org.wltea.analyzer.lucene.IKAnalyzer Maven / Gradle / Ivy
package org.wltea.analyzer.lucene;
import org.apache.lucene.analysis.Analyzer;
import org.apache.lucene.util.IOUtils;
import java.io.Reader;
import java.io.StringReader;
/**
* IK分词器，Lucene Analyzer接口实现
* 兼容Lucene 6.5.0版本 暴走抹茶 2017.3.28
*/
public final class IKAnalyzer extends Analyzer {
private boolean useSmart;
public boolean useSmart() {
return useSmart;
}
public void setUseSmart(boolean useSmart) {
this.useSmart = useSmart;
}
/**
* IK分词器Lucene Analyzer接口实现类
*
* 默认细粒度切分算法
*/
public IKAnalyzer() {
this(false);
}
/**
* IK分词器Lucene Analyzer接口实现类
*
* @param useSmart 当为true时，分词器进行智能切分
*/
public IKAnalyzer(boolean useSmart) {
super();
this.useSmart = useSmart;
}
/**
* @param fieldName
* @return
*/
@Override
protected TokenStreamComponents createComponents(String fieldName) {
Reader reader = null;
try {
reader = new StringReader(fieldName);
IKTokenizer it = new IKTokenizer(reader);
return new TokenStreamComponents(it);
} finally {
IOUtils.closeWhileHandlingException(reader);
}
}
}