/*
 * (c) Copyright 2010-2011 AgileBirds
 *
 * This file is part of OpenFlexo.
 *
 * OpenFlexo 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.
 *
 * OpenFlexo 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 OpenFlexo. If not, see <http://www.gnu.org/licenses/>.
 *
 */
package org.openflexo.foundation.rm;

import java.io.FileNotFoundException;
import java.util.Date;

import org.openflexo.foundation.FlexoException;
import org.openflexo.foundation.utils.ProjectLoadingCancelledException;

/**
 * This class represents a Flexo resource. A FlexoResource represent an object handled by Flexo Application Suite (all concerned modules),
 * which is simply stored in memory.
 * 
 * @author sguerin
 */
public class FlexoMemoryResource extends FlexoResource {

	/**
	 * Constructor used for XML Serialization: never try to instanciate resource from this constructor
	 * 
	 * @param builder
	 */
	public FlexoMemoryResource(FlexoProjectBuilder builder) {
		this(builder.project);
		builder.notifyResourceLoading(this);
	}

	public FlexoMemoryResource(FlexoProject aProject) {
		super(aProject);
	}

	public boolean needsSaving() {
		return false;
	}

	/**
	 * Override this
	 */
	@Override
	public boolean isToBeSerialized() {
		return false;
	}

	/**
	 * This date is VERY IMPORTANT and CRITICAL since this is the date used by ResourceManager to compute dependancies between resources.
	 * This method returns the date that must be considered as last known update for this resource
	 * 
	 * Please override this method
	 * 
	 * @return a Date object
	 */
	@Override
	public synchronized Date getLastUpdate() {
		return new Date();
	}

	/**
	 * Override this
	 */
	@Override
	public String getName() {
		return null;
	}

	/**
	 * Override this
	 */
	@Override
	public void setName(String aName) {
	}

	/**
	 * Override this
	 */
	@Override
	public ResourceType getResourceType() {
		return null;
	}

	private String _resourceClassName;

	public String _getResourceClassName() {
		if (_resourceClassName != null) {
			return _resourceClassName;
		} else {
			return this.getClass().getName();
		}
	}

	public void _setResourceClassName(String aClassName) {
		_resourceClassName = aClassName;
	}

	/**
	 * Overrides performUpdating
	 * 
	 * @see org.openflexo.foundation.rm.FlexoResource#performUpdating(org.openflexo.foundation.rm.FlexoResourceTree)
	 */
	@Override
	protected void performUpdating(FlexoResourceTree updatedResources) throws ResourceDependencyLoopException, LoadResourceException,
			FileNotFoundException, ProjectLoadingCancelledException, FlexoException {

	}

	@Override
	public void rebuildDependancies() {
		// We cannot put in any resource list, otherwise it will be serialized!
	}

}