1 /*
2 * Copyright 2008 Eric Caspole
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this
5 * file except in compliance with the License. You may obtain a copy of the License at
6 *
7 * http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software distributed under
10 * the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
11 * KIND, either express or implied. See the License for the specific language governing
12 * permissions and limitations under the License.
13 */
14 package net.sf.madmap;
15
16 import java.util.Comparator;
17
18 public class ThreadComparator implements Comparator {
19
20 public int compare( Object aa, Object bb ) {
21
22 HprofThreadData a = (HprofThreadData) aa;
23 HprofThreadData b = (HprofThreadData) bb;
24
25 long aVal = a.addr();
26 long bVal = b.addr();
27
28 if ( aVal < bVal ) {
29 return -1;
30 } else if ( aVal == bVal ) {
31
32 assert aa.equals(bb) : "should not have 2 threads with same address";
33
34 return 0;
35 } else {
36 return 1;
37 }
38 }
39 }