opennlp.grok.unify
Class GSubstitution

java.lang.Object
  |
  +--gnu.trove.THash
        |
        +--gnu.trove.TObjectHash
              |
              +--gnu.trove.THashMap
                    |
                    +--opennlp.grok.unify.GSubstitution

All Implemented Interfaces:

java.util.Map, java.io.Serializable, opennlp.common.unify.Substitution, gnu.trove.TObjectHashingStrategy

public class GSubstitution

extends gnu.trove.THashMap

implements opennlp.common.unify.Substitution

Implementation of Substitution interface which ensures that all the categories it contains are updated as new substitutions are made.

Version:

$Revision: 1.7 $, $Date: 2003/02/07 16:53:56 $

Author:

Jason Baldridge

See Also:

Serialized Form

Field Summary

Fields inherited from class gnu.trove.THashMap

_values

Fields inherited from class gnu.trove.TObjectHash

_set, REMOVED

Fields inherited from class gnu.trove.THash

_free, _loadFactor, _maxSize, _size, DEFAULT_INITIAL_CAPACITY, DEFAULT_LOAD_FACTOR

Constructor Summary

GSubstitution()

Method Summary

void	addIndexedObject(int index, java.lang.Object o)
void	addReindex(int oldIndex, int newIndex)
void	condense()
java.lang.Object	getIndexedObject(int index)
int	getUpdatedIndex(int oldIndex)
java.lang.Object	getValue(opennlp.common.unify.Variable var) Try to get the value of a variable from this Substitution.
int	makeNewIndex(int fs1Index, int fs2Index)
java.lang.Object	makeSubstitution(opennlp.common.unify.Variable var, java.lang.Object u) Request the Substitution to identify a variable with an object.
java.lang.String	toString()
java.util.Iterator	varIterator()

Methods inherited from class gnu.trove.THashMap

clear, containsKey, containsValue, entrySet, equals, forEachEntry, forEachKey, forEachValue, get, keySet, put, putAll, rehash, remove, removeAt, retainEntries, setUp, transformValues, values

Methods inherited from class gnu.trove.TObjectHash

capacity, computeHashCode, contains, equals, forEach, index, insertionIndex

Methods inherited from class gnu.trove.THash

compact, ensureCapacity, isEmpty, postInsertHook, size, trimToSize

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.Map

hashCode, isEmpty, size

Constructor Detail

GSubstitution

public GSubstitution()

Method Detail

makeSubstitution

public java.lang.Object makeSubstitution(opennlp.common.unify.Variable var,
                                         java.lang.Object u)
                                  throws opennlp.common.unify.UnifyFailure

Request the Substitution to identify a variable with an object. Automagically condenses the Substitution so that all other values in this Substitution get the new value for the variable if they contain it.

Specified by:

makeSubstitution in interface opennlp.common.unify.Substitution

Parameters:

var - the variable whose value has been determined

Returns:

the Object identified with the variable, which has potentially undergone further unifications as a result of making the substitution

Throws:

throws - UnifyFailure if the Object cannot be unified with a previous value substituted for the Variable.

opennlp.common.unify.UnifyFailure

getValue

public java.lang.Object getValue(opennlp.common.unify.Variable var)

Try to get the value of a variable from this Substitution. Returns null if the variable is unknown to the Substitution.

Specified by:

getValue in interface opennlp.common.unify.Substitution

Parameters:

var - the variable whose value after unification is desired

Returns:

the Object which this variable has been unified with

varIterator

public java.util.Iterator varIterator()

Specified by:

varIterator in interface opennlp.common.unify.Substitution

makeNewIndex

public int makeNewIndex(int fs1Index,
                        int fs2Index)

addReindex

public void addReindex(int oldIndex,
                       int newIndex)

getUpdatedIndex

public int getUpdatedIndex(int oldIndex)

addIndexedObject

public void addIndexedObject(int index,
                             java.lang.Object o)

getIndexedObject

public java.lang.Object getIndexedObject(int index)

condense

public void condense()
              throws opennlp.common.unify.UnifyFailure

opennlp.common.unify.UnifyFailure

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object