#ifndef _SharedObject_ #define _SharedObject_ /* * * Copyright (c) 2006 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. * */ #include #include namespace qpid { /** * Template to enforce shared object conventions. * Shared object classes should inherit : public qpid::SharedObject * That ensures Foo: * - has typedef boost::shared_ptr shared_ptr * - has virtual destructor * - is boost::noncopyable (no default copy or assign) * - has a protected default constructor. * * Shared objects should not have public constructors. * Make constructors protected and provide public statc create() * functions that return a shared_ptr. */ template class SharedObject : private boost::noncopyable { public: typedef boost::shared_ptr shared_ptr; virtual ~SharedObject() {}; protected: SharedObject() {} }; } #endif /*!_SharedObject_*/