Author: arnaudsimon
Date: Thu Feb 5 15:56:26 2009
New Revision: 741151
URL: http://svn.apache.org/viewvc?rev=741151&view=rev
Log:
qpid-1647: Added headers exchange example
Added:
qpid/trunk/qpid/java/client/example/src/main/java/org/apache/qpid/example/amqpexample/headers/
qpid/trunk/qpid/java/client/example/src/main/java/org/apache/qpid/example/amqpexample/headers/DeclareQueue.java
qpid/trunk/qpid/java/client/example/src/main/java/org/apache/qpid/example/amqpexample/headers/Listener.java
qpid/trunk/qpid/java/client/example/src/main/java/org/apache/qpid/example/amqpexample/headers/Producer.java
Added:
qpid/trunk/qpid/java/client/example/src/main/java/org/apache/qpid/example/amqpexample/headers/DeclareQueue.java
URL:
http://svn.apache.org/viewvc/qpid/trunk/qpid/java/client/example/src/main/java/org/apache/qpid/example/amqpexample/headers/DeclareQueue.java?rev=741151&view=auto
==============================================================================
---
qpid/trunk/qpid/java/client/example/src/main/java/org/apache/qpid/example/amqpexample/headers/DeclareQueue.java
(added)
+++
qpid/trunk/qpid/java/client/example/src/main/java/org/apache/qpid/example/amqpexample/headers/DeclareQueue.java
Thu Feb 5 15:56:26 2009
@@ -0,0 +1,74 @@
+package org.apache.qpid.example.amqpexample.headers;
+/*
+ *
+ * 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.
+ *
+ */
+
+
+import org.apache.qpid.transport.Connection;
+import org.apache.qpid.transport.Session;
+
+import java.util.Map;
+import java.util.HashMap;
+
+
+public class DeclareQueue
+{
+
+ /**
+ * Creates 2 queues and bind them to an headers exchange. One queue
receives messages with both
+ * properties H1 and H2 and the other queue receives messages with either
one of those properties.
+ */
+ public static void main(String[] args)
+ {
+ // Create connection
+ Connection con = new Connection();
+ con.connect("localhost", 5672, "test", "guest", "guest",false);
+
+ // Create session
+ Session session = con.createSession(0);
+
+ // declare and bind queues
+ session.queueDeclare("headers_queue_any", null, null);
+ session.queueDeclare("headers_queue_all", null, null);
+ // we need to declare the header: name, type, alternate exchange
+ session.exchangeDeclare("test.headers", "headers", "amq.direct", null);
+ // The matching algorithm is controlled by 'x-match' property
+ // 'x-match' can take one of two values,
+ // (i) 'all' implies that all the other pairs must match the headers
+ // property of a message for that message to be routed (i.e. an AND
match)
+ // (ii) 'any' implies that the message should be routed if any of the
+ // fields in the headers property match one of the fields in the
arguments table (i.e. an OR match)
+ Map<String, Object> arguments = new HashMap<String, Object>();
+ arguments.put("x-match", "any");
+ arguments.put("h1", "v1");
+ arguments.put("h2", "v2");
+ session.exchangeBind("headers_queue_any", "test.headers", "useless",
arguments);
+ arguments = new HashMap<String, Object>();
+ arguments.put("x-match", "all");
+ arguments.put("h1", "v1");
+ arguments.put("h2", "v2");
+ session.exchangeBind("headers_queue_all", "test.headers", "useless",
arguments);
+ // confirm completion
+ session.sync();
+ //cleanup
+ session.close();
+ con.close();
+ }
+}
Added:
qpid/trunk/qpid/java/client/example/src/main/java/org/apache/qpid/example/amqpexample/headers/Listener.java
URL:
http://svn.apache.org/viewvc/qpid/trunk/qpid/java/client/example/src/main/java/org/apache/qpid/example/amqpexample/headers/Listener.java?rev=741151&view=auto
==============================================================================
---
qpid/trunk/qpid/java/client/example/src/main/java/org/apache/qpid/example/amqpexample/headers/Listener.java
(added)
+++
qpid/trunk/qpid/java/client/example/src/main/java/org/apache/qpid/example/amqpexample/headers/Listener.java
Thu Feb 5 15:56:26 2009
@@ -0,0 +1,105 @@
+/*
+ *
+ * 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.example.amqpexample.headers;
+
+
+import org.apache.qpid.transport.*;
+
+import java.util.concurrent.CountDownLatch;
+import java.util.concurrent.TimeUnit;
+
+public class Listener implements SessionListener
+{
+ private static CountDownLatch _countDownLatch = new CountDownLatch(1);
+
+ public void opened(Session ssn) {}
+
+ public void message(Session ssn, MessageTransfer xfr)
+ {
+ String body = xfr.getBodyString();
+ System.out.println("Message: " + body);
+ if ( body.equals("That's all, folks!"))
+ {
+ System.out.println("Received final message");
+ _countDownLatch.countDown();
+ }
+ }
+
+ public void exception(Session ssn, SessionException exc)
+ {
+ exc.printStackTrace();
+ }
+
+ public void closed(Session ssn) {}
+
+ /**
+ * Receives messages from queue ANY and then ALL
+ */
+ public static void main(String[] args) throws InterruptedException
+ {
+ // Create connection
+ Connection con = new Connection();
+ con.connect("localhost", 5672, "test", "guest", "guest",false);
+
+ // Create session
+ Session session = con.createSession(0);
+ // we expect to receive all the messages
+ Consume(session, "headers_queue_any");
+ // we expect to receive only messages that have both properties set.
+ Consume(session, "headers_queue_all");
+
+ //cleanup
+ session.close();
+ con.close();
+ }
+
+ private static void Consume(Session session, String queueName) throws
InterruptedException
+ {
+ System.out.println("Consuming messages for queue " + queueName);
+ _countDownLatch = new CountDownLatch(1);
+ // Create an instance of the listener
+ Listener listener = new Listener();
+ session.setSessionListener(listener);
+
+ // create a subscription
+ session.messageSubscribe(queueName,
+ "listener_destination",
+ MessageAcceptMode.NONE,
+ MessageAcquireMode.PRE_ACQUIRED,
+ null, 0, null);
+
+
+ // issue credits
+ session.messageFlow("listener_destination", MessageCreditUnit.BYTE,
Session.UNLIMITED_CREDIT);
+ session.messageFlow("listener_destination", MessageCreditUnit.MESSAGE,
100);
+ // confirm completion
+ session.sync();
+
+ // wait to receive all the messages
+ System.out.println("Waiting 100 seconds for messages from queue " +
queueName);
+
+ _countDownLatch.await(30, TimeUnit.SECONDS);
+ System.out.println("Shutting down listener for " + queueName);
+ System.out.println("=========================================");
+ session.messageCancel("listener_destination");
+ }
+
+}
Added:
qpid/trunk/qpid/java/client/example/src/main/java/org/apache/qpid/example/amqpexample/headers/Producer.java
URL:
http://svn.apache.org/viewvc/qpid/trunk/qpid/java/client/example/src/main/java/org/apache/qpid/example/amqpexample/headers/Producer.java?rev=741151&view=auto
==============================================================================
---
qpid/trunk/qpid/java/client/example/src/main/java/org/apache/qpid/example/amqpexample/headers/Producer.java
(added)
+++
qpid/trunk/qpid/java/client/example/src/main/java/org/apache/qpid/example/amqpexample/headers/Producer.java
Thu Feb 5 15:56:26 2009
@@ -0,0 +1,88 @@
+/*
+ *
+ * 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.example.amqpexample.headers;
+
+import org.apache.qpid.transport.*;
+import java.util.Map;
+import java.util.HashMap;
+
+
+public class Producer
+{
+ /**
+ * Sends 10 messages with a single property and 10 messages
+ * with 2 properties to a headers exchange.
+ */
+ public static void main(String[] args)
+ {
+ // Create connection
+ org.apache.qpid.transport.Connection con = new
org.apache.qpid.transport.Connection();
+ con.connect("localhost", 5672, "test", "guest", "guest",false);
+
+ // Create session
+ org.apache.qpid.transport.Session session = con.createSession(0);
+ DeliveryProperties deliveryProps = new DeliveryProperties();
+
+ // set message headers
+ MessageProperties messageProperties = new MessageProperties();
+ Map<String, Object> messageHeaders = new HashMap<String, Object>();
+ // set the message property
+ messageHeaders.put("h1", "v1");
+ messageProperties.setApplicationHeaders(messageHeaders);
+ Header header = new Header(deliveryProps, messageProperties);
+
+ for (int i=0; i<10; i++)
+ {
+ session.messageTransfer("test.headers",
MessageAcceptMode.EXPLICIT,MessageAcquireMode.PRE_ACQUIRED,
+ header,
+ "Message H1: " + i);
+ }
+
+ // set message headers
+ messageProperties = new MessageProperties();
+ messageHeaders = new HashMap<String, Object>();
+ // set the message properties
+ messageHeaders.put("h1", "v1");
+ messageHeaders.put("h2", "v2");
+ messageProperties.setApplicationHeaders(messageHeaders);
+ header = new Header(deliveryProps, messageProperties);
+
+ for (int i=0; i<10; i++)
+ {
+ session.messageTransfer("test.headers",
MessageAcceptMode.EXPLICIT,MessageAcquireMode.PRE_ACQUIRED,
+ header,
+ "Message H1 and H2: " + i);
+ }
+
+
+ session.messageTransfer("test.headers",
MessageAcceptMode.EXPLICIT,MessageAcquireMode.PRE_ACQUIRED,
+ header,
+ "That's all, folks!" );
+
+ // confirm completion
+ session.sync();
+
+ //cleanup
+ session.close();
+ con.close();
+ }
+
+}
---------------------------------------------------------------------
Apache Qpid - AMQP Messaging Implementation
Project: http://qpid.apache.org
Use/Interact: mailto:commits-subscr...@qpid.apache.org
