info.aduna.infosource.crawl.index
Class LuceneIndex

java.lang.Object
  info.aduna.infosource.crawl.index.LuceneIndex

public class LuceneIndex
extends Object

Class representing a Lucene index which handles read/write synchronization.

Field Summary

static String[]

SEARCH_FIELDS

Constructor Summary

LuceneIndex(File indexDir, org.apache.lucene.analysis.Analyzer analyzer)
Creates and initializes a Lucene index.

Method Summary

void	addDocument(org.apache.lucene.document.Document document)
void	clear() Gets rid of the contents of the index *without* sending any events.
void	close()
void	delete(org.apache.lucene.index.Term term)
org.apache.lucene.analysis.Analyzer	getAnalyzer()
void	optimize() Optimizes the Lucene index.
org.apache.lucene.search.Hits	search(org.apache.lucene.search.Query query)
void	search(org.apache.lucene.search.Query query, LuceneSearchResultListener listener)
org.apache.lucene.search.Hits	search(String query)
void	search(String query, LuceneSearchResultListener listener)

Methods inherited from class java.lang.Object

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

Field Detail

SEARCH_FIELDS

public static final String[] SEARCH_FIELDS

Constructor Detail

LuceneIndex

public LuceneIndex(File indexDir,
                   org.apache.lucene.analysis.Analyzer analyzer)
            throws IOException

Creates and initializes a Lucene index.

Parameters:

indexDir - The directory in which the Lucene index can be found or should be created.

analyzer - The Analyzer to use for indexing document text.

Throws:

IOException

Method Detail

getAnalyzer

public org.apache.lucene.analysis.Analyzer getAnalyzer()

search

public void search(String query,
                   LuceneSearchResultListener listener)
            throws IOException,
                   org.apache.lucene.queryParser.ParseException

Throws:

IOException

org.apache.lucene.queryParser.ParseException

search

public void search(org.apache.lucene.search.Query query,
                   LuceneSearchResultListener listener)
            throws IOException

Throws:

IOException

search

public org.apache.lucene.search.Hits search(String query)
                                     throws IOException,
                                            org.apache.lucene.queryParser.ParseException

Throws:

IOException

org.apache.lucene.queryParser.ParseException

search

public org.apache.lucene.search.Hits search(org.apache.lucene.search.Query query)
                                     throws IOException

Throws:

IOException

addDocument

public void addDocument(org.apache.lucene.document.Document document)
                 throws IOException

Throws:

IOException

delete

public void delete(org.apache.lucene.index.Term term)
            throws IOException

Throws:

IOException

optimize

public void optimize()
              throws IOException

Optimizes the Lucene index.

Throws:

IOException

clear

public void clear()
           throws IOException

Gets rid of the contents of the index *without* sending any events.

Throws:

IOException

close

public void close()
           throws IOException

Throws:

IOException