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/*
*
* Copyright 2005 The Apache Software Foundation or its licensors, as applicable.
*
* Licensed 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 under the License.
*/
/* $Rev$ $Date: 2005/12/22 16:54:15 $ */
#ifndef _REFCOUNTINGOBJECT_H
#define _REFCOUNTINGOBJECT_H
#include "commonj/sdo/export.h"
namespace commonj {
namespace sdo {
/**
* RefcountingObject is the base class for all objects in SDO
* These objects keep a count of references to themselves, then
* free themselves when they are unused.
*/
class RefCountingObject
{
public:
SDO_API RefCountingObject();
SDO_API RefCountingObject(const RefCountingObject& rc);
SDO_API RefCountingObject& operator=(const RefCountingObject& rc);
SDO_API virtual ~RefCountingObject() = 0;
/**
* Add to the reference count - a new pointer has been created.
*/
SDO_API void addRef();
/**
* Subtract from the the reference count - a reference has dropped.
*/
SDO_API void releaseRef();
private:
unsigned int refCount;
static long allObs;
};
};
};
#endif
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