org.hibernate.search.query.engine.impl

Class QueryFilters

java.lang.Object

org.hibernate.search.query.engine.impl.QueryFilters

public final class QueryFilters
extends Object

Internal representation for a set of filters to be applied on a query.

Author:

Sanne Grinovero

Field Summary

Fields

Modifier and Type	Field and Description
static QueryFilters	EMPTY_FILTERSET

Constructor Summary

Constructors

Constructor and Description
QueryFilters(List<Query> filterQueries)

Method Summary

Modifier and Type	Method and Description
Query	filterOrPassthrough(Query filteredQuery) Will wrap the passed Query into a BooleanQuery to apply all filters as boolean clauses.
List<Query>	getFilterQueries()
boolean	isEmpty()

Methods inherited from class java.lang.Object

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

Field Detail

EMPTY_FILTERSET

public static final QueryFilters EMPTY_FILTERSET

Constructor Detail

QueryFilters

public QueryFilters(List<Query> filterQueries)

Method Detail

filterOrPassthrough

public Query filterOrPassthrough(Query filteredQuery)

Will wrap the passed Query into a BooleanQuery to apply all filters as boolean clauses. Returns the unmodified (same instance) of the input if there are no filters to be applied.

Parameters:

filteredQuery -

Returns:

getFilterQueries

public List<Query> getFilterQueries()

Returns:

lists all Lucene query instances which should be applied as filters

isEmpty

public boolean isEmpty()

Returns:

true if this contains to filters to be applied.