/**
* 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.aggregator;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import org.apache.camel.ContextTestSupport;
import org.apache.camel.Exchange;
import org.apache.camel.Expression;
import org.apache.camel.Processor;
import org.apache.camel.component.mock.MockEndpoint;
import org.apache.camel.impl.DefaultExchange;
import org.apache.camel.processor.BodyInAggregatingStrategy;
import org.apache.camel.processor.SendProcessor;
import org.apache.camel.processor.aggregate.AggregateProcessor;
import org.apache.camel.processor.aggregate.AggregationStrategy;
/**
* To test CAMEL-4037 that a restart of aggregator can re-initialize the timeout map
*
* @version
*/
public class AggregateProcessorTimeoutCompletionRestartTest extends ContextTestSupport {
private ExecutorService executorService;
@Override
public boolean isUseRouteBuilder() {
return false;
}
@Override
protected void setUp() throws Exception {
super.setUp();
executorService = Executors.newSingleThreadExecutor();
}
public void testAggregateProcessorTimeoutRestart() throws Exception {
MockEndpoint mock = getMockEndpoint("mock:result");
mock.expectedBodiesReceived("A+B");
mock.expectedPropertyReceived(Exchange.AGGREGATED_COMPLETED_BY, "timeout");
Processor done = new SendProcessor(context.getEndpoint("mock:result"));
Expression corr = header("id");
AggregationStrategy as = new BodyInAggregatingStrategy();
AggregateProcessor ap = new AggregateProcessor(context, done, corr, as, executorService, true);
// start with a high timeout so no completes before we stop
ap.setCompletionTimeout(2000);
ap.start();
Exchange e1 = new DefaultExchange(context);
e1.getIn().setBody("A");
e1.getIn().setHeader("id", 123);
Exchange e2 = new DefaultExchange(context);
e2.getIn().setBody("B");
e2.getIn().setHeader("id", 123);
ap.process(e1);
ap.process(e2);
// shutdown before the 2 sec timeout occurs
// however we use stop instead of shutdown as shutdown will clear the in memory aggregation repository,
ap.stop();
// should be no completed
assertEquals(0, mock.getReceivedCounter());
// start aggregator again
ap.start();
// the aggregator should restore the timeout condition and trigger timeout
assertMockEndpointsSatisfied();
assertEquals(1, mock.getReceivedCounter());
ap.shutdown();
}
public void testAggregateProcessorTimeoutExpressionRestart() throws Exception {
MockEndpoint mock = getMockEndpoint("mock:result");
mock.expectedBodiesReceived("A+B");
mock.expectedPropertyReceived(Exchange.AGGREGATED_COMPLETED_BY, "timeout");
Processor done = new SendProcessor(context.getEndpoint("mock:result"));
Expression corr = header("id");
AggregationStrategy as = new BodyInAggregatingStrategy();
AggregateProcessor ap = new AggregateProcessor(context, done, corr, as, executorService, true);
// start with a high timeout so no completes before we stop
ap.setCompletionTimeoutExpression(header("myTimeout"));
ap.start();
Exchange e1 = new DefaultExchange(context);
e1.getIn().setBody("A");
e1.getIn().setHeader("id", 123);
e1.getIn().setHeader("myTimeout", 2000);
Exchange e2 = new DefaultExchange(context);
e2.getIn().setBody("B");
e2.getIn().setHeader("id", 123);
e2.getIn().setHeader("myTimeout", 2000);
ap.process(e1);
ap.process(e2);
// shutdown before the 2 sec timeout occurs
// however we use stop instead of shutdown as shutdown will clear the in memory aggregation repository,
ap.stop();
// should be no completed
assertEquals(0, mock.getReceivedCounter());
// start aggregator again
ap.start();
// the aggregator should restore the timeout condition and trigger timeout
assertMockEndpointsSatisfied();
assertEquals(1, mock.getReceivedCounter());
ap.shutdown();
}
public void testAggregateProcessorTwoTimeoutExpressionRestart() throws Exception {
MockEndpoint mock = getMockEndpoint("mock:result");
mock.expectedBodiesReceived("C+D", "A+B");
mock.expectedPropertyReceived(Exchange.AGGREGATED_COMPLETED_BY, "timeout");
Processor done = new SendProcessor(context.getEndpoint("mock:result"));
Expression corr = header("id");
AggregationStrategy as = new BodyInAggregatingStrategy();
AggregateProcessor ap = new AggregateProcessor(context, done, corr, as, executorService, true);
// start with a high timeout so no completes before we stop
ap.setCompletionTimeoutExpression(header("myTimeout"));
ap.start();
Exchange e1 = new DefaultExchange(context);
e1.getIn().setBody("A");
e1.getIn().setHeader("id", 123);
e1.getIn().setHeader("myTimeout", 3000);
Exchange e2 = new DefaultExchange(context);
e2.getIn().setBody("B");
e2.getIn().setHeader("id", 123);
e2.getIn().setHeader("myTimeout", 3000);
Exchange e3 = new DefaultExchange(context);
e3.getIn().setBody("C");
e3.getIn().setHeader("id", 456);
e3.getIn().setHeader("myTimeout", 2000);
Exchange e4 = new DefaultExchange(context);
e4.getIn().setBody("D");
e4.getIn().setHeader("id", 456);
e4.getIn().setHeader("myTimeout", 2000);
ap.process(e1);
ap.process(e2);
ap.process(e3);
ap.process(e4);
// shutdown before the 2 sec timeout occurs
// however we use stop instead of shutdown as shutdown will clear the in memory aggregation repository,
ap.stop();
// should be no completed
assertEquals(0, mock.getReceivedCounter());
// start aggregator again
ap.start();
// the aggregator should restore the timeout condition and trigger timeout
assertMockEndpointsSatisfied();
assertEquals(2, mock.getReceivedCounter());
ap.shutdown();
}
}