org.apache.derbyTesting.unitTests.store

Class T_Undoable

java.lang.Object

org.apache.derbyTesting.unitTests.store.T_Undoable

All Implemented Interfaces:

java.io.Externalizable, java.io.Serializable, org.apache.derby.iapi.services.io.Formatable, org.apache.derby.iapi.services.io.TypedFormat, org.apache.derby.iapi.store.raw.Loggable, org.apache.derby.iapi.store.raw.Undoable

public class T_Undoable
extends java.lang.Object
implements org.apache.derby.iapi.store.raw.Undoable

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
(package private) int	lastRecord
(package private) boolean	lastTransaction
protected org.apache.derby.iapi.services.io.DynamicByteArrayOutputStream	logBuffer
(package private) int	LWMTranSeq
(package private) int	optionalDataLen
protected org.apache.derby.iapi.util.ByteArray	preparedLog
(package private) int	recordSeq
(package private) static int	REMOVE_ME
(package private) static int	REMOVE_NONE
(package private) static int	REMOVE_TO_ME
(package private) int	removeWhat
(package private) boolean	rollBack
(package private) org.apache.derby.iapi.store.raw.GlobalTransactionId	tid
(package private) int	tranSeq
(package private) boolean	verbose

Fields inherited from interface org.apache.derby.iapi.store.raw.Loggable

ABORT, BI_LOG, CHECKSUM, COMMIT, COMPENSATION, FILE_RESOURCE, FIRST, LAST, PREPARE, RAWSTORE, XA_NEEDLOCK

Constructor Summary

Constructors

Constructor and Description
T_Undoable()
T_Undoable(org.apache.derby.iapi.store.raw.GlobalTransactionId tid, int tranSeq, int recordSeq, int removeWhat, int LWMTranSeq, boolean rollBack, int lastRecord, boolean lastTransaction, int optionalDataLen, boolean verbose)

Method Summary

Modifier and Type	Method and Description
void	doMe(org.apache.derby.iapi.store.raw.Transaction xact, org.apache.derby.iapi.store.raw.log.LogInstant instant, org.apache.derby.iapi.services.io.LimitObjectInput in)
org.apache.derby.iapi.store.raw.Compensation	generateUndo(org.apache.derby.iapi.store.raw.Transaction xact, org.apache.derby.iapi.services.io.LimitObjectInput in)
org.apache.derby.iapi.util.ByteArray	getPreparedLog()
int	getTypeFormatId()
int	group()
boolean	needsRedo(org.apache.derby.iapi.store.raw.Transaction xact)
void	readExternal(java.io.ObjectInput in)
void	releaseResource(org.apache.derby.iapi.store.raw.Transaction xact)
java.lang.String	toString()
void	writeExternal(java.io.ObjectOutput out)
private void	writeOptionalDataToBuffer()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

REMOVE_NONE

static final int REMOVE_NONE

See Also:

Constant Field Values

REMOVE_ME

static final int REMOVE_ME

See Also:

Constant Field Values

REMOVE_TO_ME

static final int REMOVE_TO_ME

See Also:

Constant Field Values

preparedLog

protected org.apache.derby.iapi.util.ByteArray preparedLog

logBuffer

protected org.apache.derby.iapi.services.io.DynamicByteArrayOutputStream logBuffer

tid

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

tranSeq

int tranSeq

recordSeq

int recordSeq

removeWhat

int removeWhat

LWMTranSeq

int LWMTranSeq

rollBack

boolean rollBack

lastRecord

int lastRecord

lastTransaction

boolean lastTransaction

optionalDataLen

int optionalDataLen

verbose

boolean verbose

Constructor Detail

T_Undoable

public T_Undoable()

T_Undoable

T_Undoable(org.apache.derby.iapi.store.raw.GlobalTransactionId tid,
           int tranSeq,
           int recordSeq,
           int removeWhat,
           int LWMTranSeq,
           boolean rollBack,
           int lastRecord,
           boolean lastTransaction,
           int optionalDataLen,
           boolean verbose)
    throws T_Fail

Throws:

T_Fail

Method Detail

writeOptionalDataToBuffer

private void writeOptionalDataToBuffer()
                                throws org.apache.derby.iapi.error.StandardException,
                                       java.io.IOException

Throws:

org.apache.derby.iapi.error.StandardException

java.io.IOException

doMe

public void doMe(org.apache.derby.iapi.store.raw.Transaction xact,
                 org.apache.derby.iapi.store.raw.log.LogInstant instant,
                 org.apache.derby.iapi.services.io.LimitObjectInput in)

Specified by:

doMe in interface org.apache.derby.iapi.store.raw.Loggable

getPreparedLog

public org.apache.derby.iapi.util.ByteArray getPreparedLog()

Specified by:

getPreparedLog in interface org.apache.derby.iapi.store.raw.Loggable

needsRedo

public boolean needsRedo(org.apache.derby.iapi.store.raw.Transaction xact)

Specified by:

needsRedo in interface org.apache.derby.iapi.store.raw.Loggable

releaseResource

public void releaseResource(org.apache.derby.iapi.store.raw.Transaction xact)

Specified by:

releaseResource in interface org.apache.derby.iapi.store.raw.Loggable

group

public int group()

Specified by:

group in interface org.apache.derby.iapi.store.raw.Loggable

generateUndo

public org.apache.derby.iapi.store.raw.Compensation generateUndo(org.apache.derby.iapi.store.raw.Transaction xact,
                                                                 org.apache.derby.iapi.services.io.LimitObjectInput in)
                                                          throws org.apache.derby.iapi.error.StandardException,
                                                                 java.io.IOException

Specified by:

generateUndo in interface org.apache.derby.iapi.store.raw.Undoable

Throws:

org.apache.derby.iapi.error.StandardException

java.io.IOException

writeExternal

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

Specified by:

writeExternal in interface java.io.Externalizable

Throws:

java.io.IOException - thrown on error

readExternal

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

Specified by:

readExternal in interface java.io.Externalizable

Throws:

java.io.IOException

java.lang.ClassNotFoundException

getTypeFormatId

public int getTypeFormatId()

Specified by:

getTypeFormatId in interface org.apache.derby.iapi.services.io.TypedFormat

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object