com.nearinfinity.blur.search.TestingPagingCollector.java Source code

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Here is the source code for com.nearinfinity.blur.search.TestingPagingCollector.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.search;

/**
 * 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.
 */
import static com.nearinfinity.blur.lucene.LuceneConstant.LUCENE_VERSION;

import java.util.concurrent.atomic.AtomicBoolean;

import org.apache.lucene.analysis.KeywordAnalyzer;
import org.apache.lucene.document.Document;
import org.apache.lucene.document.Field;
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.search.IndexSearcher;
import org.apache.lucene.search.ScoreDoc;
import org.apache.lucene.search.TermQuery;
import org.apache.lucene.store.RAMDirectory;
import org.junit.Test;

import com.nearinfinity.blur.lucene.search.IterablePaging;
import com.nearinfinity.blur.lucene.search.IterablePaging.ProgressRef;
import com.nearinfinity.blur.lucene.search.IterablePaging.TotalHitsRef;

/**
 * Testing the paging collector.
 * 
 * @author Aaron McCurry
 */
public class TestingPagingCollector {

    @Test
    public void testNothingYet() {

    }

    public static void main(String[] args) throws Exception {
        IndexReader reader = getReaderFlatScore(13245);
        IndexSearcher searcher = new IndexSearcher(reader);

        TotalHitsRef totalHitsRef = new TotalHitsRef();
        ProgressRef progressRef = new ProgressRef();

        TermQuery query = new TermQuery(new Term("f1", "value"));
        IterablePaging paging = new IterablePaging(new AtomicBoolean(true), searcher, query, 100);

        for (ScoreDoc sd : paging.skipTo(90).gather(20).totalHits(totalHitsRef).progress(progressRef)) {

            System.out.println("time [" + progressRef.queryTime() + "] " + "total hits [" + totalHitsRef.totalHits()
                    + "] " + "searches [" + progressRef.searchesPerformed() + "] " + "position ["
                    + progressRef.currentHitPosition() + "] " + "doc id [" + sd.doc + "] " + "score [" + sd.score
                    + "]");
        }
    }

    private static IndexReader getReaderFlatScore(int length) throws Exception {
        RAMDirectory directory = new RAMDirectory();
        IndexWriter indexWriter = new IndexWriter(directory,
                new IndexWriterConfig(LUCENE_VERSION, new KeywordAnalyzer()));
        for (int i = 0; i < length; i++) {
            Document document = new Document();
            document.add(new Field("f1", "value", Store.NO, Index.ANALYZED_NO_NORMS));
            indexWriter.addDocument(document);
        }
        indexWriter.close();
        return IndexReader.open(directory);
    }

}