Package org.apache.lucene.index

Class PKIndexSplitter

java.lang.Object

org.apache.lucene.index.PKIndexSplitter

public class PKIndexSplitter
extends java.lang.Object

Split an index based on a Query.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
private static class	PKIndexSplitter.DocumentFilteredLeafIndexReader

Field Summary

Fields

Modifier and Type	Field	Description
private IndexWriterConfig	config1
private IndexWriterConfig	config2
private Directory	dir1
private Directory	dir2
private Query	docsInFirstIndex
private Directory	input

Constructor Summary

Constructors

Constructor	Description
PKIndexSplitter(Directory input, Directory dir1, Directory dir2, Term midTerm)	Split an index based on a given primary key term and a 'middle' term.
PKIndexSplitter(Directory input, Directory dir1, Directory dir2, Term midTerm, IndexWriterConfig config1, IndexWriterConfig config2)
PKIndexSplitter(Directory input, Directory dir1, Directory dir2, Query docsInFirstIndex)	Split an index based on a Query.
PKIndexSplitter(Directory input, Directory dir1, Directory dir2, Query docsInFirstIndex, IndexWriterConfig config1, IndexWriterConfig config2)

Method Summary

Modifier and Type	Method	Description
private void	createIndex(IndexWriterConfig config, Directory target, DirectoryReader reader, Query preserveFilter, boolean negateFilter)
private static IndexWriterConfig	newDefaultConfig()
void	split()

Methods inherited from class java.lang.Object

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

Field Detail

docsInFirstIndex

private final Query docsInFirstIndex

input

private final Directory input

dir1

private final Directory dir1

dir2

private final Directory dir2

config1

private final IndexWriterConfig config1

config2

private final IndexWriterConfig config2

Constructor Detail

PKIndexSplitter

public PKIndexSplitter(Directory input,
                       Directory dir1,
                       Directory dir2,
                       Query docsInFirstIndex)

Split an index based on a Query. All documents that match the query are sent to dir1, remaining ones to dir2.

PKIndexSplitter

public PKIndexSplitter(Directory input,
                       Directory dir1,
                       Directory dir2,
                       Query docsInFirstIndex,
                       IndexWriterConfig config1,
                       IndexWriterConfig config2)

PKIndexSplitter

public PKIndexSplitter(Directory input,
                       Directory dir1,
                       Directory dir2,
                       Term midTerm)

Split an index based on a given primary key term and a 'middle' term. If the middle term is present, it's sent to dir2.

PKIndexSplitter

public PKIndexSplitter(Directory input,
                       Directory dir1,
                       Directory dir2,
                       Term midTerm,
                       IndexWriterConfig config1,
                       IndexWriterConfig config2)

Method Detail

newDefaultConfig

private static IndexWriterConfig newDefaultConfig()

split

public void split()
           throws java.io.IOException

Throws:

java.io.IOException

createIndex

private void createIndex(IndexWriterConfig config,
                         Directory target,
                         DirectoryReader reader,
                         Query preserveFilter,
                         boolean negateFilter)
                  throws java.io.IOException

Throws:

java.io.IOException