pylucene 3.5.0-3

[pylucene.git] / lucene-java-3.5.0 / lucene / contrib / facet / src / java / org / apache / lucene / facet / index / categorypolicy / DefaultOrdinalPolicy.java

diff --git a/lucene-java-3.5.0/lucene/contrib/facet/src/java/org/apache/lucene/facet/index/categorypolicy/DefaultOrdinalPolicy.java b/lucene-java-3.5.0/lucene/contrib/facet/src/java/org/apache/lucene/facet/index/categorypolicy/DefaultOrdinalPolicy.java
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+++ b/lucene-java-3.5.0/lucene/contrib/facet/src/java/org/apache/lucene/facet/index/categorypolicy/DefaultOrdinalPolicy.java
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+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) { }
+}