/**
* 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.activemq.broker.store;
import java.util.Map;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.TimeUnit;
import junit.framework.TestCase;
import org.apache.activemq.command.ConnectionId;
import org.apache.activemq.command.LocalTransactionId;
import org.apache.activemq.command.TransactionId;
import org.apache.activemq.store.amq.AMQTransactionStore;
import org.apache.activemq.store.amq.AMQTx;
public class TransactionStoreTest extends TestCase {
protected static final int MAX_TX = 2500;
protected static final int MAX_THREADS = 200;
class BeingTested extends AMQTransactionStore {
public BeingTested() {
super(null);
}
public Map<TransactionId, AMQTx> getInFlight() {
return inflightTransactions;
}
};
BeingTested underTest = new BeingTested();
public void testConcurrentGetTx() throws Exception {
final ConnectionId connectionId = new ConnectionId("1:1");
Runnable getTx = new Runnable() {
public void run() {
for (int i=0; i<MAX_TX;i++) {
TransactionId txid = new LocalTransactionId(connectionId, i);
underTest.getTx(txid, null);
}
}
};
ExecutorService executor = Executors.newFixedThreadPool(MAX_THREADS);
for (int i=0;i < MAX_THREADS; i++) {
executor.execute(getTx);
}
executor.shutdown();
executor.awaitTermination(10, TimeUnit.SECONDS);
assertEquals("has just the right amount of transactions", MAX_TX, underTest.getInFlight().size());
}
}