src/share/vm/jfr/leakprofiler/checkpoint/objectSampleWriter.hpp

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1 /*
2 * Copyright (c) 2014, 2018, 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
21 * questions.
22 *
23 */
24
25 #ifndef SHARE_VM_LEAKPROFILER_CHECKPOINT_OBJECTSAMPLEWRITER_HPP
26 #define SHARE_VM_LEAKPROFILER_CHECKPOINT_OBJECTSAMPLEWRITER_HPP
27
28 #include "memory/allocation.hpp"
29
30 class Edge;
31 class EdgeStore;
32 class JfrCheckpointWriter;
33 class RoutableEdge;
34
35 class ObjectSampleWriter : public StackObj {
36 private:
37 JfrCheckpointWriter& _writer;
38 const EdgeStore* const _store;
39
40 void write(const RoutableEdge* edge);
41 void write_chain(const RoutableEdge& edge);
42
43 public:
44 ObjectSampleWriter(JfrCheckpointWriter& writer, const EdgeStore* store);
45 ~ObjectSampleWriter();
46
47 bool operator()(const RoutableEdge& edge);
48 };
49
50 #endif // SHARE_VM_LEAKPROFILER_CHECKPOINT_OBJECTSAMPLEWRITER_HPP

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