Package org.apache.cassandra.db.commitlog

Class MemoryMappedSegment

java.lang.Object

org.apache.cassandra.db.commitlog.CommitLogSegment

org.apache.cassandra.db.commitlog.MemoryMappedSegment

public class MemoryMappedSegment
extends CommitLogSegment

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
protected static class	MemoryMappedSegment.MemoryMappedSegmentBuilder

Nested classes/interfaces inherited from class org.apache.cassandra.db.commitlog.CommitLogSegment

CommitLogSegment.Allocation, CommitLogSegment.Builder, CommitLogSegment.CDCState, CommitLogSegment.CommitLogSegmentFileComparator

Field Summary

Fields inherited from class org.apache.cassandra.db.commitlog.CommitLogSegment

descriptor, ENTRY_OVERHEAD_SIZE, id, manager

Method Summary

Modifier and Type	Method	Description
protected java.nio.ByteBuffer	createBuffer()
protected void	flush(int startMarker, int nextMarker)
protected void	internalClose()	Close the segment file.
long	onDiskSize()

Methods inherited from class org.apache.cassandra.db.commitlog.CommitLogSegment

additionalHeaderParameters, contains, contentSize, coverInMap, dirtyString, getCDCFile, getCDCIndexFile, getCDCState, getCurrentCommitLogPosition, getDirtyTableIds, getName, getPath, isStillAllocating, isUnused, markClean, resetReplayLimit, setCDCState, toString, writeCDCIndexFile, writeSyncMarker

Methods inherited from class java.lang.Object

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

Method Detail

createBuffer

protected java.nio.ByteBuffer createBuffer()

Overrides:

createBuffer in class CommitLogSegment

flush

protected void flush(int startMarker,
                     int nextMarker)

onDiskSize

public long onDiskSize()

Specified by:

onDiskSize in class CommitLogSegment

internalClose

protected void internalClose()

Description copied from class: CommitLogSegment

Close the segment file. Do not call from outside this class, use syncAndClose() instead.

Overrides:

internalClose in class CommitLogSegment