMessage(message3);
//duplicated sequence number, either message3 or message4 should be rejected
this.aggregator.handleMessage(message4);
this.aggregator.handleMessage(message2);
latch.await(1000, TimeUnit.MILLISECONDS);
Message<?> reply = replyChannel.receive(0);
assertNotNull("A message should be aggregated", reply);
assertThat(((Integer) reply.getPayload()), is(105));
}
@Test
public void shouldRejectDuplicatedSequenceNumbers() throws InterruptedException {
QueueChannel replyChannel = new QueueChannel();
Message<?> message1 = createMessage(3, "ABC", 3, 1, replyChannel, null);
Message<?> message2 = createMessage(5, "ABC", 3, 2, replyChannel, null);
Message<?> message3 = createMessage(7, "ABC", 3, 3, replyChannel, null);
Message<?> message4 = createMessage(7, "ABC", 3, 3, replyChannel, null);
CountDownLatch latch = new CountDownLatch(4);
this.aggregator.handleMessage(message1);
this.aggregator.handleMessage(message3);
// duplicated sequence number, either message3 or message4 should be rejected
this.aggregator.handleMessage(message4);
this.aggregator.handleMessage(message2);
latch.await(1000, TimeUnit.MILLISECONDS);
Message<?> reply = replyChannel.receive(0);
assertNotNull("A message should be aggregated", reply);
assertThat(((Integer) reply.getPayload()), is(105));
}
@Test
public void testNullReturningAggregator() throws InterruptedException {
this.aggregator = new CorrelatingMessageHandler(new NullReturningMessageProcessor(), new SimpleMessageStore(50));
QueueChannel replyChannel = new QueueChannel();
Message<?> message1 = createMessage(3, "ABC", 3, 1, replyChannel, null);
Message<?> message2 = createMessage(5, "ABC", 3, 2, replyChannel, null);
Message<?> message3 = createMessage(7, "ABC", 3, 3, replyChannel, null);
this.aggregator.handleMessage(message1);
this.aggregator.handleMessage(message2);
this.aggregator.handleMessage(message3);
Message<?> reply = replyChannel.receive(500);
assertNull(reply);
}
@Test
public void testNullReturningAggregator() throws InterruptedException {
this.aggregator = new CorrelatingMessageHandler(new NullReturningMessageProcessor(), new SimpleMessageStore(50));
QueueChannel replyChannel = new QueueChannel();
Message<?> message1 = createMessage(3, "ABC", 3, 1, replyChannel, null);
Message<?> message2 = createMessage(5, "ABC", 3, 2, replyChannel, null);
Message<?> message3 = createMessage(7, "ABC", 3, 3, replyChannel, null);
this.aggregator.handleMessage(message1);
this.aggregator.handleMessage(message2);
this.aggregator.handleMessage(message3);
Message<?> reply = replyChannel.receive(500);
assertNull(reply);
}
private static Message<?> createMessage(Object payload, Object correlationId, int sequenceSize, int sequenceNumber,
MessageChannel replyChannel, String predefinedId) {
MessageBuilder<Object> builder = MessageBuilder.withPayload(payload).setCorrelationId(correlationId)
.setSequenceSize(sequenceSize).setSequenceNumber(sequenceNumber).setReplyChannel(replyChannel);
if (predefinedId != null) {
builder.setHeader(MessageHeaders.ID, predefinedId);
}
return builder.build();
}
private static Message<?> createMessage(Object payload, Object correlationId,
int sequenceSize, int sequenceNumber, MessageChannel replyChannel, String predefinedId) {
MessageBuilder<Object> builder = MessageBuilder.withPayload(payload)
.setCorrelationId(correlationId)
.setSequenceSize(sequenceSize)
.setSequenceNumber(sequenceNumber)
.setReplyChannel(replyChannel);
if (predefinedId != null) {
builder.setHeader(MessageHeaders.ID, predefinedId);
}
return builder.build();
}
private class MultiplyingProcessor implements MessageGroupProcessor {
public void processAndSend(MessageGroup group, MessageChannelTemplate channelTemplate,
MessageChannel outputChannel) {
Integer product = 1;
for (Message<?> message : group.getUnmarked()) {
product *= (Integer) message.getPayload();
}
channelTemplate.send(MessageBuilder.withPayload(product).build(), outputChannel);
}
}
private class MultiplyingProcessor implements MessageGroupProcessor {
public void processAndSend(MessageGroup group,
MessageChannelTemplate channelTemplate, MessageChannel outputChannel
) {
Integer product = 1;
for (Message<?> message : group.getUnmarked()) {
product *= (Integer) message.getPayload();
}
channelTemplate.send(MessageBuilder.withPayload(product).build(), outputChannel);
}
}
private class NullReturningMessageProcessor implements MessageGroupProcessor {
public void processAndSend(MessageGroup group, MessageChannelTemplate channelTemplate, MessageChannel outputChannel) {
//noop
}
}
private class NullReturningMessageProcessor implements MessageGroupProcessor {
public void processAndSend(MessageGroup group, MessageChannelTemplate channelTemplate,
MessageChannel outputChannel) {
// noop
}
}
}

View File

@@ -39,6 +39,7 @@ import org.springframework.integration.message.MessageBuilder;
import org.springframework.integration.message.MessageHandler;
import org.springframework.integration.message.MessageHandlingException;
import org.springframework.integration.store.MessageGroup;
import org.springframework.integration.store.MessageGroupStore;
import org.springframework.integration.store.SimpleMessageStore;
/**
@@ -52,11 +53,12 @@ public class ConcurrentAggregatorTests {
private CorrelatingMessageHandler aggregator;
private MessageGroupStore store = new SimpleMessageStore();
@Before
public void configureAggregator() {
this.taskExecutor = new SimpleAsyncTaskExecutor();
this.aggregator = new CorrelatingMessageHandler(new MultiplyingProcessor(), new SimpleMessageStore(
50));
this.aggregator = new CorrelatingMessageHandler(new MultiplyingProcessor(), store);
}
@Test
@@ -118,7 +120,7 @@ public class ConcurrentAggregatorTests {
.getCount());
Message<?> reply = replyChannel.receive(100);
assertNull("No message should have been sent normally", reply);
aggregator.forceComplete("ABC");
this.store.expireMessageGroups(System.currentTimeMillis()+10000);
Message<?> discardedMessage = discardChannel.receive(100);
assertNotNull("A message should have been discarded", discardedMessage);
assertEquals(message, discardedMessage);
@@ -141,7 +143,7 @@ public class ConcurrentAggregatorTests {
latch.await(300, TimeUnit.MILLISECONDS);
assertEquals("handlers should have been invoked within time limit", 0,
latch.getCount());
this.aggregator.forceComplete("ABC");
this.store.expireMessageGroups(System.currentTimeMillis()+10000);
Message<?> reply = replyChannel.receive(100);
assertNotNull("A reply message should have been received", reply);
assertEquals(15, reply.getPayload());

View File

@@ -17,7 +17,6 @@
package org.springframework.integration.aggregator;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.mockito.Matchers.eq;
import static org.mockito.Matchers.isA;
import static org.mockito.Mockito.doAnswer;
@@ -40,6 +39,7 @@ import org.springframework.integration.channel.MessageChannelTemplate;
import org.springframework.integration.core.Message;
import org.springframework.integration.core.MessageChannel;
import org.springframework.integration.message.MessageBuilder;
import org.springframework.integration.store.MessageGroupStore;
import org.springframework.integration.store.SimpleMessageGroup;
import org.springframework.integration.store.SimpleMessageStore;
import org.springframework.test.util.ReflectionTestUtils;
@@ -64,9 +64,11 @@ public class CorrelatingMessageHandlerTests {
@Mock
private MessageChannel outputChannel;
private MessageGroupStore store = new SimpleMessageStore();
@Before
public void initializeSubject() {
handler = new CorrelatingMessageHandler(processor, new SimpleMessageStore(), correlationStrategy,
handler = new CorrelatingMessageHandler(processor, store, correlationStrategy,
ReleaseStrategy);
handler.setOutputChannel(outputChannel);
doAnswer(new DoesNothing()).when(processor).processAndSend(isA(SimpleMessageGroup.class),
@@ -127,7 +129,7 @@ public class CorrelatingMessageHandlerTests {
});
Thread.sleep(20);
assertFalse(handler.forceComplete("key"));
assertEquals(0, store.expireMessageGroups(System.currentTimeMillis()+10000));
bothMessagesHandled.await();

View File

@@ -136,8 +136,7 @@ public class ResequencerTests {
this.resequencer.setTimeout(90000);
this.resequencer.handleMessage(message1);
this.resequencer.handleMessage(message2);
// this.resequencer.discardBarrier(this.resequencer.barriers.get("ABC"));
this.resequencer.forceComplete("ABC");
assertEquals(1, store.expireMessageGroups(System.currentTimeMillis()+10000));
Message<?> reply1 = discardChannel.receive(0);
Message<?> reply2 = discardChannel.receive(0);
Message<?> reply3 = discardChannel.receive(0);

View File

@@ -21,6 +21,9 @@ import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotSame;
import static org.junit.Assert.assertThat;
import java.util.ArrayList;
import java.util.List;
import org.junit.Test;
import org.springframework.integration.core.Message;
import org.springframework.integration.core.MessagingException;
@@ -75,4 +78,25 @@ public class SimpleMessageStoreTests {
assertNotSame(store.getMessageGroup("bar"), store.getMessageGroup("bar"));
}
@Test
public void shouldExpireMessageGroup() throws Exception {
SimpleMessageStore store = new SimpleMessageStore();
final List<String> list = new ArrayList<String>();
store.registerExpiryCallback(new MessageGroupCallback() {
public void execute(MessageGroup group) {
list.add(group.getOne().getPayload().toString());
}
});
Message<String> testMessage1 = MessageBuilder.withPayload("foo").build();
store.addMessageToGroup("bar", testMessage1);
assertEquals(1, store.getMessageGroup("bar").size());
store.expireMessageGroups(System.currentTimeMillis()+10000);
assertEquals("[foo]", list.toString());
assertEquals(0, store.getMessageGroup("bar").size());
}
}