br.com.objectos.comuns.assincrono.TarefaAbstrata Maven / Gradle / Ivy

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/*
 * Copyright 2011 Objectos, Fábrica de Software LTDA.
 *
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
 * use this file except in compliance with the License. You may obtain a copy of
 * the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations under
 * the License.
 */
package br.com.objectos.comuns.assincrono;

/**
 * @author [email protected] (Marcio Endo)
 */
public abstract class TarefaAbstrata implements Tarefa {

  private final Agenda agenda;

  private final Agendamento agendamento;

  public TarefaAbstrata(Agenda agenda, Agendamento agendamento) {
    this.agenda = agenda;
    this.agendamento = agendamento;
  }

  @Override
  public T call() throws Exception {
    try {
      T resultado = executar();

      agenda.marcarTerminado(agendamento);

      return resultado;
    } catch (Exception e) {
      e.printStackTrace();
      agenda.sinalizarErro(agendamento);
      throw e;
    } finally {
      finalizar();
    }
  }

  protected Identificador getIdentificador() {
    return agendamento.getIdentificador();
  }

  protected  C getConfiguracao() {
    return agendamento. getConfiguracao();
  }

  protected abstract T executar() throws Exception;

  protected abstract void finalizar();

}