AOO410/main/salhelper/inc/salhelper/condition.hxx

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 * to you under the Apache License, Version 2.0 (the
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#ifndef _SALHELPER_CONDITION_HXX_
#define _SALHELPER_CONDITION_HXX_


#include <osl/conditn.h>
#include <osl/mutex.hxx>


namespace salhelper
{
	class ConditionModifier;
	class ConditionWaiter;
	
	
	class Condition
	{
		friend class ConditionModifier;
		friend class ConditionWaiter;		
		
	public:
        
		Condition(osl::Mutex& aMutex);
        
		virtual ~Condition();
		
		
	protected:
		
		virtual bool applies() const = 0;
		
		
	private:
        Condition(Condition &); // not defined
        void operator =(Condition &); // not defined
		
		osl::Mutex&  m_aMutex;
		oslCondition m_aCondition;
	};


	
	class ConditionModifier
	{
	public:
		
		ConditionModifier(Condition& aCond);
		
		~ConditionModifier();

		
	private:
        ConditionModifier(ConditionModifier &); // not defined
        void operator =(ConditionModifier &); // not defined

		Condition& m_aCond;
	};


	
	class ConditionWaiter
	{
	public:

		ConditionWaiter(Condition& aCond);
		
        struct timedout {
            timedout();

            timedout(timedout const &);

            virtual ~timedout();

            timedout & operator =(timedout const &);
        };

		ConditionWaiter(Condition& aCond,sal_uInt32 milliSec)
			throw(
				timedout
			);
		
		
		~ConditionWaiter();
		

	private:
        ConditionWaiter(ConditionWaiter &); // not defined
        void operator =(ConditionWaiter &); // not defined

		Condition& m_aCond;
	};


}   // namespace salhelper


#endif