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首页 / 操作系统 / Linux / 基于Solr 4.0正式版的IKAnalyzer分词库修改

Solr 4.0发布了,不过最新的IK分词还不支持,急着用,只能是自己修改了。相关阅读：Solr 4.0已正式发布了 http://www.linuxidc.com/Linux/2012-10/72372.htmIKAnalyzer.java/** * IK 中文分词版本 5.0 * IK Analyzer release 5.0 ** 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. * * 源代码由林良益（linliangyi2005@gmail.com）提供 * 版权声明 2012，乌龙茶工作室 * provided by Linliangyi and copyright 2012 by Oolong studio **/package org.wltea.analyzer.lucene;import java.io.IOException;import java.io.Reader;import org.apache.lucene.analysis.Analyzer;import org.apache.lucene.analysis.TokenStream;import org.apache.lucene.analysis.Tokenizer;/** * IK分词器，Lucene Analyzer接口实现 兼容Lucene 3.1以上版本 */public final class IKAnalyzer extends Analyzer {private boolean isMaxWordLength = false;/** * IK分词器Lucene Analyzer接口实现类 默认最细粒度切分算法 */public IKAnalyzer（） {this（false）;}/** * IK分词器Lucene Analyzer接口实现类 ** @param isMaxWordLength *当为true时，分词器进行最大词长切分 */public IKAnalyzer（boolean isMaxWordLength） {super（）;this.setMaxWordLength（isMaxWordLength）;}@Overridepublic TokenStreamComponents createComponents（String fieldName,Reader reader） {Tokenizer tokenizer = new IKTokenizer（reader, isMaxWordLength（））;return new TokenStreamComponents（tokenizer, null）;}public void setMaxWordLength（boolean isMaxWordLength） {this.isMaxWordLength = isMaxWordLength;}public boolean isMaxWordLength（） {return isMaxWordLength;}}IKTokenizer.java/**
 * IK 中文分词  版本 5.0
 * IK Analyzer release 5.0
 *
 * 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.
 *
 * 源代码由林良益（linliangyi2005@gmail.com）提供
 * 版权声明 2012，乌龙茶工作室
 * provided by Linliangyi and copyright 2012 by Oolong studio
 * *
 */
package org.wltea.analyzer.lucene;import java.io.IOException;
import java.io.Reader;import org.apache.lucene.analysis.Tokenizer;
import org.apache.lucene.analysis.tokenattributes.CharTermAttribute;
import org.apache.lucene.analysis.tokenattributes.OffsetAttribute;import org.wltea.analyzer.core.IKSegmenter;
import org.wltea.analyzer.core.Lexeme;/**
 * IK分词器 Lucene Tokenizer适配器类 兼容Lucene 3.1以上版本
 */
public final class IKTokenizer extends Tokenizer { // IK分词器实现
 private IKSegmenter _IKImplement;
 // 词元文本属性
 private CharTermAttribute termAtt;
 // 词元位移属性
 private OffsetAttribute offsetAtt;
 // 记录最后一个词元的结束位置
 private int finalOffset; /**
  * Lucene 3.5 Tokenizer适配器类构造函数
  *
  * @param in
  * @param useSmart
  */
 public IKTokenizer（Reader in, boolean useSmart） {
  super（in）;
  offsetAtt = addAttribute（OffsetAttribute.class）;
  termAtt = addAttribute（CharTermAttribute.class）;
  _IKImplement = new IKSegmenter（in, useSmart）;
 } /*
  * （non-Javadoc）
  *
  * <A class=referer href="http://www.linuxidc.com" target=_blank>@see</A>  org.apache.lucene.analysis.TokenStream#incrementToken（）
  */
 @Override
 public boolean incrementToken（） throws IOException {
  // 清除所有的词元属性
  clearAttributes（）;
  Lexeme nextLexeme = _IKImplement.next（）;
  if （nextLexeme ！= null） {
   // 将Lexeme转成Attributes
   // 设置词元文本
   termAtt.append（nextLexeme.getLexemeText（））;
   // 设置词元长度
   termAtt.setLength（nextLexeme.getLength（））;
   // 设置词元位移
   offsetAtt.setOffset（nextLexeme.getBeginPosition（）,
     nextLexeme.getEndPosition（））;
   // 记录分词的最后位置
   finalOffset = nextLexeme.getEndPosition（）;
   // 返会true告知还有下个词元
   return true;
  }
  // 返会false告知词元输出完毕
  return false;
 } /*
  * （non-Javadoc）
  *
  * <A class=referer href="http://www.linuxidc.com" target=_blank>@see</A>  org.apache.lucene.analysis.Tokenizer#reset（java.io.Reader）
  */
 public void reset（Reader input） throws IOException {
  super.reset（）;
  _IKImplement.reset（input）;
 } @Override
 public final void end（） {
  // set final offset
  offsetAtt.setOffset（finalOffset, finalOffset）;
 }
}IKTokenizerFactory.java/**
 * IK 中文分词  版本 5.0
 * IK Analyzer release 5.0
 *
 * 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.
 *
 * 源代码由林良益（linliangyi2005@gmail.com）提供
 * 版权声明 2012，乌龙茶工作室
 * provided by Linliangyi and copyright 2012 by Oolong studio
 *
 *
 */
package org.wltea.analyzer.solr;import java.io.Reader;
import java.util.Map;import org.apache.lucene.analysis.Tokenizer;
import org.apache.lucene.analysis.util.TokenizerFactory;
import org.wltea.analyzer.lucene.IKTokenizer;/**
 * IK中文分词
 * Solr分词器工厂实现
 *
 * 2012-3-6
 *
 */
public class IKTokenizerFactory extends TokenizerFactory {
 
 
 private boolean useSmart = false;
 
    @Override
    public void init（Map<String, String> params） {
        super.init（params）;
        String useSmartParam = params.get（"useSmart"）;
        this.useSmart = （useSmartParam ！= null ？ Boolean.parseBoolean（useSmartParam） : false）;
    }  /* （non-Javadoc）
  * <A class=referer href="http://www.linuxidc.com" target=_blank>@see</A>  org.apache.solr.analysis.TokenizerFactory#create（java.io.Reader）
  */
 public Tokenizer create（Reader in） {
  return new IKTokenizer（in , this.useSmart）;
 }}Ubuntu 12.10 常用软件自动安装脚本2013腾讯校园招聘软件研发笔试题相关资讯      Solr  Solr 4.0  ikanalyzer 
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