org.hibernate.search.query.dsl.BooleanJunction Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of hibernate-search-engine Show documentation

Core of the Object/Lucene mapper, query engine and index management

There is a newer version: 5.11.12.Final

Show newest version

/*
 * Hibernate Search, full-text search for your domain model
 *
 * License: GNU Lesser General Public License (LGPL), version 2.1 or later
 * See the lgpl.txt file in the root directory or .
 */

package org.hibernate.search.query.dsl;

import org.apache.lucene.search.Query;

/**
 * Represents a boolean query that can contains one or more elements to join
 *
 * @author Emmanuel Bernard
 */
public interface BooleanJunction extends QueryCustomization, Termination {
	/**
	 * The boolean query results should match the subquery
	 */
	BooleanJunction should(Query query);

	/**
	 * The boolean query results must (or must not) match the subquery
	 * Call the .not() method to ensure results of the boolean query do NOT match the subquery.
	 */
	MustJunction must(Query query);

	/**
	 * @return true if no restrictions have been applied
	 */
	boolean isEmpty();
}