Application: gvSIG desktop

/**

 * gvSIG. Desktop Geographic Information System.

 *

 * Copyright (C) 2007-2013 gvSIG Association.

 *

 * 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 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 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.

 *

 * For any additional information, do not hesitate to contact us

 * at info AT gvsig.com, or visit our website www.gvsig.com.

 */

/*

 * Created on 10-nov-2006 by azabala

 *

 */

package org.gvsig.utils.swing.threads;

/**

 * @author alzabord

 *

 * TODO To change the template for this generated type comment go to

 * Window - Preferences - Java - Code Style - Code Templates

 */

public class PipeTask implements IMonitorableTask {

        private IPipedTask task1;

        private IPipedTask task2;

        private boolean canceled = false;

        private IPipedTask currentTask = null;

        public PipeTask(IPipedTask task1, IPipedTask task2){

                this.task1 = task1;

                this.task2 = task2;

                this.currentTask = task1;

        }

        public int getInitialStep() {

                return 0;

        }

        public int getFinishStep() {

                return currentTask.getFinishStep();

        }

        public int getCurrentStep() {

                return currentTask.getCurrentStep();

        }

        public String getStatusMessage() {

                return currentTask.getStatusMessage();

        }

        public String getNote() {

                if(currentTask != null){

                        return currentTask.getNote();

                }else{

                        return "";

                }

        }

        public boolean isDefined() {

                return currentTask.isDefined();

        }

        public void cancel() {

                currentTask.cancel();

                canceled = true;

        }

        public void run() throws Exception {

                currentTask.run();

                if(currentTask.isCanceled())

                        return;

                Object result = currentTask.getResult();

                currentTask = task2;

                currentTask.setEntry(result);

                currentTask.run();

        }

        public boolean isCanceled() {

                return currentTask.isCanceled();

        }

        public boolean isFinished() {

                return task1.isFinished() && task2.isFinished();

        }

        public void finished() {

        }

}