package org.apache.lucene.index; /** * 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. */ import java.io.IOException; import org.apache.lucene.document.Fieldable; abstract class InvertedDocConsumerPerField { // Called once per field, and is given all Fieldable // occurrences for this field in the document. Return // true if you wish to see inverted tokens for these // fields: abstract boolean start(Fieldable[] fields, int count) throws IOException; // Called before a field instance is being processed abstract void start(Fieldable field); // Called once per inverted token abstract void add() throws IOException; // Called once per field per document, after all Fieldable // occurrences are inverted abstract void finish() throws IOException; // Called on hitting an aborting exception abstract void abort(); }