org.apache.lucene.index

Class KeepOnlyLastCommitDeletionPolicy

java.lang.Object

org.apache.lucene.index.KeepOnlyLastCommitDeletionPolicy

All Implemented Interfaces:

IndexDeletionPolicy

public final class KeepOnlyLastCommitDeletionPolicy
extends Object
implements 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.

Constructor Summary

Constructors

Constructor and Description
KeepOnlyLastCommitDeletionPolicy()

Method Summary

Methods

Modifier and Type	Method and Description
void	onCommit(List commits) Deletes all commits except the most recent one.
void	onInit(List commits) Deletes all commits except the most recent one.

Methods inherited from class java.lang.Object

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

Constructor Detail

KeepOnlyLastCommitDeletionPolicy

public KeepOnlyLastCommitDeletionPolicy()

Method Detail

onInit

public void onInit(List commits)

Deletes all commits except the most recent one.

Specified by:

onInit in interface IndexDeletionPolicy

Parameters:

commits - List of current point-in-time commits, sorted by age (the 0th one is the oldest commit).

onCommit

public void onCommit(List commits)

Deletes all commits except the most recent one.

Specified by:

onCommit in interface IndexDeletionPolicy

Parameters:

commits - List of IndexCommit, sorted by age (the 0th one is the oldest commit).