br.pucminas.ri.jsearch.querylog.LogController.java Source code

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Here is the source code for br.pucminas.ri.jsearch.querylog.LogController.java

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/*
 * Copyright (C) 2016 josue
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
package br.pucminas.ri.jsearch.querylog;

import java.util.ArrayList;
import java.util.List;
import javax.persistence.*;
import org.apache.commons.lang3.StringUtils;

/**
 *
 * @author josue
 */
public class LogController {

    EntityManagerFactory emf;
    EntityManager em;

    private void createConnection() {
        emf = Persistence.createEntityManagerFactory("$objectdb/db/logs.odb");
        em = emf.createEntityManager();
    }

    private void closeConnection() {
        em.close();
        emf.close();
    }

    synchronized public void insert(String ip, String q, String docId) {
        Log query = new Log(ip, q, docId);
        createConnection();
        em.getTransaction().begin();
        em.persist(query);
        em.getTransaction().commit();
        closeConnection();
    }

    synchronized public List<Log> getAll() {
        createConnection();
        TypedQuery<Log> query = em.createQuery("SELECT l FROM Log l", Log.class);
        List<Log> result = query.getResultList();
        closeConnection();
        return result;
    }

    synchronized public List<Log> getLogsByIp(String ip) {
        createConnection();
        String queryString = String.format("SELECT l FROM Log l WHERE l.ip = '%s'", ip);
        Query query = em.createQuery(queryString);
        query.getResultList();
        List<Log> result = query.getResultList();
        closeConnection();
        return result;
    }

    synchronized public List<Log> getAllLike(String query) {
        List<Log> all = getAll();
        ArrayList<Log> result = new ArrayList<>();

        all.stream().filter((l) -> (StringUtils.getJaroWinklerDistance(query, l.getQuery()) >= 0.80))
                .forEachOrdered((l) -> {
                    result.add(l);
                });

        return result;
    }

    synchronized public boolean contains(int docId, List<Log> logs) {

        if (logs == null)
            return false;

        return logs.stream().anyMatch((l) -> (l.getDocId().equals(String.valueOf(docId))));
    }
}