ubc.cs.JLog.Terms
Class jUnify

java.lang.Object
  ubc.cs.JLog.Foundation.jType
      ubc.cs.JLog.Terms.jTerm
          ubc.cs.JLog.Terms.iPredicate
              ubc.cs.JLog.Terms.jBuiltinPredicate
                  ubc.cs.JLog.Terms.jBinaryBuiltinPredicate
                      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)
String	getName() Returns the name of this instance.
boolean	prove(jBinaryBuiltinPredicateGoal ig)
void	setLHS(jTerm l)
void	setRHS(jTerm r)
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 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 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.