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.
- Since:
- 1.4
Field Summary
| Modifier and Type | Field | Description |
|---|---|---|
static final int |
MAXBQUALSIZE |
Maximum number of bytes returned by getBranchQualifier(). |
static final int |
MAXGTRIDSIZE |
Maximum number of bytes returned by getGlobalTransactionId(). |
Method Summary
| Modifier and Type | Method | Description |
|---|---|---|
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 Details
MAXGTRIDSIZE
static final int MAXGTRIDSIZE
Maximum number of bytes returned by
getGlobalTransactionId().- See Also:
MAXBQUALSIZE
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.
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