+++ /dev/null
-package org.apache.lucene.facet.taxonomy.writercache.cl2o;
-
-import org.apache.lucene.facet.taxonomy.CategoryPath;
-
-/**
- * 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.
- */
-
-/**
- * Abstract class for storing Label->Ordinal mappings in a taxonomy.
- *
- * @lucene.experimental
- */
-public abstract class LabelToOrdinal {
-
- protected int counter;
- public static final int InvalidOrdinal = -2;
-
- /**
- * return the maximal Ordinal assigned so far
- */
- public int getMaxOrdinal() {
- return this.counter;
- }
-
- /**
- * Returns the next unassigned ordinal. The default behavior of this method
- * is to simply increment a counter.
- */
- public int getNextOrdinal() {
- return this.counter++;
- }
-
- /**
- * Adds a new label if its not yet in the table.
- * Throws an {@link IllegalArgumentException} if the same label with
- * a different ordinal was previoulsy added to this table.
- */
- public abstract void addLabel(CategoryPath label, int ordinal);
-
- /**
- * Adds a new label if its not yet in the table.
- * Throws an {@link IllegalArgumentException} if the same label with
- * a different ordinal was previoulsy added to this table.
- */
- public abstract void addLabel(CategoryPath label, int prefixLen, int ordinal);
-
- /**
- * @return the ordinal assigned to the given label,
- * or {@link #InvalidOrdinal} if the label cannot be found in this table.
- */
- public abstract int getOrdinal(CategoryPath label);
-
- /**
- * @return the ordinal assigned to the given label,
- * or {@link #InvalidOrdinal} if the label cannot be found in this table.
- */
- public abstract int getOrdinal(CategoryPath label, int prefixLen);
-
-}