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/***
 * OW2 FraSCAti Transaction service
 * Copyright (C) 2008-2009 INRIA, USTL
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 *
 * This library 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307
 * USA
 *
 * Contact: [email protected]
 *
 * Author: Nicolas Dolet
 */
package org.ow2.frascati.transaction.intent.handler;

import javax.transaction.Status;

import org.objectweb.fractal.api.Interface;
import org.objectweb.fractal.util.Fractal;
import org.osoa.sca.annotations.Scope;
import org.ow2.frascati.tinfi.api.IntentJoinPoint;

@Scope("COMPOSITE")
public class NoManagedTransactionIntentHandler
     extends AbstractTransactionIntentHandler {

  // --------------------------------------------------------------------------
  // Implementation of the IntentHandler interface
  // --------------------------------------------------------------------------

  /**
   * @see org.ow2.frascati.tinfi.control.intent.IntentHandler#invoke(IntentJoinPoint)
   */
  public Object invoke(IntentJoinPoint ijp) throws Throwable {
    // Check that the joinpoint will be proceeded outside of the scope of
    // a transaction. If not, this intent handler throws an Error
    String componentName = Fractal.getNameController(
        ((Interface) ijp.getComponent()).getFcItfOwner()).getFcName();
    if (transactionManager.getStatus() != Status.STATUS_NO_TRANSACTION)
      throw new Error("Component " + componentName + " must be executed out of"
          + "the scope of a transaction");
    return ijp.proceed();
  }

}