jason.asSyntax.PlanBody Maven / Gradle / Ivy

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Jason is a fully-fledged interpreter for an extended version of AgentSpeak, a BDI agent-oriented logic programming language.

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package jason.asSyntax;


/**
 * Interface for elements of a plans's body.
 *
 * @opt nodefillcolor lightgoldenrodyellow
 */
public interface PlanBody extends Term {

    public enum BodyType {
        none {            public String toString() {
                return "";
            }
        },
        action {          public String toString() {
                return "";
            }
        },
        internalAction {  public String toString() {
                return "";
            }
        },
        achieve {         public String toString() {
                return "!";
            }
        },
        test {            public String toString() {
                return "?";
            }
        },
        addBel {          public String toString() {
                return "+";
            }
        },
        addBelNewFocus {  public String toString() {
                return "++";
            }
        },
        addBelBegin {     public String toString() {
                return "+<";
            }
        },       // equivalent to simple +
        addBelEnd {       public String toString() {
                return "+>";
            }
        },
        delBel {          public String toString() {
                return "-";
            }
        },
        delAddBel {       public String toString() {
                return "-+";
            }
        },
        achieveNF {       public String toString() {
                return "!!";
            }
        },
        constraint {      public String toString() {
                return "";
            }
        }
    }

    public BodyType    getBodyType();
    public Term        getBodyTerm();
    public PlanBody    getBodyNext();

    public boolean     isEmptyBody();
    public int         getPlanSize();

    public void setBodyType(BodyType bt);
    public void setBodyTerm(Term t);
    public void setBodyNext(PlanBody bl);
    public PlanBody getLastBody();

    public boolean isBodyTerm();
    public void setAsBodyTerm(boolean b);

    public boolean add(PlanBody bl);
    public boolean add(int index, PlanBody bl);
    public Term removeBody(int index);

    /** clone the plan body */
    public PlanBody clonePB();
}