| /** |
| * 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.usecases; |
| |
| import java.io.IOException; |
| import java.net.URI; |
| import java.util.Enumeration; |
| import javax.jms.Connection; |
| import javax.jms.Message; |
| import javax.jms.MessageProducer; |
| import javax.jms.QueueBrowser; |
| import javax.jms.Session; |
| import org.apache.activemq.ActiveMQConnectionFactory; |
| import org.apache.activemq.broker.BrokerService; |
| import org.apache.activemq.broker.TransportConnector; |
| import org.apache.activemq.broker.region.policy.PolicyEntry; |
| import org.apache.activemq.broker.region.policy.PolicyMap; |
| import org.apache.activemq.command.ActiveMQQueue; |
| import org.junit.After; |
| import org.junit.Before; |
| import org.junit.Test; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| |
| import static org.junit.Assert.assertEquals; |
| |
| public class QueueBrowsingLimitTest { |
| |
| private static final Logger LOG = LoggerFactory.getLogger(QueueBrowsingLimitTest.class); |
| |
| private BrokerService broker; |
| private URI connectUri; |
| private ActiveMQConnectionFactory factory; |
| private final int browserLimit = 300; |
| |
| |
| @Before |
| public void startBroker() throws Exception { |
| broker = createBroker(); |
| TransportConnector connector = broker.addConnector("tcp://0.0.0.0:0"); |
| broker.deleteAllMessages(); |
| broker.start(); |
| broker.waitUntilStarted(); |
| |
| PolicyEntry policy = new PolicyEntry(); |
| policy.setMaxBrowsePageSize(browserLimit); |
| broker.setDestinationPolicy(new PolicyMap()); |
| broker.getDestinationPolicy().setDefaultEntry(policy); |
| |
| connectUri = connector.getConnectUri(); |
| factory = new ActiveMQConnectionFactory(connectUri); |
| |
| } |
| |
| public BrokerService createBroker() throws IOException { |
| return new BrokerService(); |
| } |
| |
| @After |
| public void stopBroker() throws Exception { |
| broker.stop(); |
| broker.waitUntilStopped(); |
| } |
| |
| @Test |
| public void testBrowsingLimited() throws Exception { |
| |
| int messageToSend = 470; |
| |
| ActiveMQQueue queue = new ActiveMQQueue("TEST"); |
| Connection connection = factory.createConnection(); |
| connection.start(); |
| Session session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE); |
| MessageProducer producer = session.createProducer(queue); |
| |
| String data = ""; |
| for( int i=0; i < 1024*2; i++ ) { |
| data += "x"; |
| } |
| |
| for( int i=0; i < messageToSend; i++ ) { |
| producer.send(session.createTextMessage(data)); |
| } |
| |
| QueueBrowser browser = session.createBrowser(queue); |
| Enumeration<?> enumeration = browser.getEnumeration(); |
| int received = 0; |
| while (enumeration.hasMoreElements()) { |
| Message m = (Message) enumeration.nextElement(); |
| received++; |
| LOG.info("Browsed message " + received + ": " + m.getJMSMessageID()); |
| } |
| |
| browser.close(); |
| |
| assertEquals(browserLimit, received); |
| } |
| } |