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The Jadex BDI applications package contain several example applications, benchmarks and testcases using BDI agents.

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package jadex.bdi.examples.cleanerworld_classic;

import jadex.commons.SimplePropertyChangeSupport;

import jadex.commons.beans.PropertyChangeListener;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

/**
 *  The environment object for non distributed applications.
 */
public class Environment implements IEnvironment
{
	//-------- class attributes --------

	/** The singleton. */
	protected static Environment instance;

	//-------- attributes --------

	/** The daytime. */
	protected boolean daytime;

	/** The cleaners. */
	protected List cleaners;

	/** The wastes. */
	protected List wastes;

	/** The waste bins. */
	protected List wastebins;

	/** The charging stations. */
	protected List stations;

	/** The cleaner ages. */
	protected Map ages;

	/** The helper object for bean events. */
	public SimplePropertyChangeSupport pcs;

	//-------- constructors --------

	/**
	 *  Create a new environment.
	 */
	public Environment()
	{
		this.daytime = true;
		this.cleaners = new ArrayList();
		this.wastes = new ArrayList();
		this.wastebins = new ArrayList();
		this.stations = new ArrayList();
		this.ages = new HashMap();
		this.pcs = new SimplePropertyChangeSupport(this);

		// Add some things to our world.
		addWaste(new Waste(new Location(0.1, 0.5)));
		addWaste(new Waste(new Location(0.2, 0.5)));
		addWaste(new Waste(new Location(0.3, 0.5)));
		addWaste(new Waste(new Location(0.9, 0.9)));
		addWastebin(new Wastebin(new Location(0.2, 0.2), 20));
		addWastebin(new Wastebin(new Location(0.8, 0.1), 20));
		addChargingStation(new Chargingstation(new Location(0.8, 0.8)));
		addChargingStation(new Chargingstation(new Location(0.2, 0.4)));
	}

	/**
	 *  Get the singleton.
	 *  @return The environment.
	 */
	public static synchronized Environment getInstance()
	{
		if(instance==null)
		{
			instance = new Environment();
		}
		return instance;
	}

	/**
	 *  Clear the singleton instance.
	 */
	public static void clearInstance()
	{
		instance = null;
	}

	//-------- cleaner actions from IEnvironment --------

	/**
	 *  Get the current vision.
	 *  @param cleaner The cleaner.
	 *  @return The current vision, null if failure.
	 */
	public synchronized Vision getVision(Cleaner cleaner)
	{
		// Update cleaner
		if(cleaners.contains(cleaner))
			cleaners.remove(cleaner);
		cleaners.add(cleaner);
		// reset age for cleaner
		ages.put(cleaner, Integer.valueOf(0));

		//System.out.println("getVision: "+this.hashCode()+" "+cleaners.size());

		Location cloc = cleaner.getLocation();
		double range = cleaner.getVisionRange();

		ArrayList nearwastes = new ArrayList();
		for(int i=0; i100)
				{
					removeCleaner(cls[i]);
					ages.remove(cls[i]);
				}
				else
				{
					ages.put(cls[i], Integer.valueOf(age+1));
				}
			}
		}
		return (Cleaner[])cleaners.toArray(new Cleaner[cleaners.size()]);
	}

	/**
	 *  Get a wastebin for a name.
	 *  @return The wastebin.
	 */
	public synchronized Wastebin getWastebin(String name)
	{
		Wastebin ret = null;
		for(int i=0; i