- All Implemented Interfaces:
public class Bound extends BaseBuiltin
Predicate used to check if a variable has been bound.
getNamepublic String getName()Return a name for this builtin, normally this will be the name of the functor that will be used to invoke it.
bodyCallThis method is invoked when the builtin is called in a rule body.
- Specified by:
args- the array of argument values for the builtin, this is an array of Nodes, some of which may be Node_RuleVariables.
length- the length of the argument list, may be less than the length of the args array for some rule engines
context- an execution context giving access to other relevant data
- return true if the buildin predicate is deemed to have succeeded in the current environment