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package org.apache.lucene.search.highlight;
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The ASF licenses this file to You under the Apache License, Version 2.0
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* (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.apache.org/licenses/LICENSE-2.0
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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import org.apache.lucene.analysis.TokenStream;
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* Implements the policy for breaking text into multiple fragments for
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* consideration by the {@link Highlighter} class. A sophisticated
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* implementation may do this on the basis of detecting end of sentences in the
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public interface Fragmenter {
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* Initializes the Fragmenter. You can grab references to the Attributes you are
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* interested in from tokenStream and then access the values in {@link #isNewFragment()}.
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* @param originalText the original source text
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* @param tokenStream the {@link TokenStream} to be fragmented
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public void start(String originalText, TokenStream tokenStream);
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* Test to see if this token from the stream should be held in a new
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* TextFragment. Every time this is called, the TokenStream
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* passed to start(String, TokenStream) will have been incremented.
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public boolean isNewFragment();