Package jason.stdlib
Class belief
java.lang.Object
jason.asSemantics.DefaultInternalAction
jason.stdlib.belief
- All Implemented Interfaces:
InternalAction
,java.io.Serializable
public class belief extends DefaultInternalAction
Internal action: .belief(Bel)
.
Description: gets beliefs in BB (excluding rules or inferred beliefs). Different from ordinary belief query that uses logical consequence to be verified, this internal action considers only the set of beliefs in the BB.
Parameters:
- +/- belief (literal): the belief to be searched.
- See Also:
asserta
,assertz
,relevant_rules
, Serialized Form
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Constructor Summary
Constructors Constructor Description belief()
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Method Summary
Modifier and Type Method Description java.lang.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
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Constructor Details
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belief
public belief()
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Method Details
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getMinArgs
public int getMinArgs()- Overrides:
getMinArgs
in classDefaultInternalAction
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getMaxArgs
public int getMaxArgs()- Overrides:
getMaxArgs
in classDefaultInternalAction
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execute
public java.lang.Object execute(TransitionSystem ts, Unifier un, Term[] args) throws java.lang.ExceptionDescription 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 interfaceInternalAction
- Overrides:
execute
in classDefaultInternalAction
- Throws:
java.lang.Exception
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