| 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 | } |