Class GlobalXactId

java.lang.Object

org.apache.derby.iapi.store.access.GlobalXact

org.apache.derby.impl.store.raw.xact.GlobalXactId

All Implemented Interfaces:

Externalizable, Serializable, Formatable, TypedFormat, GlobalTransactionId

public class GlobalXactId
extends GlobalXact
implements GlobalTransactionId

See Also:

• Serialized Form

Field Summary

Fields inherited from class GlobalXact

branch_id, format_id, global_id

Constructor Summary

Constructors

Constructor	Description
GlobalXactId()	Public Methods of Formatable interface:
GlobalXactId(int format_id, byte[] global_id, byte[] branch_id)	Constructors for This class:

Method Summary

Modifier and Type	Method	Description
(package private) byte[]	getBranchQualifier()	Obtain the transaction branch qualifier as an array of bytes.
(package private) int	getFormat_Id()	Obtain the format id part of the GlobalTransactionId.
(package private) byte[]	getGlobalTransactionId()	Obtain the global transaction identifier as an array of bytes.
int	getTypeFormatId()	Return my format identifier.
void	readExternal(ObjectInput in)	Read this in
void	writeExternal(ObjectOutput out)	Write this out.

Methods inherited from class GlobalXact

equals, hashCode, toString

Methods inherited from class Object

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

Constructor Details

GlobalXactId

GlobalXactId(int format_id,
 byte[] global_id,
 byte[] branch_id)

Constructors for This class:

GlobalXactId

public GlobalXactId()

Public Methods of Formatable interface:

Method Details

writeExternal

public void writeExternal(ObjectOutput out)
                   throws IOException

Write this out.

Specified by:

writeExternal in interface Externalizable

Throws:

IOException - error writing to log stream

readExternal

public void readExternal(ObjectInput in)
                  throws IOException,
ClassNotFoundException

Read this in

Specified by:

readExternal in interface Externalizable

Throws:

IOException - error reading from log stream

ClassNotFoundException - log stream corrupted

getTypeFormatId

public int getTypeFormatId()

Return my format identifier.

Specified by:

getTypeFormatId in interface TypedFormat

Returns:

The identifier. (A UUID stuffed in an array of 16 bytes).

getFormat_Id

int getFormat_Id()

Obtain the format id part of the GlobalTransactionId.

Returns:

format identifier, 0 means the OSI CCR format

getGlobalTransactionId

byte[] getGlobalTransactionId()

Obtain the global transaction identifier as an array of bytes.

Returns:

a byte array containing the global transaction identifier

getBranchQualifier

byte[] getBranchQualifier()

Obtain the transaction branch qualifier as an array of bytes.

Returns:

a byte array containing the branch qualifier of the transaction