JavaTM 2 Platform
Std. Ed. v1.4.2

javax.transaction.xa
Interface Xid


public interface Xid

The Xid interface is a Java mapping of the X/Open transaction identifier XID structure. This interface specifies three accessor methods to retrieve a global transaction format ID, global transaction ID, and branch qualifier. The Xid interface is used by the transaction manager and the resource managers. This interface is not visible to the application programs.


Field Summary
static int MAXBQUALSIZE
          Maximum number of bytes returned by getBqual.
static int MAXGTRIDSIZE
          Maximum number of bytes returned by getGtrid.
 
Method Summary
 byte[] getBranchQualifier()
          Obtain the transaction branch identifier part of XID as an array of bytes.
 int getFormatId()
          Obtain the format identifier part of the XID.
 byte[] getGlobalTransactionId()
          Obtain the global transaction identifier part of XID as an array of bytes.
 

Field Detail

MAXGTRIDSIZE

public static final int MAXGTRIDSIZE
Maximum number of bytes returned by getGtrid.

See Also:
Constant Field Values

MAXBQUALSIZE

public static final int MAXBQUALSIZE
Maximum number of bytes returned by getBqual.

See Also:
Constant Field Values
Method Detail

getFormatId

public int getFormatId()
Obtain the format identifier part of the XID.

Returns:
Format identifier. O means the OSI CCR format.

getGlobalTransactionId

public byte[] getGlobalTransactionId()
Obtain the global transaction identifier part of XID as an array of bytes.

Returns:
Global transaction identifier.

getBranchQualifier

public byte[] getBranchQualifier()
Obtain the transaction branch identifier part of XID as an array of bytes.

Returns:
Global transaction identifier.

JavaTM 2 Platform
Std. Ed. v1.4.2

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For further API reference and developer documentation, see Java 2 SDK SE Developer Documentation. That documentation contains more detailed, developer-targeted descriptions, with conceptual overviews, definitions of terms, workarounds, and working code examples.

Copyright 2003 Sun Microsystems, Inc. All rights reserved. Use is subject to license terms. Also see the documentation redistribution policy.


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