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Diffstat (limited to 'sca-cpp/tags/cpp-0.1.incubating-M1-final/sdo/runtime/core/src/commonj/sdo/RefCountingObject.h')
-rw-r--r-- | sca-cpp/tags/cpp-0.1.incubating-M1-final/sdo/runtime/core/src/commonj/sdo/RefCountingObject.h | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/sca-cpp/tags/cpp-0.1.incubating-M1-final/sdo/runtime/core/src/commonj/sdo/RefCountingObject.h b/sca-cpp/tags/cpp-0.1.incubating-M1-final/sdo/runtime/core/src/commonj/sdo/RefCountingObject.h new file mode 100644 index 0000000000..2d5724a8f5 --- /dev/null +++ b/sca-cpp/tags/cpp-0.1.incubating-M1-final/sdo/runtime/core/src/commonj/sdo/RefCountingObject.h @@ -0,0 +1,59 @@ +/* + * + * 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 |