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

Class GlobalXactId

java.lang.Object

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

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

All Implemented Interfaces:

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

public class GlobalXactId
extends GlobalXact
implements GlobalTransactionId

See Also:

Serialized Form

Field Summary

Fields inherited from class org.apache.derby.iapi.store.access.GlobalXact

branch_id, format_id, global_id

Constructor Summary

Constructors

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

Method Summary

Methods

Modifier and Type	Method and Description
byte[]	getBranchQualifier() Obtain the transaction branch qualifier part of the GlobalTransactionId in a byte array.
int	getFormat_Id() Public Methods of This class:
byte[]	getGlobalTransactionId() Obtain the global transaction identifier part of GlobalTransactionId as an array of bytes.
int	getTypeFormatId() Return my format identifier.
void	readExternal(java.io.ObjectInput in) Read this in
void	writeExternal(java.io.ObjectOutput out) Write this out.

Methods inherited from class org.apache.derby.iapi.store.access.GlobalXact

equals, hashCode, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

GlobalXactId

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

Constructors for This class:

GlobalXactId

public GlobalXactId()

Public Methods of Formatable interface:

Method Detail

writeExternal

public void writeExternal(java.io.ObjectOutput out)
                   throws java.io.IOException

Write this out.

Specified by:

writeExternal in interface java.io.Externalizable

Throws:

java.io.IOException - error writing to log stream

readExternal

public void readExternal(java.io.ObjectInput in)
                  throws java.io.IOException,
                         java.lang.ClassNotFoundException

Read this in

Specified by:

readExternal in interface java.io.Externalizable

Throws:

java.io.IOException - error reading from log stream

java.lang.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

public int getFormat_Id()

Public Methods of This class:

Specified by:

getFormat_Id in interface GlobalTransactionId

Returns:

Format identifier. O means the OSI CCR format.

getGlobalTransactionId

public byte[] getGlobalTransactionId()

Description copied from interface: GlobalTransactionId

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

Specified by:

getGlobalTransactionId in interface GlobalTransactionId

Returns:

A byte array containing the global transaction identifier.

getBranchQualifier

public byte[] getBranchQualifier()

Description copied from interface: GlobalTransactionId

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

Specified by:

getBranchQualifier in interface GlobalTransactionId

Returns:

A byte array containing the branch qualifier of the transaction.