org.ow2.frascati.tinfi.control.content.LifeCycleSCAContentTrait.scala Maven / Gradle / Ivy

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/***
 * OW2 FraSCAti Tinfi
 * Copyright (C) 2011-2021 Inria, Univ. Lille
 *
 * 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: Lionel Seinturier
 */

package org.ow2.frascati.tinfi.control.content

import java.lang.Object

import org.objectweb.fractal.api.control.IllegalLifeCycleException
import org.objectweb.fractal.api.control.LifeCycleController
import org.objectweb.fractal.julia.control.lifecycle.UseLifeCycleControllerTrait
import org.objectweb.fractal.julia.BasicControllerTrait

/**
 * Provides lifecycle related checks to a {@link SCAContentController}. Check
 * that the component is stopped and then call the overriden method.
 *
 * @author Lionel Seinturier 
 * @since 1.4.5
 */
trait LifeCycleSCAContentTrait extends BasicControllerTrait
with UseLifeCycleControllerTrait with SCAExtendedContentControllerTrait {

	// -----------------------------------------------------------------------
	// SCAIntentController
	// -----------------------------------------------------------------------

	override def setFcContentClass( c: Class[_] ) = {
		checkFcStopped
		super.setFcContentClass(c)
	}

	override def setFcContent( content: Object ) = {
		checkFcStopped
		super.setFcContent(content)
	}

	// -----------------------------------------------------------------------
	// Implementation specific
	// -----------------------------------------------------------------------

	private def checkFcStopped = {
		val state = weaveableLC.getFcState
		if( ! LifeCycleController.STOPPED.equals(state) ) {
			val msg = "Component should be stopped"
			throw new IllegalLifeCycleException(msg)
		}
	}
}