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#ifndef _IncomingMessage_
#define _IncomingMessage_
/*
*
* 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 "sys/Mutex.h"
#include <map>
#include <vector>
namespace qpid {
namespace client {
class Message;
/**
* Manage incoming messages.
*
* Uses reference and destination concepts from 0-9 Messsage class.
*
* Basic messages use special destination and reference names to indicate
* get-ok, return etc. messages.
*
*/
class IncomingMessage {
public:
/** Accumulate data associated with a set of messages. */
struct Reference {
std::string data;
std::vector<Message> messages;
};
/** Interface to a destination for messages. */
class Destination {
public:
virtual ~Destination();
/** Pass a message to the destination */
virtual void message(const Message&) = 0;
/** Notify destination of queue-empty contition */
virtual void empty() = 0;
};
/** Add a reference. Throws if already open. */
void openReference(const std::string& name);
/** Get a reference. Throws if not already open. */
void appendReference(const std::string& name,
const std::string& data);
/** Create a message to destination associated with reference
*@exception if destination or reference non-existent.
*/
Message& createMessage(const std::string& destination,
const std::string& reference);
/** Get a reference.
*@exception if non-existent.
*/
Reference& getReference(const std::string& name);
/** Close a reference and deliver all its messages.
* Throws if not open or a message has an invalid destination.
*/
void closeReference(const std::string& name);
/** Add a destination.
*@exception if a different Destination is already registered
* under name.
*/
void addDestination(std::string name, Destination&);
/** Remove a destination. Throws if does not exist */
void removeDestination(std::string name);
/** Get a destination. Throws if does not exist */
Destination& getDestination(const std::string& name);
private:
typedef std::map<std::string, Reference> ReferenceMap;
typedef std::map<std::string, Destination*> DestinationMap;
Reference& getRefUnlocked(const std::string& name);
Destination& getDestUnlocked(const std::string& name);
mutable sys::Mutex lock;
ReferenceMap references;
DestinationMap destinations;
};
}}
#endif
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