opennlp.grok.expression
Class AbstractCat

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

All Implemented Interfaces:

opennlp.common.synsem.Category, opennlp.common.unify.Mutable, java.io.Serializable, gnu.trove.TLinkable, opennlp.common.unify.Unifiable

Direct Known Subclasses:

AtomCat, ComplexCat

public abstract class AbstractCat

extends java.lang.Object

implements opennlp.common.synsem.Category, gnu.trove.TLinkable

Abstract category adapter for CCG categories.

Version:

$Revision: 1.7 $, $Date: 2002/11/28 15:01:21 $

Author:

Gann Bierner, Jason Baldridge, Michael White

See Also:

Serialized Form

Field Summary

protected opennlp.common.unify.FeatureStructure	_featStruc The feature structure, which should only be used with atomic categories.
protected opennlp.common.synsem.LF	_lf The logical form, which should be used only with the outermost category.
protected gnu.trove.TLinkable	_next
protected gnu.trove.TLinkable	_previous
static boolean	SHOW_SEMANTICS

Constructor Summary

AbstractCat()
Default constructor.

AbstractCat(org.jdom.Element elt)
Constructor which retrieves the LF from the XML element and flattens it to a conjunction of elementary predications (or a single one).

AbstractCat(opennlp.common.synsem.LF lf)
Constructor which sets the LF.

Method Summary

abstract opennlp.common.synsem.Category	copy()
void	deepMap(opennlp.common.unify.ModFcn mf)
abstract boolean	equals(java.lang.Object c)
abstract java.lang.Object	fill(opennlp.common.unify.Substitution s)
void	forall(opennlp.common.synsem.CategoryFcn f)
opennlp.common.unify.FeatureStructure	getFeatureStructure() Gets the feature structure.
opennlp.common.synsem.LF	getLF() Gets the LF.
gnu.trove.TLinkable	getNext() Returns the linked list node after this one.
gnu.trove.TLinkable	getPrevious() Returns the linked list node before this one.
java.lang.String	hashString() Returns a unique string for this category.
abstract java.lang.String	hashString(java.util.Map varMap) Returns a hash string using the given map from vars to int strings.
boolean	occurs(opennlp.common.unify.Variable v)
protected int	prettyLength(java.lang.String s)
java.lang.String	prettyPrint()
protected java.lang.String	prettyPrint(java.lang.String pad)
void	setFeatureStructure(opennlp.common.unify.FeatureStructure fs) Sets the feature structure.
void	setLF(opennlp.common.synsem.LF lf) Sets the LF.
void	setNext(gnu.trove.TLinkable linkable) Sets the linked list node after this one.
void	setPrevious(gnu.trove.TLinkable linkable) Sets the linked list node before this one.
boolean	shallowEquals(java.lang.Object o)
static boolean	showFeature()
static int	tooLong()
abstract java.lang.String	toString()
abstract java.lang.Object	unify(java.lang.Object u, opennlp.common.unify.Substitution sub) NB: The LF does not participate in unification.
abstract void	unifyCheck(java.lang.Object u)

Methods inherited from class java.lang.Object

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

Field Detail

SHOW_SEMANTICS

public static boolean SHOW_SEMANTICS

_featStruc

protected opennlp.common.unify.FeatureStructure _featStruc

The feature structure, which should only be used with atomic categories.

_lf

protected opennlp.common.synsem.LF _lf

The logical form, which should be used only with the outermost category.

_previous

protected gnu.trove.TLinkable _previous

_next

protected gnu.trove.TLinkable _next

Constructor Detail

AbstractCat

public AbstractCat()

Default constructor.

AbstractCat

public AbstractCat(opennlp.common.synsem.LF lf)

Constructor which sets the LF.

AbstractCat

public AbstractCat(org.jdom.Element elt)

Constructor which retrieves the LF from the XML element and flattens it to a conjunction of elementary predications (or a single one).

Method Detail

getFeatureStructure

public opennlp.common.unify.FeatureStructure getFeatureStructure()

Gets the feature structure.

Specified by:

getFeatureStructure in interface opennlp.common.synsem.Category

setFeatureStructure

public void setFeatureStructure(opennlp.common.unify.FeatureStructure fs)

Sets the feature structure.

Specified by:

setFeatureStructure in interface opennlp.common.synsem.Category

getLF

public opennlp.common.synsem.LF getLF()

Gets the LF.

Specified by:

getLF in interface opennlp.common.synsem.Category

setLF

public void setLF(opennlp.common.synsem.LF lf)

Sets the LF.

Specified by:

setLF in interface opennlp.common.synsem.Category

toString

public abstract java.lang.String toString()

Overrides:

toString in class java.lang.Object

equals

public abstract boolean equals(java.lang.Object c)

Specified by:

equals in interface opennlp.common.unify.Unifiable

Overrides:

equals in class java.lang.Object

copy

public abstract opennlp.common.synsem.Category copy()

Specified by:

copy in interface opennlp.common.synsem.Category

fill

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

Specified by:

fill in interface opennlp.common.unify.Unifiable

opennlp.common.unify.UnifyFailure

unifyCheck

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

NB: The LF does not participate in unification.

Specified by:

unify in interface opennlp.common.unify.Unifiable

opennlp.common.unify.UnifyFailure

shallowEquals

public boolean shallowEquals(java.lang.Object o)

Specified by:

shallowEquals in interface opennlp.common.synsem.Category

deepMap

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

Specified by:

deepMap in interface opennlp.common.unify.Mutable

forall

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

Specified by:

forall in interface opennlp.common.synsem.Category

occurs

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

Specified by:

occurs in interface opennlp.common.unify.Unifiable

prettyPrint

public java.lang.String prettyPrint()

prettyPrint

protected java.lang.String prettyPrint(java.lang.String pad)

prettyLength

protected int prettyLength(java.lang.String s)

hashString

public java.lang.String hashString()

Returns a unique string for this category. The string should handle equivalence up to variable names as long as features and predicates are in the same order.

Specified by:

hashString in interface opennlp.common.synsem.Category

hashString

public abstract 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 opennlp.common.synsem.Category

showFeature

public static boolean showFeature()

tooLong

public static int tooLong()

getNext

public gnu.trove.TLinkable getNext()

Returns the linked list node after this one.

Specified by:

getNext in interface gnu.trove.TLinkable

Returns:

a TLinkable value

getPrevious

public gnu.trove.TLinkable getPrevious()

Returns the linked list node before this one.

Specified by:

getPrevious in interface gnu.trove.TLinkable

Returns:

a TLinkable value

setNext

public void setNext(gnu.trove.TLinkable linkable)

Sets the linked list node after this one.

Specified by:

setNext in interface gnu.trove.TLinkable

Parameters:

linkable - a TLinkable value

setPrevious

public void setPrevious(gnu.trove.TLinkable linkable)

Sets the linked list node before this one.

Specified by:

setPrevious in interface gnu.trove.TLinkable

Parameters:

linkable - a TLinkable value