jason.stdlib
Class range
java.lang.Object
jason.asSemantics.DefaultInternalAction
jason.stdlib.range
- All Implemented Interfaces:
- InternalAction, java.io.Serializable
public class range
- extends DefaultInternalAction
Internal action: .range(Var,Start,End)
.
Description: backtrack all values for Var starting at Start
and finishing at End.
Parameters:
- +/- var (Variable): the variable that unifies with all values.
- + start (number): initial value.
- + end (number): last value.
Examples:
-
.range(3,1,5)
: true.
-
.range(6,1,5)
: false.
-
.range(X,1,5)
: unifies X with 1, 2, 3, 4, and 5.
- See Also:
for
,
Serialized Form
Constructor Summary |
range()
|
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
range
public range()
create
public static InternalAction create()
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
execute
public java.lang.Object execute(TransitionSystem ts,
Unifier un,
Term[] args)
throws java.lang.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:
java.lang.Exception