Module org.apache.lucene.core

Package org.apache.lucene.index

Class FrozenBufferedUpdates.TermDocsIterator

java.lang.Object

org.apache.lucene.index.FrozenBufferedUpdates.TermDocsIterator

Enclosing class:

FrozenBufferedUpdates

static final class FrozenBufferedUpdates.TermDocsIterator
extends Object

This class helps iterating a term dictionary and consuming all the docs for each terms. It accepts a field, value tuple and returns a DocIdSetIterator if the field has an entry for the given value. It has an optimized way of iterating the term dictionary if the terms are passed in sorted order and makes sure terms and postings are reused as much as possible.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
(package private) static interface	FrozenBufferedUpdates.TermDocsIterator.TermsProvider

Field Summary

Fields

Modifier and Type	Field	Description
private String	field
private BytesRef	lastTerm
private PostingsEnum	postingsEnum
private final FrozenBufferedUpdates.TermDocsIterator.TermsProvider	provider
private BytesRef	readerTerm
private final boolean	sortedTerms
private TermsEnum	termsEnum

Constructor Summary

Constructors

Modifier	Constructor	Description
(package private)	TermDocsIterator(Fields fields, boolean sortedTerms)
private	TermDocsIterator(FrozenBufferedUpdates.TermDocsIterator.TermsProvider provider, boolean sortedTerms)
(package private)	TermDocsIterator(LeafReader reader, boolean sortedTerms)

Method Summary

Modifier and Type	Method	Description
private boolean	assertSorted(BytesRef term)
private DocIdSetIterator	getDocs()
(package private) DocIdSetIterator	nextTerm(String field, BytesRef term)
private void	setField(String field)

Methods inherited from class java.lang.Object

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

Field Details

provider

private final FrozenBufferedUpdates.TermDocsIterator.TermsProvider provider

field

private String field

termsEnum

private TermsEnum termsEnum

postingsEnum

private PostingsEnum postingsEnum

sortedTerms

private final boolean sortedTerms

readerTerm

private BytesRef readerTerm

lastTerm

private BytesRef lastTerm

Constructor Details

TermDocsIterator

TermDocsIterator(Fields fields,
 boolean sortedTerms)

TermDocsIterator

TermDocsIterator(LeafReader reader,
 boolean sortedTerms)

TermDocsIterator

private TermDocsIterator(FrozenBufferedUpdates.TermDocsIterator.TermsProvider provider,
 boolean sortedTerms)

Method Details

setField

private void setField(String field)
               throws IOException

Throws:

IOException

nextTerm

DocIdSetIterator nextTerm(String field,
 BytesRef term)
                   throws IOException

Throws:

IOException

assertSorted

private boolean assertSorted(BytesRef term)

getDocs

private DocIdSetIterator getDocs()
                          throws IOException

Throws:

IOException