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.
- Since:
- 1.4
-
Field Summary
Modifier and TypeFieldDescriptionstatic final int
Maximum number of bytes returned bygetBranchQualifier()
.static final int
Maximum number of bytes returned bygetGlobalTransactionId()
. -
Method Summary
Modifier and TypeMethodDescriptionbyte[]
Obtain the transaction branch identifier part of XID as an array of bytes.int
Obtain the format identifier part of the XID.byte[]
Obtain the global transaction identifier part of XID as an array of bytes.
-
Field Details
-
MAXGTRIDSIZE
static final int MAXGTRIDSIZEMaximum number of bytes returned bygetGlobalTransactionId()
.- See Also:
-
MAXBQUALSIZE
static final int MAXBQUALSIZEMaximum number of bytes returned bygetBranchQualifier()
.- See Also:
-
-
Method Details
-
getFormatId
int getFormatId()Obtain the format identifier part of the XID.- Returns:
- Format identifier. O means the OSI CCR format.
-
getGlobalTransactionId
byte[] getGlobalTransactionId()Obtain the global transaction identifier part of XID as an array of bytes.- Returns:
- Global transaction identifier.
-
getBranchQualifier
byte[] getBranchQualifier()Obtain the transaction branch identifier part of XID as an array of bytes.- Returns:
- Global transaction identifier.
-