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();
+    }
+}