org.apache.cassandra.db.commitlog

Class FileDirectSegment

java.lang.Object

org.apache.cassandra.db.commitlog.CommitLogSegment

org.apache.cassandra.db.commitlog.FileDirectSegment

Direct Known Subclasses:

CompressedSegment, EncryptedSegment

public abstract class FileDirectSegment
extends CommitLogSegment

Writes to the backing commit log file only on sync, allowing transformations of the mutations, such as compression or encryption, before writing out to disk.

Nested Class Summary

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

CommitLogSegment.CommitLogSegmentFileComparator

Field Summary

Fields

Modifier and Type	Field and Description
protected static java.lang.ThreadLocal<java.nio.ByteBuffer>	reusableBufferHolder

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

descriptor, ENTRY_OVERHEAD_SIZE, id

Method Summary

Modifier and Type	Method and Description
protected void	internalClose() Close the segment file.

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

additionalHeaderParameters, contains, contentSize, dirtyString, getContext, getDirtyCFIDs, getName, getPath, isStillAllocating, isUnused, markClean, onDiskSize, toString, writeSyncMarker

Methods inherited from class java.lang.Object

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

Field Detail

reusableBufferHolder

protected static final java.lang.ThreadLocal<java.nio.ByteBuffer> reusableBufferHolder

Method Detail

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