org.apache.lucene.index
Class MergeState.DocMap

java.lang.Object
  org.apache.lucene.index.MergeState.DocMap

Enclosing class:

MergeState

public abstract static class MergeState.DocMap
extends Object

Remaps docids around deletes during merge

Constructor Summary

protected

MergeState.DocMap(Bits liveDocs) Sole constructor.

Method Summary

static MergeState.DocMap	build(AtomicReader reader) Creates a MergeState.DocMap instance appropriate for this reader.
int	get(int docId) Returns the mapped docID corresponding to the provided one.
boolean	hasDeletions() Returns true if there are any deletions.
abstract int	maxDoc() Returns the total number of documents, ignoring deletions.
abstract int	numDeletedDocs() Returns the number of deleted documents.
int	numDocs() Returns the number of not-deleted documents.
abstract int	remap(int docId) Returns the mapped docID corresponding to the provided one.

Methods inherited from class java.lang.Object

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

Constructor Detail

MergeState.DocMap

protected MergeState.DocMap(Bits liveDocs)

Sole constructor. (For invocation by subclass constructors, typically implicit.)

Method Detail

build

public static MergeState.DocMap build(AtomicReader reader)

Creates a MergeState.DocMap instance appropriate for this reader.

get

public int get(int docId)

Returns the mapped docID corresponding to the provided one.

remap

public abstract int remap(int docId)

Returns the mapped docID corresponding to the provided one.

maxDoc

public abstract int maxDoc()

Returns the total number of documents, ignoring deletions.

numDocs

public final int numDocs()

Returns the number of not-deleted documents.

numDeletedDocs

public abstract int numDeletedDocs()

Returns the number of deleted documents.

hasDeletions

public boolean hasDeletions()

Returns true if there are any deletions.