Application: gvSIG desktop » gvSIG raster

/* gvSIG. Geographic Information System of the Valencian Government

 *

 * Copyright (C) 2007-2008 Infrastructures and Transports Department

 * of the Valencian Government (CIT)

 *

 * This program is free software; you can redistribute it and/or

 * modify it under the terms of the GNU General Public License

 * as published by the Free Software Foundation; either version 2

 * 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 General Public License for more details.

 *

 * You should have received a copy of the GNU General Public License

 * along with this program; if not, write to the Free Software

 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,

 * MA  02110-1301, USA.

 *

 */

package org.gvsig.raster.impl.process;

import java.util.EventObject;

import org.gvsig.fmap.dal.coverage.exception.ProcessInterruptedException;

import org.gvsig.fmap.dal.coverage.process.TaskEventManager;

/**

 * This class manages a raster task. 

 * @author Nacho Brodin (nachobrodin@gmail.com)

 */

public class DefaultTaskEventManager implements TaskEventManager {

        private RasterTask task = null;

        /**

         * This constructor creates this object but it doesn't register

         * the task

         * @param process

         */

        public DefaultTaskEventManager() {

        }

        /**

         * This constructor creates the task and register this

         * in the repository

         * @param process

         */

        public DefaultTaskEventManager(Object process) {

                task = new RasterTask(process);

                RasterTaskQueue.register(task);

        }

        /*

         * O(non-Javadoc)

         * @see org.gvsig.fmap.dal.coverage.process.TaskEventManager#removeTask()

         */

        public void removeTask() {

                RasterTaskQueue.remove(task);

        }

        /*

         * (non-Javadoc)

         * @see org.gvsig.fmap.dal.coverage.process.TaskEventManager#setEvent(java.util.EventObject)

         */

        public void setEvent(EventObject ev) {

                task.setEvent(ev);

        }

        /**

         * Assigns a task without register.

         * @param task

         */

        public void setTask(RasterTask task) {

                this.task = task;

        }

        public RasterTask getTask() {

                return task;

        }

        /*

         * (non-Javadoc)

         * @see org.gvsig.fmap.dal.coverage.process.TaskEventManager#getEvent()

         */

        public EventObject getEvent() {

                return task.getEvent();

        }

        /**

         * Gesti?n de las se?ales. Este m?todo define las acciones por defecto para

         * cada se?al. No es necesario utilizar estas. Se puede en cada caso, hacer un m?todo

         * manageEvent en el que se gestione las acciones concretas de una se?al.

         * 

         * @param ev Evento a gestionar

         */

        public  void manageEvent(EventObject ev) throws ProcessInterruptedException {

                task.manageEvent(ev);

        }

        /**

         * Obtiene un proceso a partir de su identificador

         * @param id Identificador del proceso

         * @return Proceso

         */

        public static TaskEventManager get() {

                RasterTask task = RasterTaskQueue.get(Thread.currentThread().getId() + "");

                DefaultTaskEventManager taskEventManager = new DefaultTaskEventManager();

                taskEventManager.setTask(task);

                return taskEventManager;

        }

}