/**************************************************************
 * 
 * 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
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#ifndef _SALHELPER_CONDITION_HXX_
#define _SALHELPER_CONDITION_HXX_


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

namespace salhelper
{
	class ConditionModifier;
	class ConditionWaiter;
	
	
	class SALHELPER_DLLPUBLIC 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 SALHELPER_DLLPUBLIC ConditionModifier
	{
	public:
		
		ConditionModifier(Condition& aCond);
		
		~ConditionModifier();

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

		Condition& m_aCond;
	};


	
	class SALHELPER_DLLPUBLIC ConditionWaiter
	{
	public:

		ConditionWaiter(Condition& aCond);
		
        struct SALHELPER_DLLPUBLIC 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