com.sleepycat.je.txn
Class TxnPrepare

java.lang.Object
  com.sleepycat.je.txn.TxnEnd
      com.sleepycat.je.txn.TxnPrepare

All Implemented Interfaces:

LoggableObject, LogReadable, LogWritable

public class TxnPrepare
extends TxnEnd

This class writes out a transaction prepare record.

Field Summary

Fields inherited from class com.sleepycat.je.txn.TxnEnd

id, time

Constructor Summary

TxnPrepare()
For constructing from the log.

TxnPrepare(long id, Xid xid)

Method Summary

void	dumpLog(StringBuffer sb, boolean verbose) Write the object into the string buffer for log dumping.
int	getLogSize()
LogEntryType	getLogType() All objects that are reponsible for a generating a type of log entry must implement this.
protected String	getTagName()
Xid	getXid()
void	readFromLog(ByteBuffer logBuffer, byte entryTypeVersion) Initialize this object from the data in itemBuf.
void	writeToLog(ByteBuffer logBuffer) Serialize this object into the buffer.

Methods inherited from class com.sleepycat.je.txn.TxnEnd

countAsObsoleteWhenLogged, getId, getLastLsn, getTransactionId, logEntryIsTransactional, marshallOutsideWriteLatch, postLogWork

Methods inherited from class java.lang.Object

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

Constructor Detail

TxnPrepare

public TxnPrepare(long id,
                  Xid xid)

TxnPrepare

public TxnPrepare()

For constructing from the log.

Method Detail

getXid

public Xid getXid()

getLogType

public LogEntryType getLogType()

Description copied from interface: LoggableObject

All objects that are reponsible for a generating a type of log entry must implement this.

Specified by:

getLogType in interface LoggableObject

Specified by:

getLogType in class TxnEnd

Returns:

the type of log entry

See Also:

TxnEnd.getLogType()

getTagName

protected String getTagName()

Specified by:

getTagName in class TxnEnd

getLogSize

public int getLogSize()

Specified by:

getLogSize in interface LogWritable

Overrides:

getLogSize in class TxnEnd

Returns:

number of bytes used to store this object.

See Also:

LogWritable.getLogSize()

writeToLog

public void writeToLog(ByteBuffer logBuffer)

Description copied from interface: LogWritable

Serialize this object into the buffer.

Specified by:

writeToLog in interface LogWritable

Overrides:

writeToLog in class TxnEnd

Parameters:

logBuffer - is the destination buffer

See Also:

LogWritable.writeToLog(java.nio.ByteBuffer)

readFromLog

public void readFromLog(ByteBuffer logBuffer,
                        byte entryTypeVersion)

Description copied from interface: LogReadable

Initialize this object from the data in itemBuf.

Specified by:

readFromLog in interface LogReadable

Overrides:

readFromLog in class TxnEnd

See Also:

LogReadable.readFromLog(java.nio.ByteBuffer, byte)

dumpLog

public void dumpLog(StringBuffer sb,
                    boolean verbose)

Description copied from interface: LogReadable

Write the object into the string buffer for log dumping. Each object should be dumped without indentation or new lines and should be valid XML.

Specified by:

dumpLog in interface LogReadable

Overrides:

dumpLog in class TxnEnd

Parameters:

sb - destination string buffer

verbose - if true, dump the full, verbose version

See Also:

LogReadable.dumpLog(java.lang.StringBuffer, boolean)