| /* |
| * 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. |
| */ |
| package org.apache.lucene.search.highlight; |
| import org.apache.lucene.analysis.TokenStream; |
| |
| /** |
| * Implements the policy for breaking text into multiple fragments for |
| * consideration by the {@link Highlighter} class. A sophisticated |
| * implementation may do this on the basis of detecting end of sentences in the |
| * text. |
| */ |
| public interface Fragmenter { |
| |
| /** |
| * Initializes the Fragmenter. You can grab references to the Attributes you are |
| * interested in from tokenStream and then access the values in {@link #isNewFragment()}. |
| * |
| * @param originalText the original source text |
| * @param tokenStream the {@link TokenStream} to be fragmented |
| */ |
| public void start(String originalText, TokenStream tokenStream); |
| |
| |
| /** |
| * Test to see if this token from the stream should be held in a new |
| * TextFragment. Every time this is called, the TokenStream |
| * passed to start(String, TokenStream) will have been incremented. |
| * |
| */ |
| public boolean isNewFragment(); |
| } |