AttendeeParticipationCatcher.java

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/*
 * Turró i Cutiller Foundation. License notice.
 * Copyright (C) 2017 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 org.turro.contacts.Attendee;
import org.turro.contacts.db.ContactsPU;
import org.turro.elephant.db.WhereClause;
import org.turro.jpa.Dao;
import org.turro.path.Path;
 
@ParticipationCatcher
public class AttendeeParticipationCatcher extends JpaParticipationCatcher<Attendee> {
 
  @Override
  public String getDescription() {
    return "BrightSide Contacts - Attendee";
  }
 
  @Override
  public Dao createDao() {
    return new ContactsPU();
  }
 
  @Override
  public WhereClause getQuery(Path entityPath) {
    WhereClause wc = new WhereClause();
    wc.addClause("select distinct a from Attendee as a");
    wc.addClause("where a.contact.id = :id");
    wc.addNamedValue("id", entityPath.getLastNode());
    return wc;
  }
 
  @Override
  public boolean getCanDelete(Attendee v) {
    return true;
  }
 
  @Override
  public String getDescription(Attendee v) {
    return v.getConvocation().getName();
  }
 
  @Override
  public void doDelete(Attendee v) {
    // Using SQL because has cascading attributes in Convocation
    WhereClause wc = new WhereClause();
    wc.addClause("delete from Attendee where id = :id");
    wc.addNamedValue("id", v.getId());
    getDao().executeUpdate(wc);
  }
 
  @Override
  public void doShow(Attendee v) {
    // nothing to show?
  }
  
  @Override
  public void onChange(Object entity) {
    // do nothing
  }
  
  @Override
  public void onDelete(Object entity) {
    // do nothing
  }
 
  @Override
  public boolean getCanChangeFor(Attendee v) {
    return false;
  }
 
  @Override
  public void doChangeFor(Attendee v, Path toPath) {
    // do nothing
  }
  
  @Override
  public Object getReferringEntity(Attendee v) {
    return v.getConvocation();
  }
  
}