Package jason.stdlib

Class drop_intention

java.lang.Object

jason.asSemantics.DefaultInternalAction

jason.stdlib.drop_intention

All Implemented Interfaces:

InternalAction, Serializable

Direct Known Subclasses:

drop_desire

@Manual(literal=".drop_intention(goal)",
        hint="removes intentions to achieve the referred goal",
        argsHint="the goal the intentions achieve",
        argsType="literal",
        examples=".drop_intention(go(1,3)): removes intentions having a plan with triggering event +!go(1,3) in the agent\'s current circumstance.",
        seeAlso={"jason.stdlib.intend","jason.stdlib.desire","jason.stdlib.drop_all_desires","jason.stdlib.drop_all_events","jason.stdlib.drop_intention","jason.stdlib.drop_desire","jason.stdlib.succeed_goal","jason.stdlib.fail_goal","jason.stdlib.intention","jason.stdlib.resume","jason.stdlib.suspend","jason.stdlib.suspended"})
public class drop_intention
extends DefaultInternalAction

Internal action: .drop_intention(I).

Description: removes intentions to achieve goal I from the set of intentions of the agent (suspended intentions are also considered). No event is produced.

Parameters:

• - goal (literal): the goal the intentions achieve.

Example:

• .drop_intention(go(1,3)): removes intentions having a plan with triggering event +!go(1,3) in the agent's current circumstance.
• .drop_intention: removes the current intention.

See Also:

• intend
• desire
• drop_all_desires
• drop_all_events
• drop_all_intentions
• drop_desire
• succeed_goal
• fail_goal
• intention
• suspend
• suspended
• resume
• Serialized Form

Constructor Summary

Constructors

Constructor	Description
drop_intention()

Method Summary

Modifier and Type	Method	Description
protected void	checkArguments(Term[] args)
boolean	dropInt(Circumstance C, Literal goal, Unifier un)	Drops an intention based on a goal argument returns true if the current intention is dropped
Object	execute(TransitionSystem ts, Unifier un, Term[] args)	Executes the internal action.
int	getMaxArgs()
int	getMinArgs()
boolean	suspendIntention()	Returns true if the internal action (IA) should suspend the intention where the IA is called

Methods inherited from class jason.asSemantics.DefaultInternalAction

canBeUsedInContext, destroy, prepareArguments

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

drop_intention

public drop_intention()

Method Details

getMinArgs

public int getMinArgs()

Overrides:

getMinArgs in class DefaultInternalAction

getMaxArgs

public int getMaxArgs()

Overrides:

getMaxArgs in class DefaultInternalAction

checkArguments

protected void checkArguments(Term[] args)
                       throws JasonException

Overrides:

checkArguments in class DefaultInternalAction

Throws:

JasonException

suspendIntention

public boolean suspendIntention()

Description copied from interface: InternalAction

Returns true if the internal action (IA) should suspend the intention where the IA is called

Specified by:

suspendIntention in interface InternalAction

Overrides:

suspendIntention in class DefaultInternalAction

execute

public Object execute(TransitionSystem ts,
 Unifier un,
 Term[] args)
               throws Exception

Description copied from interface: InternalAction

Executes the internal action. It should return a Boolean or an Iterator. A true boolean return means that the IA was successfully executed. An Iterator result means that there is more than one answer for this IA (e.g. see member internal action).

Specified by:

execute in interface InternalAction

Overrides:

execute in class DefaultInternalAction

Throws:

Exception

dropInt

public boolean dropInt(Circumstance C,
 Literal goal,
 Unifier un)

Drops an intention based on a goal argument returns true if the current intention is dropped