BeliefEvent.java

/*
 * Created on 14/12/2009 09:50:40
 */
package br.pucrio.inf.les.bdijade.event;

import jade.content.AgentAction;
import br.pucrio.inf.les.bdijade.belief.Belief;

/**
 * This class represents an event performed over a belief.
 * 
 * @author ingridnunes
 */
public class BeliefEvent implements AgentAction {

	/**
	 * This enumeration represents the set of possible actions that can be
	 * performed over a belief.
	 * 
	 * @author ingrid
	 */
	public enum Action {
		BELIEF_ADDED, BELIEF_REMOVED, BELIEF_UPDATED
	}

	private static final long serialVersionUID = 1749139390567331926L;

	private Action action;
	private Object args;
	private Belief<?> belief;

	/**
	 * Default constructor.
	 */
	public BeliefEvent() {
		this(null);
	}

	/**
	 * Creates a Belief Changed.
	 * 
	 * @param belief
	 *            the belief that has changed.
	 */
	public BeliefEvent(Belief<?> belief) {
		this(belief, Action.BELIEF_UPDATED);
	}

	/**
	 * Creates a Belief Changed.
	 * 
	 * @param belief
	 *            the belief that has changed.
	 * @param action
	 *            the action performed.
	 */
	public BeliefEvent(Belief<?> belief, Action action) {
		this(belief, action, null);
	}

	/**
	 * Creates a Belief Changed.
	 * 
	 * @param belief
	 *            the belief that has changed.
	 * @param action
	 *            the action performed.
	 * @param args
	 *            an argument passed for this action.
	 */
	public BeliefEvent(Belief<?> belief, Action action, Object args) {
		this.belief = belief;
		this.action = action;
		this.args = args;
	}

	/**
	 * @return the action
	 */
	public Action getAction() {
		return action;
	}

	/**
	 * @return the args
	 */
	public Object getArgs() {
		return args;
	}

	/**
	 * @return the belief
	 */
	public Belief<?> getBelief() {
		return belief;
	}

	/**
	 * @param action
	 *            the action to set
	 */
	public void setAction(Action action) {
		this.action = action;
	}

	/**
	 * @param args
	 *            the args to set
	 */
	public void setArgs(Object args) {
		this.args = args;
	}

	/**
	 * @param belief
	 *            the belief to set
	 */
	public void setBelief(Belief<?> belief) {
		this.belief = belief;
	}

}