package org.apache.lucene.facet.index.categorypolicy;
import org.apache.lucene.facet.taxonomy.TaxonomyReader;
import org.apache.lucene.facet.taxonomy.TaxonomyWriter;
/**
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/**
* This class filters our the ROOT category ID. For more information see
* {@link OrdinalPolicy}.
*
* @lucene.experimental
*/
public class DefaultOrdinalPolicy implements OrdinalPolicy {
/**
* Filters out (returns false) ordinals equal or less than
* {@link TaxonomyReader#ROOT_ORDINAL}. true otherwise.
*/
public boolean shouldAdd(int ordinal) {
return ordinal > TaxonomyReader.ROOT_ORDINAL;
}
/**
* Implemented as NO-OP as the default is not taxonomy dependent
*/
public void init(TaxonomyWriter taxonomyWriter) { }
}