opennlp.grok.expression
Class NullArg

java.lang.Object
  |
  +--opennlp.grok.expression.NullArg

All Implemented Interfaces:

Arg, opennlp.common.unify.Mutable, opennlp.common.unify.Unifiable, opennlp.common.unify.Variable

public final class NullArg

extends java.lang.Object

implements Arg, opennlp.common.unify.Variable

An null argument.

Version:

$Revision: 1.3 $, $Date: 2002/11/21 18:03:12 $

Author:

Jason Baldridge

Constructor Summary

NullArg()

Method Summary

Arg	copy()
void	deepMap(opennlp.common.unify.ModFcn mf)
boolean	equals(java.lang.Object o)
java.lang.Object	fill(opennlp.common.unify.Substitution sub)
void	forall(opennlp.common.synsem.CategoryFcn fcn)
java.lang.String	hashString(java.util.Map varMap) Returns a hash string using the given map from vars to int strings.
java.lang.String	name()
boolean	occurs(opennlp.common.unify.Variable v)
java.lang.String	toString()
java.lang.Object	unify(java.lang.Object u, opennlp.common.unify.Substitution sub)
void	unifyCheck(java.lang.Object u)
void	unifySlash(Slash s)

Methods inherited from class java.lang.Object

clone, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

NullArg

public NullArg()

Method Detail

name

public java.lang.String name()

Specified by:

name in interface opennlp.common.unify.Variable

copy

public Arg copy()

Specified by:

copy in interface Arg

forall

public void forall(opennlp.common.synsem.CategoryFcn fcn)

Specified by:

forall in interface Arg

equals

public boolean equals(java.lang.Object o)

Specified by:

equals in interface opennlp.common.unify.Unifiable

Overrides:

equals in class java.lang.Object

occurs

public boolean occurs(opennlp.common.unify.Variable v)

Specified by:

occurs in interface opennlp.common.unify.Unifiable

fill

public java.lang.Object fill(opennlp.common.unify.Substitution sub)
                      throws opennlp.common.unify.UnifyFailure

Specified by:

fill in interface opennlp.common.unify.Unifiable

opennlp.common.unify.UnifyFailure

unifySlash

public void unifySlash(Slash s)
                throws opennlp.common.unify.UnifyFailure

Specified by:

unifySlash in interface Arg

opennlp.common.unify.UnifyFailure

unifyCheck

public void unifyCheck(java.lang.Object u)
                throws opennlp.common.unify.UnifyFailure

Specified by:

unifyCheck in interface opennlp.common.unify.Unifiable

opennlp.common.unify.UnifyFailure

unify

public java.lang.Object unify(java.lang.Object u,
                              opennlp.common.unify.Substitution sub)
                       throws opennlp.common.unify.UnifyFailure

Specified by:

unify in interface opennlp.common.unify.Unifiable

opennlp.common.unify.UnifyFailure

deepMap

public void deepMap(opennlp.common.unify.ModFcn mf)

Specified by:

deepMap in interface opennlp.common.unify.Mutable

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

hashString

public java.lang.String hashString(java.util.Map varMap)

Returns a hash string using the given map from vars to int strings.

Specified by:

hashString in interface Arg