ubc.cs.JLog.Terms
Class jUnify

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.Terms.jUnify
All Implemented Interfaces:
iType, iUnifiable, iConsultable, iName, iNameArity, iTerm, iValue
Direct Known Subclasses:
jNotUnify

public class jUnify
extends jBinaryBuiltinPredicate


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
jUnify()
           
jUnify(jTerm l, jTerm r)
           
 
Method Summary
 jBinaryBuiltinPredicate duplicate(jTerm l, jTerm r)
           
 java.lang.String getName()
          Returns the name of this instance.
 boolean prove(jBinaryBuiltinPredicateGoal ig)
           
 void setLHS(jTerm l)
           
 void setRHS(jTerm r)
           
 java.lang.String toString(boolean usename)
          Produces a string identifying this term, suitable for display to the console.
 
Methods inherited from class ubc.cs.JLog.Terms.jBinaryBuiltinPredicate
addGoals, addGoals, compareArguments, consult, consultReset, copy, duplicate, enumerateVariables, equivalenceArguments, getArguments, getArity, getLHS, getRHS, isConsultNeeded, 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

jUnify

public jUnify()

jUnify

public jUnify(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.

setLHS

public void setLHS(jTerm l)

setRHS

public void setRHS(jTerm r)

prove

public boolean prove(jBinaryBuiltinPredicateGoal ig)
Overrides:
prove in class jBinaryBuiltinPredicate

duplicate

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

toString

public java.lang.String toString(boolean usename)
Description copied from class: jTerm
Produces a string identifying this term, suitable for display to the console. param usename determines whether to display variables by name or identity. false is the default for displaying the term, true for displaying this term in a user query.

Specified by:
toString in interface iTerm
Overrides:
toString in class jBinaryBuiltinPredicate
Returns:
String which is a textual representation of this term.