?? refcountedimpl.hpp
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#ifndef RefCountedImpl_HEADER_GUARD_#define RefCountedImpl_HEADER_GUARD_/* * Copyright 1999-2002,2004 The Apache Software Foundation. * * 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. *//* * $Id: RefCountedImpl.hpp,v 1.6 2004/09/08 13:55:44 peiyongz Exp $ *///// This file is part of the internal implementation of the C++ XML DOM.// It should NOT be included or used directly by application programs.//// Applications should include the file <xercesc/dom/deprecated/DOM.hpp> for the entire// DOM API, or DOM_*.hpp for individual DOM classes, where the class// name is substituded for the *.//#include <xercesc/util/XMemory.hpp>XERCES_CPP_NAMESPACE_BEGINclass DEPRECATED_DOM_EXPORT RefCountedImpl : public XMemory{public: int nodeRefCount; RefCountedImpl(); virtual ~RefCountedImpl(); static void addRef(RefCountedImpl *thisNode); static void removeRef(RefCountedImpl *thisNode); virtual void referenced(); // This function will be called by // the reference counting implementation // whenever the reference count transitions // from 0 to 1. virtual void unreferenced(); // unreferenced() is called whenever the // the ref count goes from 1 to 0. (Nodes are // not deleted when the ref count goes to zero // if they are in the doc tree and the tree // is still referenced, so a nodes referenced / // unreferenced state may switch many times // over its life time.)};XERCES_CPP_NAMESPACE_END#endif
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