Package jason.stdlib

Class relevant_rules

java.lang.Object

jason.asSemantics.DefaultInternalAction

jason.stdlib.relevant_rules

All Implemented Interfaces:

InternalAction, Serializable

@Manual(literal=".relevant_rules(argument,rules)",
        hint="gets all rules that can be used to prove some literal",
        argsHint={"the argument to proof","the rules that prove it"},
        argsType={"literal","list of plan rules"},
        examples=".relevant_rules(p(_),LP): unifies LP with a list of all rules with head p/1.",
        seeAlso="")
public class relevant_rules
extends DefaultInternalAction

Internal action: .relevant_rules.

Description: gets all rules that can be used to prove some literal.

Parameters:

• + argument (literal): the argument to proof.
• - rules (list of rule terms): the list of rules that prove the argument

Example:

• .relevant_rules(p(_),LP): unifies LP with a list of all rules with head p/1.

See Also:

• Serialized Form

Constructor Summary

Constructors

Constructor	Description
relevant_rules()

Method Summary

Modifier and Type	Method	Description
Object	execute(TransitionSystem ts, Unifier un, Term[] args)	Executes the internal action.
int	getMaxArgs()
int	getMinArgs()

Methods inherited from class jason.asSemantics.DefaultInternalAction

canBeUsedInContext, checkArguments, destroy, prepareArguments, suspendIntention

Methods inherited from class java.lang.Object

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

Constructor Details

relevant_rules

public relevant_rules()

Method Details

getMinArgs

public int getMinArgs()

Overrides:

getMinArgs in class DefaultInternalAction

getMaxArgs

public int getMaxArgs()

Overrides:

getMaxArgs 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