lempinen.neatseeker.core
Class NeatSeeker

java.lang.Object
  |
  +--lempinen.neatseeker.core.NeatSeeker

public class NeatSeeker

extends java.lang.Object

The NeatSeeker search front-end class.

This class provides services for searching the NeatSeeker index. Actual search front-ends should extend (or with servlets, aggregate) this class.

Version:

$Id: NeatSeeker.java,v 1.5 2000/09/27 17:01:25 lempinen Exp $

Author:

Sami Lempinen

Field Summary

protected Configuration	conf The Configuration object.
protected Repository	repository The repository object.
protected Statistics	statistics The Statistics object.
protected Stemmer	stemmer The stemmer object.
protected Weighter	weighter The Weighter object.

Constructor Summary

NeatSeeker(Configuration c)
Creates a new NeatSeeker object with the given configuration.

Method Summary

protected PointerList	doSearch(java.lang.String[] keys, int index) Searches for an array of keywords.
Target	getTarget(long id) Returns the Target from the Repository.
static void	main(java.lang.String[] args) Main method.
PointerList	search(java.lang.String query) Parses a search string into an array of search terms and runs the search.
PointerList	search(java.lang.String[] query) Parses an array of search terms and runs the search.
protected PointerList	searchPhrase(java.lang.String phrase) Performs a phrase search for two or more words.
PointerList	searchSimple(java.lang.String key) Searches for a particular key string.

Methods inherited from class java.lang.Object

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

Field Detail

repository

protected Repository repository

The repository object.

stemmer

protected Stemmer stemmer

The stemmer object.

conf

protected Configuration conf

The Configuration object.

statistics

protected Statistics statistics

The Statistics object.

weighter

protected Weighter weighter

The Weighter object.

Constructor Detail

NeatSeeker

public NeatSeeker(Configuration c)
           throws java.io.IOException

Creates a new NeatSeeker object with the given configuration.

Method Detail

search

public PointerList search(java.lang.String[] query)

Parses an array of search terms and runs the search.

Returns a PointerList that represents the search results.

search

public PointerList search(java.lang.String query)
                   throws java.io.IOException

Parses a search string into an array of search terms and runs the search.

This form of search() is useful e.g. in a CGI/Servlet environment, where the query comes in the form of a single string.

Returns a PointerList that represents the search results.

doSearch

protected PointerList doSearch(java.lang.String[] keys,
                               int index)

Searches for an array of keywords.

searchSimple

public PointerList searchSimple(java.lang.String key)

Searches for a particular key string. This method overrides the default one in Repository, and adds phrase checking.

searchPhrase

protected PointerList searchPhrase(java.lang.String phrase)

Performs a phrase search for two or more words. Phrase search is merely a specialised case of proximity search, but the phrase needs to be tokenised first.

getTarget

public Target getTarget(long id)
                 throws java.io.IOException,
                        java.lang.ClassNotFoundException

Returns the Target from the Repository.

main

public static void main(java.lang.String[] args)
                 throws java.io.IOException,
                        java.lang.ClassNotFoundException

Main method. Not really useful for anything except testing.