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1
22 package org.jboss.resource.connectionmanager.xa;
23
24 import java.io.Serializable  ;
25 import java.util.Arrays ;
26
27 import javax.transaction.xa.Xid ;
28
29
35 public class JcaXid implements Serializable , Xid
36 {
37
38
39 private static final long serialVersionUID = 8226195409384804425L;
40
41
42 private int formatId;
43
44
45 private byte[] globalTransactionId;
46
47
48 private byte[] branchQualifier;
49
50
51 private transient String cachedToString;
52
53
54 private transient int cachedHashCode;
55
56
57 private boolean pad;
58
59 public JcaXid(Xid xid)
60 {
61 this(false, xid);
62
63 }
64
65 public JcaXid(boolean pad, Xid xid)
66 {
67 this.pad = pad;
68
69 branchQualifier = (pad) ? new byte[Xid.MAXBQUALSIZE] : new byte[xid.getBranchQualifier().length];
70 System.arraycopy(xid.getBranchQualifier(), 0, branchQualifier, 0, xid.getBranchQualifier().length);
71 this.globalTransactionId = xid.getGlobalTransactionId();
72 this.formatId = xid.getFormatId();
73
74 }
75
76 public byte[] getBranchQualifier()
77 {
78 return this.branchQualifier;
79 }
80
81 public int getFormatId()
82 {
83 return this.formatId;
84 }
85
86 public byte[] getGlobalTransactionId()
87 {
88 return this.globalTransactionId;
89 }
90
91 public boolean equals(Object object)
92 {
93 if (object == null || (object instanceof Xid ) == false)
94 return false;
95
96 Xid other = (Xid ) object;
97 return
98 (
99 formatId == other.getFormatId() &&
100 Arrays.equals(globalTransactionId, other.getGlobalTransactionId()) &&
101 Arrays.equals(branchQualifier, other.getBranchQualifier())
102 );
103 }
104
105 public int hashCode()
106 {
107 if (cachedHashCode == 0)
108 {
109 cachedHashCode = formatId;
110 for (int i = 0; i < globalTransactionId.length; ++i)
111 cachedHashCode += globalTransactionId[i];
112 }
113 return cachedHashCode;
114 }
115
116 public String toString()
117 {
118 if (cachedToString == null)
119 {
120 StringBuffer buffer = new StringBuffer ();
121 buffer.append("JcaXid[FormatId=").append(getFormatId());
122 buffer.append(" GlobalId=").append(new String (getGlobalTransactionId()).trim());
123 byte[] branchQualifer = getBranchQualifier();
124 buffer.append(" BranchQual=");
125 if (branchQualifer == null)
126 buffer.append("null");
127 else
128 buffer.append(new String (getBranchQualifier()).trim());
129 buffer.append(']');
130 cachedToString = buffer.toString();
131 }
132 return cachedToString;
133 }
134 }
135 |
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