org.lareferencia.backend.OAIRecordPaginationTests.java Source code

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Here is the source code for org.lareferencia.backend.OAIRecordPaginationTests.java

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/*******************************************************************************
 * Copyright (c) 2013 
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the GNU Public License v2.0
 * which accompanies this distribution, and is available at
 * http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
 * 
 * Contributors:
 *     Lautaro Matas (lmatas@gmail.com) - Desarrollo e implementacin
 *     Emiliano Marmonti(emarmonti@gmail.com) - Coordinacin del componente III
 * 
 * Este software fue desarrollado en el marco de la consultora "Desarrollo e implementacin de las soluciones - Prueba piloto del Componente III -Desarrollador para las herramientas de back-end" del proyecto Estrategia Regional y Marco de Interoperabilidad y Gestin para una Red Federada Latinoamericana de Repositorios Institucionales de Documentacin Cientfica? financiado por Banco Interamericano de Desarrollo (BID) y ejecutado por la Cooperacin Latino Americana de Redes Avanzadas, CLARA.
 ******************************************************************************/
package org.lareferencia.backend;

import java.util.ArrayList;
import java.util.List;

import org.junit.Test;
import org.junit.runner.RunWith;
import org.lareferencia.backend.domain.NetworkSnapshot;
import org.lareferencia.backend.domain.OAIRecord;
import org.lareferencia.backend.repositories.NetworkSnapshotRepository;
import org.lareferencia.backend.repositories.OAIRecordRepository;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.domain.Page;
import org.springframework.data.domain.PageRequest;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
import org.springframework.transaction.annotation.Transactional;

@ContextConfiguration
@RunWith(SpringJUnit4ClassRunner.class)
public class OAIRecordPaginationTests {

    private static final int PAGE_SIZE = 5;

    @Autowired
    OAIRecordRepository oaiRecordRepository;

    @Autowired
    NetworkSnapshotRepository networkSnapshotRepository;

    @Test
    @Transactional
    public void test() throws Exception {

        NetworkSnapshot snapshot = networkSnapshotRepository.findOne(9L);

        Page<OAIRecord> page = oaiRecordRepository.findBySnapshotId(snapshot.getId(),
                new PageRequest(0, PAGE_SIZE));
        int totalPages = page.getTotalPages();

        List<Long> allIdsNotOptimized = new ArrayList<Long>();
        List<Long> allIdsOptimized = new ArrayList<Long>();

        for (int i = 0; i < totalPages; i++) {
            page = oaiRecordRepository.findBySnapshotId(snapshot.getId(), new PageRequest(i, PAGE_SIZE));

            for (OAIRecord record : page.getContent())
                allIdsNotOptimized.add(record.getId());
        }

        /*
        page = oaiRecordRepository.findBySnapshotId(snapshot.getId(), new PageRequest(0, PAGE_SIZE));
        totalPages = page.getTotalPages();
            
        Long lastId = -1L;
            
        for (int i = 0; i < totalPages; i++) {
               
           page = oaiRecordRepository.findBySnapshotIdLimited(snapshot.getId(), lastId, new PageRequest(0, PAGE_SIZE));
               
           List<OAIRecord> records = page.getContent();
           for (OAIRecord record:records)
        allIdsOptimized.add( record.getId() );
               
           lastId = records.get( records.size()-1 ).getId();
        }
            
        assertEquals( allIdsNotOptimized.size(), allIdsOptimized.size() );
            
        for ( int i=0; i<allIdsNotOptimized.size(); i++) {
           assertEquals( allIdsNotOptimized.get(i), allIdsOptimized.get(i) );
        }*/

    }

}