com.sleepycat.je.tree

Class INDeleteInfo

java.lang.Object

com.sleepycat.je.tree.INDeleteInfo

All Implemented Interfaces:

Loggable

public class INDeleteInfo
extends java.lang.Object
implements Loggable

INDeleteInfo encapsulates the information logged about the removal of a child from an IN during IN compression.

Constructor Summary

Constructors

Constructor and Description
INDeleteInfo() Used by logging system only.
INDeleteInfo(long deletedNodeId, byte[] deletedIdKey, DatabaseId dbId) Create a new delete info entry.

Method Summary

Methods

Modifier and Type	Method and Description
void	dumpLog(java.lang.StringBuffer sb, boolean verbose) Write the object into the string buffer for log dumping.
DatabaseId	getDatabaseId()
byte[]	getDeletedIdKey()
long	getDeletedNodeId()
int	getLogSize()
long	getTransactionId()
boolean	logicalEquals(Loggable other)
void	optionalLog(LogManager logManager, DatabaseImpl dbImpl)
void	readFromLog(java.nio.ByteBuffer itemBuffer, byte entryVersion) Initialize this object from the data in itemBuf.
void	writeToLog(java.nio.ByteBuffer logBuffer) Serialize this object into the buffer.

Methods inherited from class java.lang.Object

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

Constructor Detail

INDeleteInfo

public INDeleteInfo(long deletedNodeId,
            byte[] deletedIdKey,
            DatabaseId dbId)

Create a new delete info entry.

INDeleteInfo

public INDeleteInfo()

Used by logging system only.

Method Detail

getDeletedNodeId

public long getDeletedNodeId()

getDeletedIdKey

public byte[] getDeletedIdKey()

getDatabaseId

public DatabaseId getDatabaseId()

optionalLog

public void optionalLog(LogManager logManager,
               DatabaseImpl dbImpl)
                 throws DatabaseException

Throws:

DatabaseException

getLogSize

public int getLogSize()

Specified by:

getLogSize in interface Loggable

Returns:

number of bytes used to store this object.

See Also:

Loggable.getLogSize()

writeToLog

public void writeToLog(java.nio.ByteBuffer logBuffer)

Description copied from interface: Loggable

Serialize this object into the buffer.

Specified by:

writeToLog in interface Loggable

Parameters:

logBuffer - is the destination buffer

See Also:

Loggable.writeToLog(java.nio.ByteBuffer)

readFromLog

public void readFromLog(java.nio.ByteBuffer itemBuffer,
               byte entryVersion)
                 throws LogException

Description copied from interface: Loggable

Initialize this object from the data in itemBuf.

Specified by:

readFromLog in interface Loggable

Throws:

LogException

See Also:

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

dumpLog

public void dumpLog(java.lang.StringBuffer sb,
           boolean verbose)

Description copied from interface: Loggable

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 Loggable

Parameters:

sb - destination string buffer

verbose - if true, dump the full, verbose version

See Also:

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

getTransactionId

public long getTransactionId()

Specified by:

getTransactionId in interface Loggable

Returns:

the transaction id embedded within this loggable object. Objects that have no transaction id should return 0.

See Also:

Loggable.getTransactionId()

logicalEquals

public boolean logicalEquals(Loggable other)

Specified by:

logicalEquals in interface Loggable

Returns:

true if these two loggable items are logically the same. Used for replication testing.

See Also:

Always return false, this item should never be compared.