DispatchGoalStep.java

package jadex.bdi.planlib.iasteps;

import jadex.bdi.model.IMParameter;
import jadex.bdi.runtime.IBDIInternalAccess;
import jadex.bdi.runtime.IGoal;
import jadex.bdi.runtime.IParameter;
import jadex.bridge.IComponentStep;
import jadex.bridge.IInternalAccess;

import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;

public class DispatchGoalStep implements IComponentStep
{
	protected String goaltype;
	protected Map parameters;
	
	/**
	 *  Dispatches a goal.
	 *  @param goal The goal.
	 */
	public DispatchGoalStep(String goal)
	{
		this(goal, null);
	}
	
	/**
	 *  Dispatches a goal.
	 *  @param goal The goal.
	 *  @param parameterName Name of a goal parameter.
	 *  @param parameterValue Value of the goal parameter.
	 */
	public DispatchGoalStep(String goal, final String parameterName, final Object parameterValue)
	{
		this(goal, new HashMap() {{
			put(parameterName, parameterValue);
		}});
	}
	
	/**
	 *  Dispatches a goal.
	 *  @param goal The goal.
	 *  @param parameters The goal parameters.
	 */
	public DispatchGoalStep(String goal, Map parameters)
	{
		this.goaltype = goal;
		this.parameters = parameters;
	}
	
	public Object execute(IInternalAccess ia)
	{
		IGoal goal = ((IBDIInternalAccess) ia).getGoalbase().createGoal(goaltype);
		if (parameters != null)
		{
			for (Iterator it = parameters.entrySet().iterator(); it.hasNext(); )
			{
				Map.Entry paramEntry = (Map.Entry) it.next();
				goal.getParameter((String) paramEntry.getKey()).setValue(paramEntry.getValue());
			}
		}
		
		
		((IBDIInternalAccess) ia).getGoalbase().dispatchTopLevelGoal(goal);
		//TODO: Fixme, futurize?
		
		Map results = new HashMap();
		
		IParameter[] params = goal.getParameters();
		for (int i = 0; i < params.length; ++i)
		{
			String dir = ((IMParameter) params[i].getModelElement()).getDirection();
			System.out.println(params[i].getName() + " " + params[i].getValue() + " " + dir);
			//if (OAVBDIMetaModel.PARAMETER_DIRECTION_INOUT.equals(dir) ||
				//OAVBDIMetaModel.PARAMETER_DIRECTION_OUT.equals(dir))
				results.put(params[i].getName(), params[i].getValue());
		}
		
		return results;
	}
}