com.hazelcast.spi.hotrestart.impl.gc.chunk

Class SurvivorValChunk

java.lang.Object

com.hazelcast.spi.hotrestart.impl.gc.chunk.Chunk

com.hazelcast.spi.hotrestart.impl.gc.chunk.GrowingChunk

com.hazelcast.spi.hotrestart.impl.gc.chunk.WriteThroughChunk

com.hazelcast.spi.hotrestart.impl.gc.chunk.SurvivorValChunk

All Implemented Interfaces:

com.hazelcast.nio.Disposable

public final class SurvivorValChunk
extends WriteThroughChunk

Survivor chunk used by the ValEvacuator.

Field Summary

Fields inherited from class com.hazelcast.spi.hotrestart.impl.gc.chunk.WriteThroughChunk

out

Fields inherited from class com.hazelcast.spi.hotrestart.impl.gc.chunk.Chunk

ACTIVE_FNAME_SUFFIX, FNAME_SUFFIX, garbage, liveRecordCount, records, seq, SURVIVOR_FNAME_SUFFIX, SYSPROP_TOMB_CHUNK_SIZE_LIMIT, SYSPROP_VAL_CHUNK_SIZE_LIMIT, TOMB_BASEDIR, TOMB_SIZE_LIMIT_DEFAULT, VAL_BASEDIR, VAL_SIZE_LIMIT_DEFAULT

Constructor Summary

Constructors

Constructor and Description
SurvivorValChunk(long seq, RecordMap records, ChunkFileOut out, GcHelper gcHelper)

Method Summary

Modifier and Type	Method and Description
void	add(Record r, KeyHandle kh, RecordDataHolder holder) Adds a record both to the survivor chunk file and to the chunk's record map.
protected int	determineSizeLimit() Determines the limit on the size of this chunk by reading a system property.
void	insertOrUpdate(long recordSeq, long keyPrefix, KeyHandle kh, int ignored, int size) Inserts a new entry in the chunk's record map or updates the existing one under the same key handle.
StableValChunk	toStableChunk()

Methods inherited from class com.hazelcast.spi.hotrestart.impl.gc.chunk.WriteThroughChunk

close, flagForFsyncOnClose, fsync

Methods inherited from class com.hazelcast.spi.hotrestart.impl.gc.chunk.GrowingChunk

addStep2, addStep2, full, grow, insertOrUpdateTombstone, insertOrUpdateValue, size

Methods inherited from class com.hazelcast.spi.hotrestart.impl.gc.chunk.Chunk

base, dispose, fnameSuffix, needsDismissing, needsDismissing, retire, retire, tombChunkSizeLimit, toString, valChunkSizeLimit

Methods inherited from class java.lang.Object

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

Constructor Detail

SurvivorValChunk

public SurvivorValChunk(long seq,
                        RecordMap records,
                        ChunkFileOut out,
                        GcHelper gcHelper)

Method Detail

add

public void add(Record r,
                KeyHandle kh,
                RecordDataHolder holder)

Adds a record both to the survivor chunk file and to the chunk's record map.

Parameters:

r - the record

kh - record's key handle

holder - record's key and value blobs

insertOrUpdate

public void insertOrUpdate(long recordSeq,
                           long keyPrefix,
                           KeyHandle kh,
                           int ignored,
                           int size)

Description copied from class: GrowingChunk

Inserts a new entry in the chunk's record map or updates the existing one under the same key handle.

Specified by:

insertOrUpdate in class GrowingChunk

determineSizeLimit

protected int determineSizeLimit()

Description copied from class: GrowingChunk

Determines the limit on the size of this chunk by reading a system property. The size limit is used to decide when to deactivate a chunk and create a new one.

Specified by:

determineSizeLimit in class GrowingChunk

toStableChunk

public StableValChunk toStableChunk()

Specified by:

toStableChunk in class WriteThroughChunk