| /* |
| * 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 T> |
| 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 T> |
| 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 |