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Diffstat (limited to 'cpp/src/qpid/SharedObject.h')
-rw-r--r-- | cpp/src/qpid/SharedObject.h | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/cpp/src/qpid/SharedObject.h b/cpp/src/qpid/SharedObject.h new file mode 100644 index 0000000000..15f333173a --- /dev/null +++ b/cpp/src/qpid/SharedObject.h @@ -0,0 +1,52 @@ +#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 <boost/shared_ptr.hpp> +#include <boost/noncopyable.hpp> + +namespace qpid { + /** + * Template to enforce shared object conventions. + * Shared object classes should inherit : public qpid::SharedObject + * That ensures Foo: + * - has typedef boost::shared_ptr<T> SharedPtr + * - 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 SharedPtr. + */ + template <class T> + class SharedObject : private boost::noncopyable + { + public: + typedef boost::shared_ptr<T> SharedPtr; + + virtual ~SharedObject() {}; + + protected: + SharedObject() {} + }; +} + +#endif /*!_SharedObject_*/ |