Xid (Java EE 5 SDK)

Java

Java EE 5 SDK

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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's 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.


字段摘要
static int MAXBQUALSIZE
          Maximum number of bytes returned by getBqual.
static int MAXGTRIDSIZE
          Maximum number of bytes returned by getGtrid.
 
方法摘要
 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.
 

字段详细信息

MAXGTRIDSIZE

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

另请参见:
常量字段


MAXBQUALSIZE

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

另请参见:
常量字段

方法详细信息

getFormatId

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

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

getGlobalTransactionId

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

返回:
Global transaction identifier.

getBranchQualifier

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

返回:
Global transaction identifier.

Java EE 5 SDK

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