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) { } }