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Diffstat (limited to 'qpid/cpp/include/qpid/client/Message.h')
| -rw-r--r-- | qpid/cpp/include/qpid/client/Message.h | 175 |
1 files changed, 175 insertions, 0 deletions
diff --git a/qpid/cpp/include/qpid/client/Message.h b/qpid/cpp/include/qpid/client/Message.h new file mode 100644 index 0000000000..ba50dda9ba --- /dev/null +++ b/qpid/cpp/include/qpid/client/Message.h @@ -0,0 +1,175 @@ +#ifndef QPID_CLIENT_MESSAGE_H +#define QPID_CLIENT_MESSAGE_H + +/* + * + * 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. + * + */ + +#include "qpid/client/ClientImportExport.h" +#include "qpid/framing/MessageProperties.h" +#include "qpid/framing/DeliveryProperties.h" +#include <string> + +namespace qpid { + +namespace framing { +class FieldTable; +class SequenceNumber; // FIXME aconway 2009-04-17: remove with getID? +} + +namespace client { + +class MessageImpl; + +/** + * A message sent to or received from the broker. + * + * \ingroup clientapi + * \details + * + * <h2>Getting and setting message contents</h2> + * + * <ul> + * <li> + * <p>getData()</p> + * <pre>std::cout << "Response: " << message.getData() << std::endl;</pre> + * </li> + * <li> + * <p>setData()</p> + * <pre>message.setData("That's all, folks!");</pre></li> + * <li> + * <p>appendData()</p> + * <pre>message.appendData(" ... let's add a bit more ...");</pre></li> + * </ul> + * + * <h2>Getting and Setting Delivery Properties</h2> + * + * <ul> + * <li> + * <p>getDeliveryProperties()</p> + * <pre>message.getDeliveryProperties().setRoutingKey("control");</pre> + * <pre>message.getDeliveryProperties().setDeliveryMode(PERSISTENT);</pre> + * <pre>message.getDeliveryProperties().setPriority(9);</pre> + * <pre>message.getDeliveryProperties().setTtl(100);</pre></li> + * + * <li> + * <p>hasDeliveryProperties()</p> + * <pre>if (! message.hasDeliveryProperties()) { + * ... + *}</pre></li> + * </ul> + * + * <h2>Getting and Setting Message Properties</h2> + * + * <ul> + * <li> + * <p>getMessageProperties()</p> + * <pre> + *request.getMessageProperties().setReplyTo(ReplyTo("amq.direct", response_queue.str())); + * </pre> + * <pre> + *routingKey = request.getMessageProperties().getReplyTo().getRoutingKey(); + *exchange = request.getMessageProperties().getReplyTo().getExchange(); + * </pre> + * <pre>message.getMessageProperties().setContentType("text/plain");</pre> + * <pre>message.getMessageProperties().setContentEncoding("text/plain");</pre> + * </li> + * <li> + * <p>hasMessageProperties()</p> + * <pre>request.getMessageProperties().hasReplyTo();</pre> + * </li> + * </ul> + * + * <h2>Getting and Setting Application Headers</h2> + * + * <ul> + * <li> + * <p>getHeaders()</p> + * <pre> + *message.getHeaders().getString("control"); + * </pre> + * <pre> + *message.getHeaders().setString("control","continue"); + * </pre></li> + * </ul> + * + * + */ +class QPID_CLIENT_CLASS_EXTERN Message +{ +public: + /** Create a Message. + *@param data Data for the message body. + *@param routingKey Passed to the exchange that routes the message. + */ + QPID_CLIENT_EXTERN Message( + const std::string& data=std::string(), + const std::string& routingKey=std::string()); + Message(MessageImpl*); ///< @internal + QPID_CLIENT_EXTERN Message(const Message&); + QPID_CLIENT_EXTERN ~Message(); + QPID_CLIENT_EXTERN Message& operator=(const Message&); + QPID_CLIENT_EXTERN void swap(Message&); + + QPID_CLIENT_EXTERN void setData(const std::string&); + QPID_CLIENT_EXTERN const std::string& getData() const; + QPID_CLIENT_EXTERN std::string& getData(); + + QPID_CLIENT_EXTERN void appendData(const std::string&); + + QPID_CLIENT_EXTERN bool hasMessageProperties() const; + QPID_CLIENT_EXTERN framing::MessageProperties& getMessageProperties(); + QPID_CLIENT_EXTERN const framing::MessageProperties& getMessageProperties() const; + + QPID_CLIENT_EXTERN bool hasDeliveryProperties() const; + QPID_CLIENT_EXTERN framing::DeliveryProperties& getDeliveryProperties(); + QPID_CLIENT_EXTERN const framing::DeliveryProperties& getDeliveryProperties() const; + + + /** The destination of messages sent to the broker is the exchange + * name. The destination of messages received from the broker is + * the delivery tag identifyig the local subscription (often this + * is the name of the subscribed queue.) + */ + QPID_CLIENT_EXTERN std::string getDestination() const; + + /** Check the redelivered flag. */ + QPID_CLIENT_EXTERN bool isRedelivered() const; + /** Set the redelivered flag. */ + QPID_CLIENT_EXTERN void setRedelivered(bool redelivered); + + /** Get a modifyable reference to the message headers. */ + QPID_CLIENT_EXTERN framing::FieldTable& getHeaders(); + + /** Get a non-modifyable reference to the message headers. */ + QPID_CLIENT_EXTERN const framing::FieldTable& getHeaders() const; + + // FIXME aconway 2009-04-17: does this need to be in public API? + ///@internal + QPID_CLIENT_EXTERN const framing::SequenceNumber& getId() const; + + private: + MessageImpl* impl; + friend class MessageImpl; // Helper template for implementation +}; + +}} + +#endif /*!QPID_CLIENT_MESSAGE_H*/ |