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

Class TransactionTableEntry

java.lang.Object

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

All Implemented Interfaces:

java.io.Externalizable, java.io.Serializable, java.lang.Cloneable, Formatable, TypedFormat, TransactionInfo

public class TransactionTableEntry
extends java.lang.Object
implements Formatable, TransactionInfo, java.lang.Cloneable

Transaction table entry is used to store all relevant information of a transaction into the transaction table for the use of checkpoint, recovery, Transaction management during Quiesce state, and for dumping transaction table. Only works with the following classes: TransactionTable, XactFactory, Xact
During run time, whenever any transaction is started, it is put into the transaction table. Whenever any transaction is closed, it is removed from the transaction table.

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
(package private) static int	EXCLUDE
private LogInstant	firstLog
private GlobalTransactionId	gid
private boolean	isClone
private LogInstant	lastLog
private LanguageConnectionContext	lcc
private Xact	myxact
private boolean	needExclusion
private boolean	recovery
(package private) static int	RECOVERY
private int	transactionStatus
private boolean	update
(package private) static int	UPDATE
private TransactionId	xid

Constructor Summary

Constructors

Constructor and Description
TransactionTableEntry()
TransactionTableEntry(Xact xact, TransactionId tid, int status, int attribute)

Method Summary

Methods

Modifier and Type	Method and Description
protected java.lang.Object	clone() Cloneable
(package private) LogInstant	getFirstLog()
java.lang.String	getFirstLogInstantString()
GlobalTransactionId	getGid()
java.lang.String	getGlobalTransactionIdString()
(package private) LogInstant	getLastLog()
private void	getlcc()
java.lang.String	getStatementTextString()
java.lang.String	getTransactionIdString() Methods of TransactionInfo
(package private) int	getTransactionStatus()
java.lang.String	getTransactionStatusString()
java.lang.String	getTransactionTypeString()
int	getTypeFormatId() Return my format identifier.
java.lang.String	getUsernameString()
Xact	getXact()
(package private) TransactionId	getXid() get instance variables
(package private) boolean	isPrepared()
(package private) boolean	isRecovery()
(package private) boolean	isUpdate()
boolean	needExclusion()
(package private) void	prepareTransaction()
void	readExternal(java.io.ObjectInput in)
(package private) void	removeUpdateTransaction()
(package private) void	setXact(Xact xact)
java.lang.String	toString()
(package private) void	unsetRecoveryStatus()
(package private) void	updateTransactionStatus(Xact xact, int status, int attribute)
void	writeExternal(java.io.ObjectOutput out)

Methods inherited from class java.lang.Object

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

Field Detail

xid

private TransactionId xid

gid

private GlobalTransactionId gid

firstLog

private LogInstant firstLog

lastLog

private LogInstant lastLog

transactionStatus

private int transactionStatus

myxact

private transient Xact myxact

update

private transient boolean update

recovery

private transient boolean recovery

needExclusion

private transient boolean needExclusion

isClone

private boolean isClone

lcc

private transient LanguageConnectionContext lcc

UPDATE

static final int UPDATE

See Also:

Constant Field Values

RECOVERY

static final int RECOVERY

See Also:

Constant Field Values

EXCLUDE

static final int EXCLUDE

See Also:

Constant Field Values

Constructor Detail

TransactionTableEntry

TransactionTableEntry(Xact xact,
                     TransactionId tid,
                     int status,
                     int attribute)

TransactionTableEntry

public TransactionTableEntry()

Method Detail

writeExternal

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

Specified by:

writeExternal in interface java.io.Externalizable

Throws:

java.io.IOException

readExternal

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

Specified by:

readExternal in interface java.io.Externalizable

Throws:

java.lang.ClassNotFoundException

java.io.IOException

setXact

void setXact(Xact xact)

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).

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

updateTransactionStatus

void updateTransactionStatus(Xact xact,
                           int status,
                           int attribute)

removeUpdateTransaction

void removeUpdateTransaction()

unsetRecoveryStatus

void unsetRecoveryStatus()

prepareTransaction

void prepareTransaction()

getXid

TransactionId getXid()

get instance variables

getGid

public final GlobalTransactionId getGid()

getFirstLog

LogInstant getFirstLog()

getLastLog

LogInstant getLastLog()

getXact

public final Xact getXact()

getTransactionStatus

int getTransactionStatus()

isUpdate

boolean isUpdate()

isRecovery

boolean isRecovery()

isPrepared

boolean isPrepared()

needExclusion

public boolean needExclusion()

getTransactionIdString

public java.lang.String getTransactionIdString()

Methods of TransactionInfo

Specified by:

getTransactionIdString in interface TransactionInfo

getGlobalTransactionIdString

public java.lang.String getGlobalTransactionIdString()

Specified by:

getGlobalTransactionIdString in interface TransactionInfo

getUsernameString

public java.lang.String getUsernameString()

Specified by:

getUsernameString in interface TransactionInfo

getTransactionTypeString

public java.lang.String getTransactionTypeString()

Specified by:

getTransactionTypeString in interface TransactionInfo

getTransactionStatusString

public java.lang.String getTransactionStatusString()

Specified by:

getTransactionStatusString in interface TransactionInfo

getStatementTextString

public java.lang.String getStatementTextString()

Specified by:

getStatementTextString in interface TransactionInfo

getFirstLogInstantString

public java.lang.String getFirstLogInstantString()

Specified by:

getFirstLogInstantString in interface TransactionInfo

getlcc

private void getlcc()

clone

protected java.lang.Object clone()

Cloneable

Overrides:

clone in class java.lang.Object