JpaParticipationCatcher.java

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/*
 * Turró i Cutiller Foundation. License notice.
 * Copyright (C) 2011 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.activity;
 
import java.util.ArrayList;
import java.util.List;
import org.turro.elephant.db.WhereClause;
import org.turro.jpa.Dao;
import org.turro.path.Path;
 
public abstract class JpaParticipationCatcher<V> implements IParticipationCatcher {
 
  private Dao dao;
 
  @Override
  public List<IParticipation> getParticipations(Path entityPath) {
    List<V> l = getDao().getResultList(getQuery(entityPath));
    List<IParticipation> participations = new ArrayList<>(l.size());
    for(V v : l) {
      JpaParticipation<V> ja = new JpaParticipation(this);
      ja.setEntity(v);
      ja.setCanDelete(getCanDelete(v));
      ja.setCanChangeFor(getCanChangeFor(v));
      ja.setDescription(getDescription(v));
      ja.setReferring(getReferringEntity(v));
      participations.add(ja);
    }
    return participations;
  }
 
  public Dao getDao() {
    if(dao == null) {
      dao = createDao();
    }
    return dao;
  }
 
  public abstract Dao createDao();
  public abstract WhereClause getQuery(Path entityPath);
  public abstract boolean getCanDelete(V v);
  public abstract boolean getCanChangeFor(V v);
  public abstract String getDescription(V v);
  public abstract void doDelete(V v);
  public abstract void doShow(V v);
  public abstract void doChangeFor(V v, Path toPath);
  public abstract Object getReferringEntity(V v);
 
}