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The Jadex kernel extension envsupport allows for using 2D spaces in concert with components.

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package jadex.extension.envsupport;

import java.util.List;
import java.util.Map;

import jadex.application.IExtensionInfo;
import jadex.application.IExtensionInstance;
import jadex.bridge.IComponentStep;
import jadex.bridge.IExternalAccess;
import jadex.bridge.IInternalAccess;
import jadex.commons.IValueFetcher;
import jadex.commons.SReflect;
import jadex.commons.collection.MultiCollection;
import jadex.commons.future.Future;
import jadex.commons.future.IFuture;
import jadex.extension.envsupport.environment.AbstractEnvironmentSpace;

/**
 * 	Configuration of an Env space.
 */
public class MEnvSpaceInstance	implements IExtensionInfo
{
	//-------- attributes --------
	
	/** The space name. */
	protected String name;
	
	/** The space type name. */
	protected String type;
	
	/** The space type (resolved during loading). */
	protected MEnvSpaceType spacetype;
	
	/** The properties. */
	protected MultiCollection properties;
	
	//-------- IExtensionInfo interface --------

	/**
	 *  Instantiate the extension for a specific component instance.
	 *  @param access	The external access of the component.
	 *  @param fetcher	The value fetcher of the component to be used for evaluating dynamic expressions. 
	 *  @return The extension instance object.
	 */
	public IFuture createInstance(final IExternalAccess access, final IValueFetcher fetcher)
	{
		return access.scheduleStep(new IComponentStep()
		{
			public IFuture execute(IInternalAccess ia)
			{
				IFuture	ret;
				try
				{
					Class	clazz	= SReflect.findClass(spacetype.getClassName(), access.getModel().getAllImports(), ia.getClassLoader());
					AbstractEnvironmentSpace	space	= clazz.newInstance();
					space.setInitData(ia, MEnvSpaceInstance.this, fetcher);
					ret	= new Future(space);					
				}
				catch(Exception e)
				{
					ret	= new Future(e);
				}
				return ret;
			}
		});
	}
	
	//-------- methods --------
	
	/**
	 *  Add a property.
	 *  @param key The key.
	 *  @param value The value.
	 */
	public void addProperty(String key, Object value)
	{
//		System.out.println("addP: "+key+" "+value);
		if(properties==null)
			properties = new MultiCollection();
		properties.add(key, value);
	}
	
	/**
	 *  Get a property.
	 *  @param key The key.
	 *  @return The value.
	 */
	public List