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The Jadex applib BDI package contain ready to use functionalities for BDI agents mostly in form of modules called capabilities.

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package jadex.bdi.planlib;

import jadex.bdi.runtime.IBDIExternalAccess;
import jadex.bdi.runtime.IBDIInternalAccess;
import jadex.bridge.IComponentDescription;
import jadex.bridge.IComponentManagementService;
import jadex.bridge.IComponentStep;
import jadex.bridge.IInternalAccess;
import jadex.bridge.service.RequiredServiceInfo;
import jadex.bridge.service.SServiceProvider;
import jadex.commons.IValueFetcher;
import jadex.commons.SUtil;
import jadex.commons.SimplePropertyObject;
import jadex.commons.future.IFuture;
import jadex.commons.future.IResultListener;
import jadex.extension.envsupport.environment.IEnvironmentSpace;
import jadex.extension.envsupport.environment.IPerceptProcessor;
import jadex.extension.envsupport.environment.ISpaceObject;
import jadex.extension.envsupport.environment.space2d.Space2D;
import jadex.extension.envsupport.math.IVector1;
import jadex.extension.envsupport.math.IVector2;
import jadex.extension.envsupport.math.Vector1Double;
import jadex.javaparser.IParsedExpression;
import jadex.javaparser.SimpleValueFetcher;
import jadex.xml.annotation.XMLClassname;

import java.util.HashMap;
import java.util.Map;
import java.util.Set;

/**
 *  Default bdi agent vision processor.
 *  Updates the agent's beliefsets according to the percepts of new/disappeared waste.
 */
public class DefaultBDIVisionProcessor extends SimplePropertyObject implements IPerceptProcessor
{
	//-------- constants --------

	/** The percept types property. */
	public static String PROPERTY_PERCEPTTYPES = "percepttypes";
	
	
	/** The add action. */
	public static String ADD = "add";
	
	/** The remove action. */
	public static String REMOVE = "remove";
	
	/** The remove_outdated action (checks all entries in the belief set, if they should be seen, but are no longer there). */
	public static String REMOVE_OUTDATED = "remove_outdated";
	
	/** The set action. */
	public static String SET = "set";
	
	/** The unset action (sets a belief fact to null). */
	public static String UNSET = "unset";
	
	/** The maxrange property. */
	public static String PROPERTY_MAXRANGE = "range";

	/** The maxrange property. */
	public static String PROPERTY_RANGE = "range_property";

	//-------- attributes --------
	
	/** The percepttypes infos. */
	protected Map percepttypes;
	
	//-------- methods --------
	
	/**
	 *  Process a new percept.
	 *  @param space The space.
	 *  @param type The type.
	 *  @param percept The percept.
	 *  @param agent The agent identifier.
	 *  @param agent The avatar of the agent (if any).
	 */
	public void processPercept(final IEnvironmentSpace space, final String type, final Object percept, final IComponentDescription agent, final ISpaceObject avatar)
	{
		boolean	invoke	= false;
		final String[][] metainfos = getMetaInfos(type);
		for(int i=0; !invoke && metainfos!=null && i