1 /* 2 * Copyright (C) 2016 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.android.bugreport.stacks; 18 19 import java.util.ArrayList; 20 21 /** 22 * Represents an instance of a held lock (java monitor object) in a thread. 23 */ 24 public class LockSnapshot implements Comparable<LockSnapshot> { 25 public static final int LOCKED = 1; 26 public static final int WAITING = 2; 27 public static final int SLEEPING = 4; 28 public static final int BLOCKED = 8; 29 30 public static final int ANY = LOCKED | WAITING | SLEEPING | BLOCKED; 31 32 public int type; 33 public String address; 34 public String packageName; 35 public String className; 36 public int threadId = -1; 37 LockSnapshot()38 public LockSnapshot() { 39 } 40 LockSnapshot(LockSnapshot that)41 public LockSnapshot(LockSnapshot that) { 42 this.type = that.type; 43 this.address = that.address; 44 this.packageName = that.packageName; 45 this.className = that.className; 46 this.threadId = that.threadId; 47 } 48 49 @Override clone()50 public LockSnapshot clone() { 51 return new LockSnapshot(this); 52 } 53 equals(LockSnapshot that)54 public boolean equals(LockSnapshot that) { 55 return this.address == that.address 56 || (this.address != null && that.address != null 57 && this.address.equals(that.address)); 58 } 59 60 @Override hashCode()61 public int hashCode() { 62 int hash = 7; 63 if (this.address != null) { 64 hash = hash * 31 + this.address.hashCode(); 65 } 66 return hash; 67 } 68 compareTo(LockSnapshot that)69 public int compareTo(LockSnapshot that) { 70 if (this.address == that.address) { 71 return 0; 72 } else if (this.address == null) { 73 return -1; 74 } else if (that.address == null) { 75 return 1; 76 } else { 77 return this.address.compareTo(that.address); 78 } 79 } 80 81 } 82 83