Package com.yahoo.search.predicate.optimization

Class FeatureConjunctionTransformer

java.lang.Object

com.yahoo.search.predicate.optimization.FeatureConjunctionTransformer

All Implemented Interfaces:

com.yahoo.search.predicate.optimization.PredicateProcessor

public class FeatureConjunctionTransformer
extends Object
implements com.yahoo.search.predicate.optimization.PredicateProcessor

Transforms Conjunctions with only (negated) FeatureSet instances to FeatureConjunction. The FeatureConjunctions are indexed by the ConjunctionIndex.

Author:

bjorncs

Constructor Summary

Constructors

Constructor	Description
FeatureConjunctionTransformer(boolean useConjunctionAlgorithm)

Method Summary

Modifier and Type	Method	Description
com.yahoo.document.predicate.Predicate	process(com.yahoo.document.predicate.Predicate predicate, com.yahoo.search.predicate.optimization.PredicateOptions options)

Methods inherited from class java.lang.Object

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

Constructor Details

FeatureConjunctionTransformer

public FeatureConjunctionTransformer(boolean useConjunctionAlgorithm)

Method Details

process

public com.yahoo.document.predicate.Predicate process(com.yahoo.document.predicate.Predicate predicate,
 com.yahoo.search.predicate.optimization.PredicateOptions options)

Specified by:

process in interface com.yahoo.search.predicate.optimization.PredicateProcessor