org.apache.lucene.search.spell

Class HighFrequencyDictionary

java.lang.Object

org.apache.lucene.search.spell.HighFrequencyDictionary

All Implemented Interfaces:

Dictionary

public class HighFrequencyDictionary
extends java.lang.Object
implements Dictionary

HighFrequencyDictionary: terms taken from the given field of a Lucene index, which appear in a number of documents above a given threshold. Threshold is a value in [0..1] representing the minimum number of documents (of the total) where a term should appear. Based on LuceneDictionary.

Constructor Summary

Constructors

Constructor and Description
HighFrequencyDictionary(IndexReader reader, java.lang.String field, float thresh)

Method Summary

Modifier and Type	Method and Description
BytesRefIterator	getWordsIterator() Return all words present in the dictionary

Methods inherited from class java.lang.Object

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

Constructor Detail

HighFrequencyDictionary

public HighFrequencyDictionary(IndexReader reader,
                               java.lang.String field,
                               float thresh)

Method Detail

getWordsIterator

public final BytesRefIterator getWordsIterator()
                                        throws java.io.IOException

Description copied from interface: Dictionary

Return all words present in the dictionary

Specified by:

getWordsIterator in interface Dictionary

Returns:

Iterator

Throws:

java.io.IOException