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SearchTest.javaAPI DocApache Lucene 1.92983Mon Feb 20 09:19:40 GMT 2006org.apache.lucene

SearchTest

public class SearchTest extends Object
Copyright 2004 The Apache Software Foundation 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 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());
    }