FileDocCategorySizeDatePackage
SearchTest.javaAPI DocApache Lucene 2.1.03171Wed Feb 14 10:46:36 GMT 2007org.apache.lucene

SearchTest

public class SearchTest extends Object
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.

Fields Summary
Constructors Summary
Methods Summary
static longTime(int year, int month, int day)

    GregorianCalendar calendar = new GregorianCalendar();
    calendar.set(year, month, day);
    return calendar.getTime().getTime();
  
public static voidmain(java.lang.String[] args)

    try {
      Directory directory = new RAMDirectory();  
      Analyzer analyzer = new SimpleAnalyzer();
      IndexWriter writer = new IndexWriter(directory, analyzer, true);

      String[] docs = {
        "a b c d e",
        "a b c d e a b c d e",
        "a b c d e f g h i j",
        "a c e",
        "e c a",
        "a c e a c e",
        "a c e a b c"
      };
      for (int j = 0; j < docs.length; j++) {
        Document d = new Document();
        d.add(new Field("contents", docs[j], Field.Store.YES, Field.Index.TOKENIZED));
        writer.addDocument(d);
      }
      writer.close();

      Searcher searcher = new IndexSearcher(directory);
      
      String[] queries = {
// 	"a b",
// 	"\"a b\"",
// 	"\"a b c\"",
// 	"a c",
// 	"\"a c\"",
	    "\"a c e\"",
      };
      Hits hits = null;

      QueryParser parser = new QueryParser("contents", analyzer);
      parser.setPhraseSlop(4);
      for (int j = 0; j < queries.length; j++) {
        Query query = parser.parse(queries[j]);
        System.out.println("Query: " + query.toString("contents"));

      //DateFilter filter =
      //  new DateFilter("modified", Time(1997,0,1), Time(1998,0,1));
      //DateFilter filter = DateFilter.Before("modified", Time(1997,00,01));
      //System.out.println(filter);

        hits = searcher.search(query);

        System.out.println(hits.length() + " total results");
        for (int i = 0 ; i < hits.length() && i < 10; i++) {
          Document d = hits.doc(i);
          System.out.println(i + " " + hits.score(i)
// 			   + " " + DateField.stringToDate(d.get("modified"))
            + " " + d.get("contents"));
        }
      }
      searcher.close();
      
    } catch (Exception e) {
      System.out.println(" caught a " + e.getClass() +
			 "\n with message: " + e.getMessage());
    }