// [License]
// The Ariba-Underlay Copyright
//
// Copyright (c) 2008-2009, Institute of Telematics, Universität Karlsruhe (TH)
//
// Institute of Telematics
// Universität Karlsruhe (TH)
// Zirkel 2, 76128 Karlsruhe
// Germany
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// 1. Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// 2. Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the distribution.
//
// THIS SOFTWARE IS PROVIDED BY THE INSTITUTE OF TELEMATICS ``AS IS'' AND
// ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
// PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE ARIBA PROJECT OR
// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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// are those of the authors and should not be interpreted as representing
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// Telematics.
// [License]

#ifndef MESSAGEPROVIDER_H_
#define MESSAGEPROVIDER_H_

#include "_namespace.h"
#include "MessageReceiver.h"
#include "ariba/utility/types/LinkID.h"
#include "ariba/utility/types/NodeID.h"
#include <vector>

using std::vector;
using ariba::utility::LinkID;
using ariba::utility::NodeID;

NAMESPACE_BEGIN


/**
 * This class defines an interface for message providers.
 * Implementing classes must allow receivers to register themselves.
 *
 * @author Sebastian Mies
 */
class MessageProvider {
private:
	vector<MessageReceiver*> receivers;

protected:
	bool sendMessageToReceivers( const Message* message );

public:
	/**
	 * Constructor.
	 */
	MessageProvider();

	/**
	 * Destructor.
	 */
	~MessageProvider();

	/**
	 * Adds a message receiver.
	 *
	 * @param receiver The receiver.
	 */
	void addMessageReceiver( MessageReceiver* receiver );

	/**
	 * Removes a message receiver.
	 *
	 * @param receiver The receiver.
	 */
	void removeMessageReceiver( MessageReceiver* receiver );
};

NAMESPACE_END

#endif /* MESSAGEPROVIDER_H_ */