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1
4 package com.tc.object.lockmanager.api;
5
6 import org.apache.commons.lang.builder.HashCodeBuilder;
7
8 import com.tc.io.TCByteBufferInputStream;
9 import com.tc.io.TCByteBufferOutput;
10 import com.tc.io.TCSerializable;
11
12 import java.io.IOException  ;
13
14 public class Notify implements TCSerializable {
15
16 public static final Notify NULL = new Notify(true);
17
18 private LockID lockID;
19 private ThreadID threadID;
20 private boolean all;
21 private boolean initialized;
22 private int hashCode;
23 private final boolean isNull;
24
25 public Notify(LockID lockID, ThreadID threadID, boolean all) {
26 isNull = false;
27 initialize(lockID, threadID, all);
28 }
29
30 public Notify() {
31 isNull = false;
32 }
33
34 private Notify(boolean isNull) {
35 this.isNull = isNull;
36 }
37
38 public boolean isNull() {
39 return this.isNull;
40 }
41
42 private void initialize(LockID l, ThreadID id, boolean isAll) {
43 if (initialized) throw new AssertionError ("Attempt to initialize twice");
44 this.lockID = l;
45 this.threadID = id;
46 this.all = isAll;
47 hashCode = new HashCodeBuilder(5503, 6737).append(lockID).append(threadID).append(isAll).toHashCode();
48 initialized = true;
49 }
50
51 public void serializeTo(TCByteBufferOutput out) {
52 if (!initialized) throw new AssertionError ("Attempt to serialize an uninitialized Notify.");
53 out.writeString(this.lockID.asString());
54 out.writeLong(this.threadID.toLong());
55 out.writeBoolean(this.all);
56 }
57
58 public Object deserializeFrom(TCByteBufferInputStream in) throws IOException {
59 initialize(new LockID(in.readString()), new ThreadID(in.readLong()), in.readBoolean());
60 return this;
61 }
62
63 public int hashCode() {
64 if (!initialized) throw new AssertionError ("Called hashCode before initializing.");
65 return hashCode;
66 }
67
68 public boolean equals(Object o) {
69 if (!(o instanceof Notify)) return false;
70 Notify cmp = (Notify) o;
71 return this.lockID.equals(cmp.lockID) && this.threadID.equals(cmp.threadID) && this.all == cmp.all;
72 }
73
74 public String toString() {
75 return getClass().getName() + "[" + lockID + ", " + threadID + ", " + "all: " + all + "]";
76 }
77
78 public ThreadID getThreadID() {
79 return this.threadID;
80 }
81
82 public LockID getLockID() {
83 return this.lockID;
84 }
85
86 public boolean getIsAll() {
87 return this.all;
88 }
89 }
90 |
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