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ActiveMQ example source code file (VMTransportWaitForTest.java)
The ActiveMQ VMTransportWaitForTest.java source code/** * 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.transport.vm; import java.net.URI; import java.util.concurrent.CountDownLatch; import java.util.concurrent.TimeUnit; import javax.jms.JMSException; import junit.framework.TestCase; import org.apache.activemq.ActiveMQConnectionFactory; import org.apache.activemq.broker.BrokerService; public class VMTransportWaitForTest extends TestCase { private static final String VM_BROKER_URI_NO_WAIT = "vm://localhost?broker.persistent=false&create=false"; private static final String VM_BROKER_URI_WAIT_FOR_START = VM_BROKER_URI_NO_WAIT + "&waitForStart=20000"; CountDownLatch started = new CountDownLatch(1); CountDownLatch gotConnection = new CountDownLatch(1); public void testWaitFor() throws Exception { try { ActiveMQConnectionFactory cf = new ActiveMQConnectionFactory(new URI(VM_BROKER_URI_NO_WAIT)); cf.createConnection(); fail("expect broker not exist exception"); } catch (JMSException expectedOnNoBrokerAndNoCreate) { } // spawn a thread that will wait for an embedded broker to start via vm://.. Thread t = new Thread() { public void run() { try { started.countDown(); ActiveMQConnectionFactory cf = new ActiveMQConnectionFactory(new URI(VM_BROKER_URI_WAIT_FOR_START)); cf.createConnection(); gotConnection.countDown(); } catch (Exception e) { e.printStackTrace(); fail("unexpected exception: " + e); } } }; t.start(); started.await(20, TimeUnit.SECONDS); Thread.yield(); assertFalse("has not got connection", gotConnection.await(2, TimeUnit.SECONDS)); BrokerService broker = new BrokerService(); broker.setPersistent(false); broker.addConnector("tcp://localhost:61616"); broker.start(); assertTrue("has got connection", gotConnection.await(400, TimeUnit.MILLISECONDS)); broker.stop(); } } Other ActiveMQ examples (source code examples)Here is a short list of links related to this ActiveMQ VMTransportWaitForTest.java source code file: |
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