01: /*
02: * Copyright (c) 1998-2005 Caucho Technology -- all rights reserved
03: *
04: * This file is part of Resin(R) Open Source
05: *
06: * Each copy or derived work must preserve the copyright notice and this
07: * notice unmodified.
08: *
09: * Resin Open Source is free software; you can redistribute it and/or modify
10: * it under the terms of the GNU General Public License as published by
11: * the Free Software Foundation; either version 2 of the License, or
12: * (at your option) any later version.
13: *
14: * Resin Open Source is distributed in the hope that it will be useful,
15: * but WITHOUT ANY WARRANTY; without even the implied warranty of
16: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, or any warranty
17: * of NON-INFRINGEMENT. See the GNU General Public License for more
18: * details.
19: *
20: * You should have received a copy of the GNU General Public License
21: * along with Resin Open Source; if not, write to the
22: * Free SoftwareFoundation, Inc.
23: * 59 Temple Place, Suite 330
24: * Boston, MA 02111-1307 USA
25: *
26: * @author Sam
27: */
28:
29: package com.caucho.tools.profiler;
30:
31: import java.util.Comparator;
32:
33: abstract class ProfilerNodeComparator implements
34: Comparator<ProfilerPoint> {
35: private boolean _isDescendingName;
36: private boolean _isDescending;
37:
38: public void setDescendingName(boolean isDescendingName) {
39: _isDescendingName = isDescendingName;
40: }
41:
42: public void setDescending(boolean isDescending) {
43: _isDescending = isDescending;
44: }
45:
46: abstract protected int compareImpl(ProfilerPoint o1,
47: ProfilerPoint o2);
48:
49: protected int compareLong(long l1, long l2) {
50: if (l1 < l2)
51: return -1;
52: else if (l1 == l2)
53: return 0;
54: else
55: return 1;
56: }
57:
58: public int compare(ProfilerPoint o1, ProfilerPoint o2) {
59: int cmp;
60:
61: if (_isDescending)
62: cmp = compareImpl(o2, o1);
63: else
64: cmp = compareImpl(o1, o2);
65:
66: if (cmp == 0) {
67: if (_isDescendingName)
68: cmp = o2.getName().compareTo(o1.getName());
69: else
70: cmp = o1.getName().compareTo(o2.getName());
71: }
72:
73: if (cmp == 0) {
74: if (!o1.equals(o2))
75: cmp = -1;
76: }
77:
78: return cmp;
79: }
80: }
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