| /** |
| * 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.jms.pool; |
| |
| import static org.junit.Assert.assertEquals; |
| |
| import java.util.concurrent.Callable; |
| import java.util.concurrent.ConcurrentHashMap; |
| import java.util.concurrent.ConcurrentMap; |
| import java.util.concurrent.ExecutorService; |
| import java.util.concurrent.Executors; |
| import java.util.concurrent.Future; |
| |
| import javax.jms.Connection; |
| import javax.jms.JMSException; |
| import javax.jms.Session; |
| |
| import org.apache.activemq.ActiveMQConnectionFactory; |
| import org.apache.logging.log4j.LogManager; |
| import org.apache.logging.log4j.Logger; |
| import org.junit.Test; |
| |
| /** |
| * Checks the behavior of the PooledConnectionFactory when the maximum amount of sessions is being reached |
| * (maximumActive). When using setBlockIfSessionPoolIsFull(true) on the ConnectionFactory, further requests for sessions |
| * should block. If it does not block, its a bug. |
| */ |
| public class PooledConnectionFactoryMaximumActiveTest extends JmsPoolTestSupport { |
| |
| public final static Logger LOG = LogManager.getLogger(PooledConnectionFactoryMaximumActiveTest.class); |
| public static Connection conn = null; |
| public static int sleepTimeout = 5000; |
| |
| private static ConcurrentMap<Integer, Session> sessions = new ConcurrentHashMap<Integer, Session>(); |
| |
| public static void addSession(Session s) { |
| sessions.put(s.hashCode(), s); |
| } |
| |
| /** |
| * Tests the behavior of the sessionPool of the PooledConnectionFactory when maximum number of sessions are reached. |
| * This test uses maximumActive=1. When creating two threads that both try to create a JMS session from the same JMS |
| * connection, the thread that is second to call createSession() should block (as only 1 session is allowed) until |
| * the session is returned to pool. If it does not block, its a bug. |
| */ |
| @Test(timeout = 60000) |
| public void testApp() throws Exception { |
| // Initialize JMS connection |
| ActiveMQConnectionFactory amq = new ActiveMQConnectionFactory( |
| "vm://broker1?marshal=false&broker.useJmx=false&broker.persistent=false"); |
| |
| PooledConnectionFactory cf = new PooledConnectionFactory(); |
| cf.setConnectionFactory(amq); |
| cf.setMaxConnections(3); |
| cf.setMaximumActiveSessionPerConnection(1); |
| cf.setBlockIfSessionPoolIsFull(true); |
| conn = cf.createConnection(); |
| |
| // start test runner threads. It is expected that the second thread |
| // blocks on the call to createSession() |
| |
| ExecutorService executor = Executors.newFixedThreadPool(2); |
| executor.submit(new TestRunner2()); |
| Future<Boolean> result2 = executor.submit(new TestRunner2()); |
| |
| // sleep to allow threads to run |
| Thread.sleep(sleepTimeout); |
| |
| // second task should not have finished, instead wait on getting a |
| // JMS Session |
| assertEquals(false, result2.isDone()); |
| |
| // Only 1 session should have been created |
| assertEquals(1, sessions.size()); |
| |
| // Take all threads down |
| executor.shutdownNow(); |
| |
| cf.stop(); |
| } |
| |
| static class TestRunner2 implements Callable<Boolean> { |
| |
| public final static Logger TASK_LOG = LogManager.getLogger(TestRunner2.class); |
| |
| /** |
| * @return true if test succeeded, false otherwise |
| */ |
| @Override |
| public Boolean call() { |
| |
| Session one = null; |
| |
| // wait at most 5 seconds for the call to createSession |
| try { |
| |
| if (PooledConnectionFactoryMaximumActiveTest.conn == null) { |
| TASK_LOG.error("Connection not yet initialized. Aborting test."); |
| return Boolean.FALSE; |
| } |
| |
| one = PooledConnectionFactoryMaximumActiveTest.conn.createSession(false, Session.AUTO_ACKNOWLEDGE); |
| TASK_LOG.info("Created new Session with id" + one); |
| PooledConnectionFactoryMaximumActiveTest.addSession(one); |
| Thread.sleep(2 * PooledConnectionFactoryMaximumActiveTest.sleepTimeout); |
| } catch (Exception ex) { |
| TASK_LOG.error(ex.getMessage()); |
| return Boolean.FALSE; |
| } finally { |
| if (one != null) |
| try { |
| one.close(); |
| } catch (JMSException e) { |
| TASK_LOG.error(e.getMessage()); |
| } |
| } |
| |
| // all good, test succeeded |
| return Boolean.TRUE; |
| } |
| } |
| } |