X-Git-Url: https://git.mdrn.pl/pylucene.git/blobdiff_plain/a2e61f0c04805cfcb8706176758d1283c7e3a55c..aaeed5504b982cf3545252ab528713250aa33eed:/lucene-java-3.5.0/lucene/contrib/facet/src/java/org/apache/lucene/facet/index/categorypolicy/NonTopLevelPathPolicy.java diff --git a/lucene-java-3.5.0/lucene/contrib/facet/src/java/org/apache/lucene/facet/index/categorypolicy/NonTopLevelPathPolicy.java b/lucene-java-3.5.0/lucene/contrib/facet/src/java/org/apache/lucene/facet/index/categorypolicy/NonTopLevelPathPolicy.java new file mode 100644 index 0000000..768c0b2 --- /dev/null +++ b/lucene-java-3.5.0/lucene/contrib/facet/src/java/org/apache/lucene/facet/index/categorypolicy/NonTopLevelPathPolicy.java @@ -0,0 +1,43 @@ +package org.apache.lucene.facet.index.categorypolicy; + +import org.apache.lucene.facet.taxonomy.CategoryPath; +import org.apache.lucene.facet.taxonomy.TaxonomyReader; + +/** + * 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, and it's direct descendants. For + * more information see {@link PathPolicy}. + * + * @lucene.experimental + */ +public class NonTopLevelPathPolicy implements PathPolicy { + + /** + * The shortest path length delivered is two components (root + one child). + */ + public final int DEFAULT_MINIMAL_SUBPATH_LENGTH = 2; + + /** + * Filters out (returns false) CategoryPaths equal or less than + * {@link TaxonomyReader#ROOT_ORDINAL}. true otherwise. + */ + public boolean shouldAdd(CategoryPath categoryPath) { + return categoryPath.length() >= DEFAULT_MINIMAL_SUBPATH_LENGTH; + } +}