com.sleepycat.je.log

Class SyncedLogManager

java.lang.Object

com.sleepycat.je.log.LogManager

com.sleepycat.je.log.SyncedLogManager

public class SyncedLogManager
extends LogManager

The SyncedLogManager uses the synchronized keyword to implement protected regions.

Field Summary

Fields inherited from class com.sleepycat.je.log.LogManager

envImpl, logBufferPool, logWriteLatch

Constructor Summary

Constructors

Constructor and Description
SyncedLogManager(EnvironmentImpl envImpl, boolean readOnly) There is a single log manager per database environment.

Method Summary

Methods

Modifier and Type	Method and Description
void	countObsoleteINs(java.util.List lsnList) Counts the given obsolete IN LSNs under the log write latch.
void	countObsoleteNode(long lsn, LogEntryType type, int size) Count node as obsolete under the log write latch.
void	countObsoleteNodes(java.util.Collection summaries) Counts file summary info under the log write latch.
protected void	flushInternal()
TrackedFileSummary	getUnflushableTrackedSummary(long file) Returns a tracked summary for the given file which will not be flushed.
void	loadEndOfLogStat(EnvironmentStats stats)
protected com.sleepycat.je.log.LogManager.LogResult	logItem(LogEntryHeader header, LogEntry item, boolean isProvisional, boolean flushRequired, boolean forceNewLogFile, long oldNodeLsn, int oldNodeSize, boolean marshallOutsideLatch, java.nio.ByteBuffer marshalledBuffer, UtilizationTracker tracker, boolean shouldReplicate)
void	removeTrackedFile(TrackedFileSummary tfs) Removes the tracked summary for the given file.

Methods inherited from class com.sleepycat.je.log.LogManager

countObsoleteINsInternal, countObsoleteNodeInternal, countObsoleteNodesInternal, flush, flushNoSync, get, getChecksumOnRead, getLastLsnAtRecovery, getLogEntry, getLogSource, getUnflushableTrackedSummaryInternal, loadStats, log, log, logForceFlip, logForceFlush, logInternal, removeTrackedFileInternal, resetPool, setLastLsnAtRecovery, setReadHook

Methods inherited from class java.lang.Object

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

Constructor Detail

SyncedLogManager

public SyncedLogManager(EnvironmentImpl envImpl,
                boolean readOnly)
                 throws DatabaseException

There is a single log manager per database environment.

Throws:

DatabaseException

Method Detail

logItem

protected com.sleepycat.je.log.LogManager.LogResult logItem(LogEntryHeader header,
                                                LogEntry item,
                                                boolean isProvisional,
                                                boolean flushRequired,
                                                boolean forceNewLogFile,
                                                long oldNodeLsn,
                                                int oldNodeSize,
                                                boolean marshallOutsideLatch,
                                                java.nio.ByteBuffer marshalledBuffer,
                                                UtilizationTracker tracker,
                                                boolean shouldReplicate)
                                                     throws java.io.IOException,
                                                            DatabaseException

Specified by:

logItem in class LogManager

Throws:

java.io.IOException

DatabaseException

flushInternal

protected void flushInternal()
                      throws LogException,
                             DatabaseException

Specified by:

flushInternal in class LogManager

Throws:

LogException

DatabaseException

getUnflushableTrackedSummary

public TrackedFileSummary getUnflushableTrackedSummary(long file)
                                                throws DatabaseException

Description copied from class: LogManager

Returns a tracked summary for the given file which will not be flushed. Used for watching changes that occur while a file is being cleaned.

Specified by:

getUnflushableTrackedSummary in class LogManager

Throws:

DatabaseException

See Also:

LogManager.getUnflushableTrackedSummary(long)

removeTrackedFile

public void removeTrackedFile(TrackedFileSummary tfs)
                       throws DatabaseException

Description copied from class: LogManager

Removes the tracked summary for the given file.

Specified by:

removeTrackedFile in class LogManager

Throws:

DatabaseException

See Also:

LogManager.removeTrackedFile(com.sleepycat.je.cleaner.TrackedFileSummary)

countObsoleteNode

public void countObsoleteNode(long lsn,
                     LogEntryType type,
                     int size)
                       throws DatabaseException

Description copied from class: LogManager

Count node as obsolete under the log write latch. This is done here because the log write latch is managed here, and all utilization counting must be performed under the log write latch.

Specified by:

countObsoleteNode in class LogManager

Throws:

DatabaseException

See Also:

LogManager#countObsoleteLNs

countObsoleteNodes

public void countObsoleteNodes(java.util.Collection summaries)
                        throws DatabaseException

Description copied from class: LogManager

Counts file summary info under the log write latch.

Specified by:

countObsoleteNodes in class LogManager

Throws:

DatabaseException

See Also:

LogManager.countObsoleteNodes(java.util.Collection)

countObsoleteINs

public void countObsoleteINs(java.util.List lsnList)
                      throws DatabaseException

Description copied from class: LogManager

Counts the given obsolete IN LSNs under the log write latch.

Specified by:

countObsoleteINs in class LogManager

Throws:

DatabaseException

See Also:

LogManager.countObsoleteINs(java.util.List)

loadEndOfLogStat

public void loadEndOfLogStat(EnvironmentStats stats)
                      throws DatabaseException

Specified by:

loadEndOfLogStat in class LogManager

Throws:

DatabaseException

See Also:

LogManager.loadEndOfLogStat(com.sleepycat.je.EnvironmentStats)