com.nearinfinity.blur.utils.TermDocIterableTest.java Source code

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Here is the source code for com.nearinfinity.blur.utils.TermDocIterableTest.java

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/*
 * Copyright (C) 2011 Near Infinity Corporation
 *
 * 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.
 */

package com.nearinfinity.blur.utils;

import static com.nearinfinity.blur.lucene.LuceneConstant.LUCENE_VERSION;
import static org.junit.Assert.assertEquals;

import java.io.File;
import java.io.IOException;

import org.apache.lucene.analysis.standard.StandardAnalyzer;
import org.apache.lucene.document.Document;
import org.apache.lucene.document.Field;
import org.apache.lucene.document.FieldSelector;
import org.apache.lucene.document.FieldSelectorResult;
import org.apache.lucene.document.Field.Index;
import org.apache.lucene.document.Field.Store;
import org.apache.lucene.index.IndexReader;
import org.apache.lucene.index.IndexWriter;
import org.apache.lucene.index.IndexWriterConfig;
import org.apache.lucene.index.Term;
import org.apache.lucene.index.TermDocs;
import org.apache.lucene.store.FSDirectory;
import org.junit.Before;
import org.junit.Test;

public class TermDocIterableTest {

    private static final int BLOCKS = 10;
    private static final int COUNT_PER_BLOCK = 100;
    private IndexReader reader;

    @Before
    public void setup() throws IOException {
        reader = createIndexReader();
    }

    @SuppressWarnings("serial")
    @Test
    public void testTermDocIterable() throws IOException {
        for (int pass = 0; pass < 1; pass++) {
            for (int id = 0; id < BLOCKS; id++) {
                TermDocs termDocs = reader.termDocs(new Term("id", Integer.toString(id)));
                TermDocIterable iterable = new TermDocIterable(termDocs, reader, new FieldSelector() {
                    @Override
                    public FieldSelectorResult accept(String fieldName) {
                        return FieldSelectorResult.LOAD;
                    }
                });
                int count = 0;
                int i = 0;
                long s = System.nanoTime();
                for (Document document : iterable) {
                    count++;
                    assertEquals(i, Integer.parseInt(document.get("field")));
                    i++;
                }
                long time = System.nanoTime() - s;
                System.out.println(time / 1000000.0 + " " + id + " " + pass);
                assertEquals(COUNT_PER_BLOCK, count);
            }
        }
    }

    private IndexReader createIndexReader() throws IOException {
        FSDirectory directory = FSDirectory.open(new File("./tmp/termdociterable"));
        if (!IndexReader.indexExists(directory)) {
            rm(new File("./tmp/termdociterable"));
            IndexWriter writer = new IndexWriter(directory,
                    new IndexWriterConfig(LUCENE_VERSION, new StandardAnalyzer(LUCENE_VERSION)));
            for (int i = 0; i < BLOCKS; i++) {
                addDocumentBlock(i, COUNT_PER_BLOCK, writer);
            }
            writer.close();
        }
        return IndexReader.open(directory);
    }

    private File rm(File file) {
        if (file.isDirectory()) {
            for (File f : file.listFiles()) {
                rm(f);
            }
        }
        file.delete();
        return file;
    }

    private void addDocumentBlock(int id, int count, IndexWriter writer) throws IOException {
        for (int i = 0; i < count; i++) {
            Document document = new Document();
            document.add(new Field("id", Integer.toString(id), Store.YES, Index.NOT_ANALYZED_NO_NORMS));
            document.add(new Field("field", Integer.toString(i), Store.YES, Index.NOT_ANALYZED_NO_NORMS));
            for (int j = 0; j < 100; j++) {
                document.add(new Field("field" + j,
                        "testing here testing here testing here testing here testing here testing here testing here",
                        Store.YES, Index.NO));
            }
            writer.addDocument(document);
        }
    }

}