net.sourceforge.jtds.jdbcx
Class JtdsXid

java.lang.Object
  net.sourceforge.jtds.jdbcx.JtdsXid

All Implemented Interfaces:

javax.transaction.xa.Xid

public class JtdsXid

extends java.lang.Object

implements javax.transaction.xa.Xid

jTDS implementation of the Xid interface.

Version:

$Id: JtdsXid.java,v 1.3 2005-04-28 14:29:30 alin_sinpalean Exp $

Field Summary

private byte[]	bqual The branch qualifier ID.
int	fmtId The format ID.
private byte[]	gtran The global transaction ID.
int	hash Precalculated hash value.
static int	XID_SIZE The size of an XID in bytes.

Fields inherited from interface javax.transaction.xa.Xid

MAXBQUALSIZE, MAXGTRIDSIZE

Constructor Summary

JtdsXid(byte[] global, byte[] branch)
Construct an XID using two byte arrays.

JtdsXid(byte[] buf, int pos)
Construct an XID using an offset into a byte buffer.

JtdsXid(javax.transaction.xa.Xid xid)
Construct an XID as a clone of another XID.

Method Summary

private void	calculateHash()
boolean	equals(java.lang.Object obj) Test for equality.
byte[]	getBranchQualifier()
int	getFormatId()
byte[]	getGlobalTransactionId()
int	hashCode() Get the hash code for this object.
java.lang.String	toString()

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Detail

XID_SIZE

public static final int XID_SIZE

The size of an XID in bytes.

See Also:

Constant Field Values

gtran

private final byte[] gtran

The global transaction ID.

bqual

private final byte[] bqual

The branch qualifier ID.

fmtId

public final int fmtId

The format ID.

hash

public int hash

Precalculated hash value.

Constructor Detail

JtdsXid

public JtdsXid(byte[] buf,
               int pos)

Construct an XID using an offset into a byte buffer.

Parameters:

buf - the byte buffer

pos - the offset

JtdsXid

public JtdsXid(byte[] global,
               byte[] branch)

Construct an XID using two byte arrays.

Parameters:

global - the global transaction id

branch - the transaction branch

JtdsXid

public JtdsXid(javax.transaction.xa.Xid xid)

Construct an XID as a clone of another XID.

Method Detail

calculateHash

private void calculateHash()

hashCode

public int hashCode()

Get the hash code for this object.

Returns:

the hash value of this object as a int

equals

public boolean equals(java.lang.Object obj)

Test for equality.

Parameters:

obj - the object to test for equality with this

Returns:

boolean true if the parameter equals this

getFormatId

public int getFormatId()

Specified by:

getFormatId in interface javax.transaction.xa.Xid

getBranchQualifier

public byte[] getBranchQualifier()

Specified by:

getBranchQualifier in interface javax.transaction.xa.Xid

getGlobalTransactionId

public byte[] getGlobalTransactionId()

Specified by:

getGlobalTransactionId in interface javax.transaction.xa.Xid

toString

public java.lang.String toString()