RelatedPathsUtil.java

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/*
 * Turró i Cutiller Foundation. License notice.
 * Copyright (C) 2012 Lluis Turró Cutiller <http://www.turro.org/>
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero 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 Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 
 
package org.turro.relpaths;
 
import java.util.Date;
import java.util.List;
import org.turro.contacts.RelatedPaths;
import org.turro.contacts.db.ContactsPU;
import org.turro.jpa.Dao;
 
@Deprecated
public class RelatedPathsUtil {
 
  public static void addRelation(String origin, String destination, String description) {
    if(!existsRelation(origin, destination)) {
      RelatedPaths rp = new RelatedPaths();
      rp.setOrigin(origin);
      rp.setDestination(destination);
      rp.setDescription(description);
      if(!rp.isEmpty()) {
        rp.setCreation(new Date());
        Dao dao = new ContactsPU();
        dao.saveObject(rp);
      }
    }
  }
 
  public static void removeRelation(String origin, String destination) {
    Dao dao = new ContactsPU();
    dao.executeUpdate(
            " delete from RelatedPaths " +
            " where origin = ? " +
            " and destination = ?",
            new Object[] { origin, destination }
            );
  }
 
  public static void removePath(String path) {
    Dao dao = new ContactsPU();
    dao.executeUpdate(
            " delete from RelatedPaths " +
            " where origin = ? or destination = ?",
            new Object[] { path, path }
            );
  }
 
  public static boolean existsRelation(String origin, String destination) {
    Dao dao = new ContactsPU();
    return ((Long) dao.getSingleResult(
            " select count(*) from RelatedPaths " +
            " where origin = ? and destination = ?",
            new Object[] { origin, destination }
            )) > 0;
  }
 
  public static boolean existsPath(String path) {
    Dao dao = new ContactsPU();
    return ((Long) dao.getSingleResult(
            " select count(*) from RelatedPaths " +
            " where origin = ? or destination = ?",
            new Object[] { path, path }
            )) > 0;
  }
 
  public static List<RelatedPaths> destinations(String path) {
    Dao dao = new ContactsPU();
    return (List<RelatedPaths>)dao.getResultList(
            " select rp from RelatedPaths as rp" +
            " where origin = ?",
            new Object[] { path }
            );
  }
 
  public static List<RelatedPaths> origins(String path) {
    Dao dao = new ContactsPU();
    return (List<RelatedPaths>)dao.getResultList(
            " select rp from RelatedPaths as rp" +
            " where destination = ?",
            new Object[] { path }
            );
  }
 
  private RelatedPathsUtil() {
  }
 
}