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 * 
 * Licensed to the Apache Software Foundation (ASF) under one
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 * 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,
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#ifndef _SFXIDPOOL_HXX
#define _SFXIDPOOL_HXX

#include <limits.h>		// USHRT_MAX
#include "bitset.hxx"

// class IdPool ----------------------------------------------------------

class IdPool: private BitSet
{
private:
	sal_uInt16 nNextFree;
	sal_uInt16 nRange;
	sal_uInt16 nOffset;
public:
	sal_Bool Lock( const BitSet& rLockSet );
	sal_Bool IsLocked( sal_uInt16 nId ) const;
	IdPool( sal_uInt16 nMin = 1, sal_uInt16 nMax = USHRT_MAX );
	sal_uInt16 Get();
	sal_Bool Put( sal_uInt16 nId );
	sal_Bool Lock( const Range& rRange );
	sal_Bool Lock( sal_uInt16 nId );

};

//------------------------------------------------------------------------

// returns sal_True if the id is locked

inline sal_Bool IdPool::IsLocked( sal_uInt16 nId ) const
{
	return ( this->Contains(nId-nOffset) );
}


#endif