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Diffstat (limited to 'qpid/java/qpid-perftests-systests/src/test/java/org/apache/qpid/systest/disttest/clientonly/ControllerQueue.java')
-rw-r--r-- | qpid/java/qpid-perftests-systests/src/test/java/org/apache/qpid/systest/disttest/clientonly/ControllerQueue.java | 110 |
1 files changed, 110 insertions, 0 deletions
diff --git a/qpid/java/qpid-perftests-systests/src/test/java/org/apache/qpid/systest/disttest/clientonly/ControllerQueue.java b/qpid/java/qpid-perftests-systests/src/test/java/org/apache/qpid/systest/disttest/clientonly/ControllerQueue.java new file mode 100644 index 0000000000..2a108721b0 --- /dev/null +++ b/qpid/java/qpid-perftests-systests/src/test/java/org/apache/qpid/systest/disttest/clientonly/ControllerQueue.java @@ -0,0 +1,110 @@ +/* + * + * 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.qpid.systest.disttest.clientonly; + +import java.util.Map; + +import javax.jms.Connection; +import javax.jms.Destination; +import javax.jms.JMSException; +import javax.jms.Message; +import javax.jms.MessageConsumer; +import javax.jms.Session; +import javax.naming.Context; + +import org.junit.Assert; + +import org.apache.qpid.disttest.DistributedTestConstants; +import org.apache.qpid.disttest.jms.JmsMessageAdaptor; +import org.apache.qpid.disttest.message.Command; +import org.apache.qpid.disttest.message.CommandType; + +/** + * Helper for unit tests to simplify access to the Controller Queue. + * + * Implicitly creates the queue, so you must create a {@link ControllerQueue} object before + * trying to use the underlying queue. + */ +public class ControllerQueue +{ + private MessageConsumer _controllerQueueMessageConsumer; + private Session _controllerQueueSession; + + /** + * Implicitly creates the queue, so you must create a {@link ControllerQueue} object before + * trying to use the underlying queue. + * + * @param context used for looking up the controller queue {@link Destination} + */ + public ControllerQueue(Connection connection, Context context) throws Exception + { + _controllerQueueSession = connection.createSession(false, Session.AUTO_ACKNOWLEDGE); + Destination controllerQueue = (Destination) context.lookup(DistributedTestConstants.CONTROLLER_QUEUE_JNDI_NAME); + _controllerQueueMessageConsumer = _controllerQueueSession.createConsumer(controllerQueue); + } + + public <T extends Command> T getNext(long timeout) throws JMSException + { + final Message message = _controllerQueueMessageConsumer.receive(timeout); + if(message == null) + { + return null; + } + + return (T) JmsMessageAdaptor.messageToCommand(message); + } + + public void addNextResponse(Map<CommandType, Command> responses) throws JMSException + { + Command nextResponse = getNext(); + responses.put(nextResponse.getType(), nextResponse); + } + + @SuppressWarnings("unchecked") + public <T extends Command> T getNext() throws JMSException + { + return (T)getNext(true); + } + + public <T extends Command> T getNext(boolean assertMessageExists) throws JMSException + { + final Message message = _controllerQueueMessageConsumer.receive(2000); + if(assertMessageExists) + { + Assert.assertNotNull("No message received from control queue", message); + } + + if(message == null) + { + return null; + } + + T command = (T) JmsMessageAdaptor.messageToCommand(message); + + return command; + } + + public void close() throws Exception + { + _controllerQueueMessageConsumer.close(); + _controllerQueueSession.close(); + } +} |