org.elasticsearch.index.deletionpolicy

Class KeepOnlyLastDeletionPolicy

java.lang.Object

org.apache.lucene.index.IndexDeletionPolicy

org.elasticsearch.index.deletionpolicy.KeepOnlyLastDeletionPolicy

All Implemented Interfaces:

IndexShardComponent

public class KeepOnlyLastDeletionPolicy
extends org.apache.lucene.index.IndexDeletionPolicy

This IndexDeletionPolicy implementation that keeps only the most recent commit and immediately removes all prior commits after a new commit is done. This is the default deletion policy.

Field Summary

Fields

Modifier and Type	Field and Description
protected Settings	indexSettings
protected ESLogger	logger
protected ShardId	shardId

Constructor Summary

Constructors

Constructor and Description
KeepOnlyLastDeletionPolicy(ShardId shardId, IndexSettingsService indexSettingsService)
KeepOnlyLastDeletionPolicy(ShardId shardId, Settings indexSettings)

Method Summary

Methods

Modifier and Type	Method and Description
Settings	indexSettings()
String	nodeName()
void	onCommit(List<? extends org.apache.lucene.index.IndexCommit> commits) Deletes all commits except the most recent one.
void	onInit(List<? extends org.apache.lucene.index.IndexCommit> commits) Deletes all commits except the most recent one.
ShardId	shardId()

Methods inherited from class java.lang.Object

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

Field Detail

logger

protected final ESLogger logger

shardId

protected final ShardId shardId

indexSettings

protected final Settings indexSettings

Constructor Detail

KeepOnlyLastDeletionPolicy

@Inject
public KeepOnlyLastDeletionPolicy(ShardId shardId,
                                 IndexSettingsService indexSettingsService)

KeepOnlyLastDeletionPolicy

public KeepOnlyLastDeletionPolicy(ShardId shardId,
                          Settings indexSettings)

Method Detail

onInit

public void onInit(List<? extends org.apache.lucene.index.IndexCommit> commits)

Deletes all commits except the most recent one.

Specified by:

onInit in class org.apache.lucene.index.IndexDeletionPolicy

onCommit

public void onCommit(List<? extends org.apache.lucene.index.IndexCommit> commits)

Deletes all commits except the most recent one.

Specified by:

onCommit in class org.apache.lucene.index.IndexDeletionPolicy

shardId

public ShardId shardId()

Specified by:

shardId in interface IndexShardComponent

indexSettings

public Settings indexSettings()

Specified by:

indexSettings in interface IndexShardComponent

nodeName

public String nodeName()