1/*
2 * Copyright (c) 2016, 2019, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
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23 */
24
25#ifndef SHARE_JFR_UTILITIES_JFRRESOURCEMANAGER_HPP
26#define SHARE_JFR_UTILITIES_JFRRESOURCEMANAGER_HPP
27
28#include "memory/allocation.hpp"
29
30template <class T>
31class ResourceManager : public StackObj {
32 private:
33 T* const _resource;
34 public:
35 ResourceManager(T* resource) : _resource(resource) {}
36 ~ResourceManager() {
37 if (_resource != NULL) {
38 delete _resource;
39 }
40 }
41 operator T*() { return _resource; }
42 T* operator->() { return _resource; }
43};
44
45template <class T>
46class ResourceArrayManager : public StackObj {
47 private:
48 T* const _resource_array;
49 public:
50 ResourceArrayManager(T* resource_array) : _resource_array(resource_array) {}
51 ~ResourceArrayManager() {
52 if (_resource_array != NULL) {
53 delete [] _resource_array;
54 }
55 }
56 operator T*() { return _resource_array; }
57 T* operator->() const { return _resource_array; }
58};
59
60#endif // SHARE_JFR_UTILITIES_JFRRESOURCEMANAGER_HPP
61