org.egothor.stemmer

Class Optimizer

java.lang.Object

org.egothor.stemmer.Reduce

org.egothor.stemmer.Optimizer

Direct Known Subclasses:

Optimizer2

public class Optimizer
extends Reduce

The Optimizer class is a Trie that will be reduced (have empty rows removed). The reduction will be made by joining two rows where the first is a subset of the second.

Author:

Leo Galambos

Constructor Summary

Constructors

Constructor and Description
Optimizer() Constructor for the Optimizer object.

Method Summary

Modifier and Type	Method and Description
org.egothor.stemmer.Cell	merge(org.egothor.stemmer.Cell m, org.egothor.stemmer.Cell e) Merge the given Cells and return the resulting Cell.
Row	merge(Row master, Row existing) Merge the given rows and return the resulting Row.
Trie	optimize(Trie orig) Optimize (remove empty rows) from the given Trie and return the resulting Trie.

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

Optimizer

public Optimizer()

Constructor for the Optimizer object.

Method Detail

optimize

public Trie optimize(Trie orig)

Optimize (remove empty rows) from the given Trie and return the resulting Trie.

Overrides:

optimize in class Reduce

Parameters:

orig - the Trie to consolidate

Returns:

the newly consolidated Trie

merge

public Row merge(Row master,
                 Row existing)

Merge the given rows and return the resulting Row.

Parameters:

master - the master Row

existing - the existing Row

Returns:

the resulting Row, or null if the operation cannot be realized

merge

public org.egothor.stemmer.Cell merge(org.egothor.stemmer.Cell m,
                                      org.egothor.stemmer.Cell e)

Merge the given Cells and return the resulting Cell.

Parameters:

m - the master Cell

e - the existing Cell

Returns:

the resulting Cell, or null if the operation cannot be realized