ubc.cs.JLog.Builtins
Class jBefore

java.lang.Object
  extended by ubc.cs.JLog.Foundation.jType
      extended by ubc.cs.JLog.Terms.jTerm
          extended by ubc.cs.JLog.Terms.iPredicate
              extended by ubc.cs.JLog.Terms.jBuiltinPredicate
                  extended by ubc.cs.JLog.Terms.jBinaryBuiltinPredicate
                      extended by ubc.cs.JLog.Builtins.jOperator
                          extended by ubc.cs.JLog.Builtins.jBefore
All Implemented Interfaces:
iType, iUnifiable, iConsultable, iName, iNameArity, iTerm, iValue

public class jBefore
extends jOperator


Field Summary
 
Fields inherited from class ubc.cs.JLog.Terms.jBinaryBuiltinPredicate
lhs, rhs
 
Fields inherited from class ubc.cs.JLog.Foundation.jType
type
 
Fields inherited from interface ubc.cs.JLog.Terms.iTerm
EQUAL, GREATER_THAN, LESS_THAN
 
Fields inherited from interface ubc.cs.JLog.Foundation.iType
TYPE_ARITHMETIC, TYPE_ATOM, TYPE_BUILTINPREDICATE, TYPE_COMMAND, TYPE_COMPARE, TYPE_COMPOUND, TYPE_CONS, TYPE_IF, TYPE_INTEGER, TYPE_LIST, TYPE_NULLLIST, TYPE_NUMERICCOMPARE, TYPE_OBJECT, TYPE_OPERATOR, TYPE_OR, TYPE_ORPREDICATE, TYPE_PREDICATE, TYPE_PREDICATETERMS, TYPE_REAL, TYPE_TYPE, TYPE_UNARYARITHMETIC, TYPE_UNARYOPERATOR, TYPE_UNDEFINED, TYPE_VARIABLE
 
Constructor Summary
jBefore(jTerm l, jTerm r)
           
 
Method Summary
protected  boolean compareOrder(jTerm l, jTerm r)
           
protected  jBinaryBuiltinPredicate duplicate(jTerm l, jTerm r)
           
 java.lang.String getName()
          Returns the name of this instance.
 boolean prove(jOperatorGoal og)
           
 
Methods inherited from class ubc.cs.JLog.Builtins.jOperator
addGoals, addGoals, toString
 
Methods inherited from class ubc.cs.JLog.Terms.jBinaryBuiltinPredicate
compareArguments, consult, consultReset, copy, duplicate, enumerateVariables, equivalenceArguments, getArguments, getArity, getLHS, getRHS, isConsultNeeded, prove, registerUnboundVariables, registerVariables, unifyArguments
 
Methods inherited from class ubc.cs.JLog.Terms.jBuiltinPredicate
equivalence, unify
 
Methods inherited from class ubc.cs.JLog.Terms.iPredicate
compare
 
Methods inherited from class ubc.cs.JLog.Terms.jTerm
compare, copy, getTerm, getValue, requiresCompleteVariableState, toString
 
Methods inherited from class ubc.cs.JLog.Foundation.jType
getType, objectToString
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
 

Constructor Detail

jBefore

public jBefore(jTerm l,
               jTerm r)
Method Detail

getName

public java.lang.String getName()
Description copied from interface: iName
Returns the name of this instance.

Specified by:
getName in interface iName
Specified by:
getName in interface iTerm
Overrides:
getName in class jTerm
Returns:
String containing name of this instance.

duplicate

protected jBinaryBuiltinPredicate duplicate(jTerm l,
                                            jTerm r)
Specified by:
duplicate in class jBinaryBuiltinPredicate

compareOrder

protected boolean compareOrder(jTerm l,
                               jTerm r)

prove

public boolean prove(jOperatorGoal og)
Specified by:
prove in class jOperator