/* * Copyright (c) 2016, 2018, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. * */ #ifndef SHARE_VM_JFR_UTILITIES_RESOURCEMANAGER_HPP #define SHARE_VM_JFR_UTILITIES_RESOURCEMANAGER_HPP #include "memory/allocation.hpp" template class ResourceManager : public StackObj { private: T* const _resource; public: ResourceManager(T* resource) : _resource(resource) {} ~ResourceManager() { if (_resource != NULL) { delete _resource; } } operator T*() { return _resource; } T* operator->() { return _resource; } }; template class ResourceArrayManager : public StackObj { private: T* const _resource_array; public: ResourceArrayManager(T* resource_array) : _resource_array(resource_array) {} ~ResourceArrayManager() { if (_resource_array != NULL) { delete [] _resource_array; } } operator T*() { return _resource_array; } T* operator->() const { return _resource_array; } }; #endif // SHARE_VM_JFR_UTILITIES_RESOURCEMANAGER_HPP