#ifndef _pac_h
#define _pac_h

class TopLevelAgent
{

private:
	IntermediateLevelAgent* intermediateAgent;
	BottomLevelAgent* bottomAgent;

public:
	TopLevelAgent(): intermediateAgent(0),
		bottomAgent(0)
	{
	};

	IntermediateLevelAgent* getIntermediateAgent()
	{
		return intermediateAgent;
	};

	void setIntermediateAgent( IntermediateLevelAgent* agent )
	{
		intermediateAgent = agent;
	};

	BottomLevelAgent* getBottomAgent()
	{
		return bottomAgent;
	};

	void setBottomAgent( BottomLevelAgent* agent )
	{
		bottomAgent = agent;
	};
};

class IntermediateLevelAgent
{

private:
	TopLevelAgent* topAgent;
	IntermediateLevelAgent* intermediateAgent;
	BottomLevelAgent* bottomAgent;

public:
	IntermediateLevelAgent(): topAgent(0),
		intermediateAgent(0), bottomAgent(0)
	{
	};

	TopLevelAgent* getTopAgent()
	{
		return topAgent;
	};

	void setTopAgent( TopLevelAgent* agent )
	{
		topAgent = agent;
	};

	IntermediateLevelAgent* getIntermediateAgent()
	{
		return intermediateAgent;
	};

	void setIntermediateAgent( IntermediateLevelAgent* agent )
	{
		intermediateAgent = agent;
	};

	BottomLevelAgent* getBottomAgent()
	{
		return bottomAgent;
	};

	void setBottomAgent( BottomLevelAgent* agent )
	{
		bottomAgent = agent;
	};
};

class BottomLevelAgent
{

private:
	TopLevelAgent* topAgent;
	IntermediateLevelAgent* intermediateAgent;

public:
	BottomLevelAgent(): topAgent(0),
		intermediateAgent(0)
	{
	};

	TopLevelAgent* getTopAgent()
	{
		return topAgent;
	};

	void setTopAgent( TopLevelAgent* agent )
	{
		topAgent = agent;
	};

	IntermediateLevelAgent* getIntermediateAgent()
	{
		return intermediateAgent;
	};

	void setIntermediateAgent( IntermediateLevelAgent* agent )
	{
		intermediateAgent = agent;
	};
};

#endif