com.sleepycat.je.cleaner

Class CleanerLogSummary

java.lang.Object

com.sleepycat.je.cleaner.CleanerLogSummary

All Implemented Interfaces:

Loggable

public class CleanerLogSummary
extends java.lang.Object
implements Loggable

Persistent form of log summary information, which currently is only the utilization correction info maintained by UtilizationCalculator, and is logged as part of the CheckpointEnd log entry.

Constructor Summary

Constructors

Constructor and Description
CleanerLogSummary()
CleanerLogSummary(java.util.List<UtilizationCalculator.AverageSize> recentAvgLNSizes, long endFileNumAtLastAdjustment, int initialAdjustments)

Method Summary

Methods

Modifier and Type	Method and Description
void	dumpLog(java.lang.StringBuilder sb, boolean verbose) Write the object into the string buffer for log dumping.
boolean	equals(java.lang.Object other)
(package private) long	getEndFileNumAtLastAdjustment()
(package private) int	getInitialAdjustments()
int	getLogSize()
(package private) java.util.List<UtilizationCalculator.AverageSize>	getRecentAvgLNSizes()
long	getTransactionId() Not used.
int	hashCode()
boolean	logicalEquals(Loggable other) Not used.
void	readFromLog(java.nio.ByteBuffer logBuffer, int entryVersion) Initialize this object from the data in itemBuf.
java.lang.String	toString()
void	writeToLog(java.nio.ByteBuffer logBuffer) Serialize this object into the buffer.

Methods inherited from class java.lang.Object

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

Constructor Detail

CleanerLogSummary

public CleanerLogSummary(java.util.List<UtilizationCalculator.AverageSize> recentAvgLNSizes,
                 long endFileNumAtLastAdjustment,
                 int initialAdjustments)

CleanerLogSummary

public CleanerLogSummary()

Method Detail

getRecentAvgLNSizes

java.util.List<UtilizationCalculator.AverageSize> getRecentAvgLNSizes()

getEndFileNumAtLastAdjustment

long getEndFileNumAtLastAdjustment()

getInitialAdjustments

int getInitialAdjustments()

getLogSize

public int getLogSize()

Specified by:

getLogSize in interface Loggable

Returns:

number of bytes used to store this object.

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

readFromLog

public void readFromLog(java.nio.ByteBuffer logBuffer,
               int entryVersion)

Description copied from interface: Loggable

Initialize this object from the data in itemBuf.

Specified by:

readFromLog in interface Loggable

getTransactionId

public long getTransactionId()

Not used.

Specified by:

getTransactionId in interface Loggable

Returns:

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

logicalEquals

public boolean logicalEquals(Loggable other)

Not used.

Specified by:

logicalEquals in interface Loggable

Returns:

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

equals

public boolean equals(java.lang.Object other)

Overrides:

equals in class java.lang.Object

hashCode

public int hashCode()

Overrides:

hashCode in class java.lang.Object

dumpLog

public void dumpLog(java.lang.StringBuilder 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

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object