Package org.apache.lucene.tests.search

Class RandomApproximationQuery.RandomTwoPhaseView

java.lang.Object

org.apache.lucene.search.TwoPhaseIterator

org.apache.lucene.tests.search.RandomApproximationQuery.RandomTwoPhaseView

Enclosing class:

RandomApproximationQuery

public static class RandomApproximationQuery.RandomTwoPhaseView
extends TwoPhaseIterator

A wrapper around a DocIdSetIterator that matches the same documents, but introduces false positives that need to be verified via TwoPhaseIterator.matches().

Field Summary

Fields inherited from class org.apache.lucene.search.TwoPhaseIterator

approximation

Constructor Summary

Constructors

Constructor	Description
RandomTwoPhaseView(Random random, DocIdSetIterator disi)	Constructor.

Method Summary

Modifier and Type	Method	Description
int	docIDRunEnd()
float	matchCost()
boolean	matches()

Methods inherited from class org.apache.lucene.search.TwoPhaseIterator

approximation, asDocIdSetIterator, unwrap

Methods inherited from class java.lang.Object

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

Constructor Details

RandomTwoPhaseView

public RandomTwoPhaseView(Random random,
 DocIdSetIterator disi)

Constructor.

Method Details

matches

public boolean matches()
                throws IOException

Specified by:

matches in class TwoPhaseIterator

Throws:

IOException

matchCost

public float matchCost()

Specified by:

matchCost in class TwoPhaseIterator

docIDRunEnd

public int docIDRunEnd()
                throws IOException

Overrides:

docIDRunEnd in class TwoPhaseIterator

Throws:

IOException