org.apache.lucene.index

Class DocIDMerger.Sub

java.lang.Object

org.apache.lucene.index.DocIDMerger.Sub

Enclosing class:

DocIDMerger<T extends DocIDMerger.Sub>

public abstract static class DocIDMerger.Sub
extends Object

Represents one sub-reader being merged

Field Summary

Fields

Modifier and Type	Field and Description
int	mappedDocID Mapped doc ID

Constructor Summary

Constructors

Constructor and Description
Sub(MergeState.DocMap docMap) Sole constructor

Method Summary

Modifier and Type	Method and Description
abstract int	nextDoc() Returns the next document ID from this sub reader, and DocIdSetIterator.NO_MORE_DOCS when done
int	nextMappedDoc() Like nextDoc() but skips over unmapped docs and returns the next mapped doc ID, or DocIdSetIterator.NO_MORE_DOCS when exhausted.

Methods inherited from class java.lang.Object

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

Field Detail

mappedDocID

public int mappedDocID

Mapped doc ID

Constructor Detail

Sub

public Sub(MergeState.DocMap docMap)

Sole constructor

Method Detail

nextDoc

public abstract int nextDoc()
                     throws IOException

Returns the next document ID from this sub reader, and DocIdSetIterator.NO_MORE_DOCS when done

Throws:

IOException

nextMappedDoc

public final int nextMappedDoc()
                        throws IOException

Like nextDoc() but skips over unmapped docs and returns the next mapped doc ID, or DocIdSetIterator.NO_MORE_DOCS when exhausted. This method sets mappedDocID as a side effect.

Throws:

IOException