org.apache.lucene.index
Class IndexUtils

java.lang.Object
  org.apache.lucene.index.IndexUtils

public class IndexUtils

extends java.lang.Object

Constructor Summary

IndexUtils()

Method Summary

static void

truncateIndex(org.apache.lucene.store.Directory dir) Truncates an index.

Methods inherited from class java.lang.Object

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

Constructor Detail

IndexUtils

public IndexUtils()

Method Detail

truncateIndex

public static void truncateIndex(org.apache.lucene.store.Directory dir)
                          throws java.io.IOException

Truncates an index. Instead of deleting all documents in an index via an IndexReader, All available segments are marked as deleted by their files to the "deletable" file. This has the benefit of faster index merges, whilst not offending any open readers.

Parameters:

dir -

Throws:

java.io.IOException