package lia.analysis;
/**
* Copyright Manning Publications Co.
*
* Licensed 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 lan
*/
import org.apache.lucene.store.RAMDirectory;
import org.apache.lucene.index.IndexWriter;
import org.apache.lucene.analysis.Analyzer;
import org.apache.lucene.analysis.standard.StandardAnalyzer;
import org.apache.lucene.document.Document;
import org.apache.lucene.document.Field;
import org.apache.lucene.search.Query;
import org.apache.lucene.queryParser.QueryParser;
import org.apache.lucene.queryParser.ParseException;
import org.apache.lucene.util.Version;
import java.io.IOException;
// From chapter 4
public class UsingAnalyzersExample {
/**
* This method doesn't do anything, except compile correctly.
* This is used to show snippets of how Analyzers are used.
*/
public void someMethod() throws IOException, ParseException {
RAMDirectory directory = new RAMDirectory();
Analyzer analyzer = new StandardAnalyzer(Version.LUCENE_30);
IndexWriter writer = new IndexWriter(directory, analyzer, IndexWriter.MaxFieldLength.UNLIMITED);
Document doc = new Document();
doc.add(new Field("title", "This is the title", Field.Store.YES, Field.Index.ANALYZED));
doc.add(new Field("contents", "...document contents...", Field.Store.NO, Field.Index.ANALYZED));
writer.addDocument(doc);
writer.addDocument(doc, analyzer);
String expression = "some query";
Query query = new QueryParser(Version.LUCENE_30,
"contents", analyzer)
.parse(expression);
QueryParser parser = new QueryParser(Version.LUCENE_30,
"contents", analyzer);
query = parser.parse(expression);
}
}