Package jason.stdlib

Class fork

java.lang.Object

jason.asSemantics.DefaultInternalAction

jason.stdlib.fork

All Implemented Interfaces:

InternalAction, Serializable

public class fork
extends DefaultInternalAction

Implementation of .fork (used for |invalid input: '&'| and ||| operators).

Syntax:

  plan_body1 "|invalid input: '&'|" | "|||" plan_body2 ....

|invalid input: '&'| is concurrent and: both plan_body1 and plan_body2 have to finishes successfully ||| is concurrent or : either plan_body1 or plan_body2 have to finishes successfully

See Also:

• Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
static final Atom	aAnd
static final Atom	aOr

Constructor Summary

Constructors

Constructor	Description
fork()

Method Summary

Modifier and Type	Method	Description
boolean	canBeUsedInContext()	Return true if the internal action can be used in plans' context
protected void	checkArguments(Term[] args)
static InternalAction	create()
Object	execute(TransitionSystem ts, Unifier un, Term[] args)	Executes the internal action.
int	getMinArgs()
Term[]	prepareArguments(Literal body, Unifier un)	Prepare body's terms to be used in 'execute', normally it consist of cloning and applying each term
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

destroy, getMaxArgs

Methods inherited from class java.lang.Object

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

Field Details

aAnd

public static final Atom aAnd

aOr

public static final Atom aOr

Constructor Details

fork

public fork()

Method Details

create

public static InternalAction create()

prepareArguments

public Term[] prepareArguments(Literal body,
 Unifier un)

Description copied from interface: InternalAction

Prepare body's terms to be used in 'execute', normally it consist of cloning and applying each term

Specified by:

prepareArguments in interface InternalAction

Overrides:

prepareArguments in class DefaultInternalAction

getMinArgs

public int getMinArgs()

Overrides:

getMinArgs 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

canBeUsedInContext

public boolean canBeUsedInContext()

Description copied from interface: InternalAction

Return true if the internal action can be used in plans' context

Specified by:

canBeUsedInContext in interface InternalAction

Overrides:

canBeUsedInContext 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