org.apache.derby.iapi.store.raw
Interface GlobalTransactionId

All Superinterfaces:

java.io.Externalizable, Formatable, java.io.Serializable, TypedFormat

All Known Implementing Classes:

GlobalXactId

public interface GlobalTransactionId
extends Formatable

A transaction identifier that is unique among all raw stores and all transactions The equals() method for TransactionId implements by value equality. MT - immutable

Method Summary

byte[]	getBranchQualifier() Obtain the transaction branch qualifier part of the GlobalTransactionId in a byte array.
int	getFormat_Id() Obtain the format id part of the GlobalTransactionId.
byte[]	getGlobalTransactionId() Obtain the global transaction identifier part of GlobalTransactionId as an array of bytes.

Methods inherited from interface java.io.Externalizable

readExternal, writeExternal

Methods inherited from interface org.apache.derby.iapi.services.io.TypedFormat

getTypeFormatId

Method Detail

getFormat_Id

int getFormat_Id()

Obtain the format id part of the GlobalTransactionId.

Returns:

Format identifier. O means the OSI CCR format.

getGlobalTransactionId

byte[] getGlobalTransactionId()

Obtain the global transaction identifier part of GlobalTransactionId as an array of bytes.

Returns:

A byte array containing the global transaction identifier.

getBranchQualifier

byte[] getBranchQualifier()

Obtain the transaction branch qualifier part of the GlobalTransactionId in a byte array.

Returns:

A byte array containing the branch qualifier of the transaction.