Mercurial > hg > truffle

comparison truffle/com.oracle.truffle.object/src/com/oracle/truffle/object/DebugCounter.java @ 22082:062c512dd677

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
There is no place for DebugCounter in Truffle API
author Jaroslav Tulach <jaroslav.tulach@oracle.com>
date Mon, 17 Aug 2015 10:44:54 +0200
parents truffle/com.oracle.truffle.api.object/src/com/oracle/truffle/api/object/DebugCounter.java@9c8c0937da41
children dc83cc1f94f2
comparison
equal deleted inserted replaced
22081:ff531952a91c 22082:062c512dd677
1 /*
2 * Copyright (c) 2014, 2014, 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 package com.oracle.truffle.object;
24
25 import java.io.*;
26 import java.util.*;
27 import java.util.concurrent.atomic.*;
28
29 public final class DebugCounter {
30 private static final ArrayList<DebugCounter> allCounters = new ArrayList<>();
31
32 private final String name;
33 private final AtomicLong value;
34
35 private DebugCounter(String name) {
36 this.name = name;
37 this.value = new AtomicLong();
38 allCounters.add(this);
39 }
40
41 public static DebugCounter create(String name) {
42 return new DebugCounter(name);
43 }
44
45 public long get() {
46 return value.get();
47 }
48
49 public void inc() {
50 value.incrementAndGet();
51 }
52
53 @Override
54 public String toString() {
55 return name + ": " + value;
56 }
57
58 public static void dumpCounters() {
59 dumpCounters(System.out);
60 }
61
62 public static void dumpCounters(PrintStream out) {
63 for (DebugCounter counter : allCounters) {
64 out.println(counter);
65 }
66 }
67 }