ConditionalSceneActionRunner.java

/**
 *  C-Nery - A home automation web application for C-Bus.
 *  Copyright (C) 2008,2009,2012  Dave Oxley <dave@daveoxley.co.uk>.
 *
 *  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 com.daveoxley.cnery.scenes;

import com.daveoxley.cbus.CGateException;
import com.daveoxley.cnery.actions.SceneActionHome;
import com.daveoxley.cnery.actions.SceneHome;
import com.daveoxley.cnery.entities.Scene;
import com.daveoxley.cnery.entities.SceneAction;
import com.workplacesystems.queuj.Process;
import com.workplacesystems.queuj.process.java.JavaProcessRunner;
import org.jboss.seam.annotations.In;
import org.jboss.seam.annotations.Name;

/**
 *
 * @author Dave Oxley <dave@daveoxley.co.uk>
 */
@Name("conditionalSceneActionRunner")
public class ConditionalSceneActionRunner {
    
    @In
    private JavaProcessRunner PROCESS_RUNNER;

    @In
    private SceneAction sceneAction;

    @In(create=true)
    private SceneHome sceneHome;

    @In(create=true)
    private SceneActionHome sceneActionHome;

    public void run() throws CGateException {
        sceneActionHome.clearInstance();
        sceneActionHome.setId(sceneAction.getId());
        sceneAction = sceneActionHome.getInstance();

        Scene parentScene = sceneAction.getScene();
        Process<Integer> process = sceneAction.getProcess();

        sceneHome.clearInstance();
        sceneHome.setId(parentScene.getId());
        parentScene = sceneHome.getInstance();

        if (!parentScene.isActive() &&
                !parentScene.getActivateProcess().isRunning() &&
                !parentScene.getActivateProcess().isWaitingToRun())
            return;

        if (sceneAction.isFirstRun() &&
                !process.isRunning())
            return;

        if (process.isRunning()) {
            process.attach();

            if (process.isFailed())
                throw new CGateException("Process failed.");
        }

        process.startNow();
    }
}