/Users/eddyxu/work/quiplib/ace/srcs/Auto_Release_Ptr.h

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//-*- C++ -*-
#ifndef QLIB_ACE_AUTO_RELEASE_PTR_H
#define QLIB_ACE_AUTO_RELEASE_PTR_H

namespace qlib {

        namespace ace {

                template<typename T>
                        class Auto_Release_Ptr{
                        public:
                                Auto_Release_Ptr(void) : ptr_(0) {}
                                Auto_Release_Ptr(const T * ptr) : ptr_(ptr) { }
                                Auto_Release_Ptr(const Auto_Release_Ptr<T> &rhs) { *this = rhs; }
                                ~Auto_Release_Ptr(void) { ptr_->release(); } 

                                Auto_Release_Ptr & operator= (const Auto_Release_Ptr<T> &rhs) { 
                                        ptr_ = rhs.ptr_;
                                        rhs.ptr_ = NULL;
                                }

                                void assign(const T * ptr) {
                                        if(ptr_)
                                                ptr_->release();

                                        ptr_ = ptr;
                                }

                                T * get(void) const { return ptr_; }
                                T * operator->() const { return ptr_; }
                        private:
                                T * ptr_;
                        };
        }// ace
} // qlib

#endif /* QLIB_ACE_AUTO_RELEASE_PTR_H */

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