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+/*
+ *
+ * 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.
+ *
+ */
+
+
+/**
+ *
+ * declare_queues.cpp
+ *
+ * This is one of three programs used to implement XML-based content
+ * routing in C++.
+ *
+ * declare_queues.cpp (this program)
+ *
+ * Creates a queue named "message_qaueue" on the broker,
+ * declares an XML Exchange, subscribes the queue to the XML
+ * Exchange using an XQuery in the binding, then exits.
+ *
+ * xml_producer.cpp
+ *
+ * Publishes messages to the XML Exchange.
+ *
+ * listener.cpp
+ *
+ * Reads messages from the "message_queue" queue.
+ */
+
+#include <qpid/client/Connection.h>
+#include <qpid/client/Session.h>
+
+#include <cstdlib>
+#include <iostream>
+
+using namespace qpid::client;
+using namespace qpid::framing;
+
+using std::string;
+
+
+int main(int argc, char** argv) {
+ const char* host = argc>1 ? argv[1] : "127.0.0.1";
+ int port = argc>2 ? atoi(argv[2]) : 5672;
+ Connection connection;
+
+ try {
+ connection.open(host, port);
+ Session session = connection.newSession();
+
+
+ //--------- Main body of program --------------------------------------------
+
+ // Set up queues, bind them with queries. Note that the XML exchange
+ // is not in the AMQP specification, so it is called "xml", not "amq.xml".
+ // Note that the XML exchange is not predeclared in Qpid, it must
+ // be declared by the application.
+
+ session.queueDeclare(arg::queue="message_queue");
+ session.exchangeDeclare(arg::exchange="xml", arg::type="xml");
+
+ // Application message properties are mapped to external variables
+ // in the XQuery. An XML Exchange can query message properties much
+ // like JMS, query the XML content of the message, or both.
+
+ FieldTable binding;
+ binding.setString("xquery", "declare variable $control external;"
+ "./message/id mod 2 = 1 or $control = 'end'");
+ session.exchangeBind(arg::exchange="xml", arg::queue="message_queue", arg::bindingKey="content_feed", arg::arguments=binding);
+
+ //-----------------------------------------------------------------------------
+
+ connection.close();
+ return 0;
+ } catch(const std::exception& error) {
+ std::cout << error.what() << std::endl;
+ }
+ return 1;
+
+}
+
+
+