/*
 *  RapidMiner
 *
 *  Copyright (C) 2001-2011 by Rapid-I and the contributors
 *
 *  Complete list of developers available at our web site:
 *
 *       http://rapid-i.com
 *
 *  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.rapidminer.gui;

import java.lang.reflect.InvocationTargetException;
import java.util.logging.Level;

import javax.swing.SwingUtilities;

import com.rapidminer.Process;
import com.rapidminer.gui.tools.ProgressThread;
import com.rapidminer.gui.tools.UpdateQueue;
import com.rapidminer.tools.LogService;

/** This queue updates the meta data on any update received from
 *  a process.
 * 
 * @author Simon Fischer
 *
 */
public class MetaDataUpdateQueue extends UpdateQueue {

	private final MainFrame mainFrame;

	public MetaDataUpdateQueue(MainFrame mainFrame) {
		super("MetaDataValidation");
		this.mainFrame = mainFrame;		
		this.setPriority(MIN_PRIORITY);
	}

	/** Enqueues a tasks to validate the given process. 
	 *  @param force if false, process will be validated only if validate automatically is selected. */
	public void validate(final Process process, final boolean force) {
		execute(new Runnable() {
			public void run() {				
				new ProgressThread("validate_process") {
					public void run() {
						getProgressListener().setTotal(100);
						getProgressListener().setCompleted(10);
						if (force || mainFrame.VALIDATE_AUTOMATICALLY_ACTION.isSelected()) {
							process.getRootOperator().checkAll();	
						} else {
							process.getRootOperator().checkAllExcludingMetaData();
						}						
						getProgressListener().setCompleted(90);
						try {
							SwingUtilities.invokeAndWait(new Runnable() {
								@Override
								public void run() {
									mainFrame.fireProcessUpdated();
								}					
							});
						} catch (InterruptedException e) {
						} catch (InvocationTargetException e) {
							LogService.getRoot().log(Level.WARNING, "While updating process editors: "+e, e);
						}
						getProgressListener().setCompleted(100);
						getProgressListener().complete();
					}
				}.startAndWait();						
			}
		});
	}

}