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Lucene example source code file (SingleFieldTestDb.java)

This example Lucene source code file (SingleFieldTestDb.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Java - Lucene tags/keywords

directory, directory, document, document, error, field, indexwriter, indexwriter, indexwriterconfig, mockanalyzer, mockdirectorywrapper, singlefieldtestdb, string, string, util

The Lucene SingleFieldTestDb.java source code

package org.apache.lucene.queryParser.surround.query;

 * 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,
 * See the License for the specific language governing permissions and
 * limitations under the License.

import java.util.Random;

import org.apache.lucene.store.Directory;
import org.apache.lucene.store.MockDirectoryWrapper;
import org.apache.lucene.store.RAMDirectory;
import org.apache.lucene.util.Version;
import org.apache.lucene.analysis.MockAnalyzer;
import org.apache.lucene.document.Document;
import org.apache.lucene.document.Field;
import org.apache.lucene.index.IndexWriter;
import org.apache.lucene.index.IndexWriterConfig;

public class SingleFieldTestDb {
  private Directory db;
  private String[] docs;
  private String fieldName;
  public SingleFieldTestDb(Random random, String[] documents, String fName) {
    try {
      db = new MockDirectoryWrapper(random, new RAMDirectory());
      docs = documents;
      fieldName = fName;
      IndexWriter writer = new IndexWriter(db, new IndexWriterConfig(
          new MockAnalyzer(random)));
      for (int j = 0; j < docs.length; j++) {
        Document d = new Document();
        d.add(new Field(fieldName, docs[j], Field.Store.NO, Field.Index.ANALYZED));
    } catch (java.io.IOException ioe) {
      throw new Error(ioe);
  Directory getDb() {return db;}
  String[] getDocs() {return docs;}
  String getFieldname() {return fieldName;}

Other Lucene examples (source code examples)

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