com.browseengine.bobo.api

Class MultiBoboBrowser

java.lang.Object

org.apache.lucene.search.Searcher

org.apache.lucene.search.MultiSearcher

com.browseengine.bobo.api.MultiBoboBrowser

All Implemented Interfaces:

Browsable, Closeable, AutoCloseable, org.apache.lucene.search.Searchable

Direct Known Subclasses:

BoboBrowser

public class MultiBoboBrowser
extends org.apache.lucene.search.MultiSearcher
implements Browsable, Closeable

Provides implementation of Browser for multiple Browser instances

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	MultiBoboBrowser.BrowseFacetValueComparator Compare BrowseFacets by their value

Field Summary

Fields

Modifier and Type	Field and Description
protected Browsable[]	_subBrowsers

Constructor Summary

Constructors

Constructor and Description
MultiBoboBrowser(Browsable[] browsers)

Method Summary

Methods

Modifier and Type	Method and Description
BrowseResult	browse(BrowseRequest req) Generate a merged BrowseResult from the given BrowseRequest
void	browse(BrowseRequest req, org.apache.lucene.search.Collector hc, Map<String,FacetAccessible> facetMap) Implementation of the browse method using a Lucene HitCollector
void	browse(BrowseRequest req, org.apache.lucene.search.Collector collector, Map<String,FacetAccessible> facetMap, int start)
void	browse(BrowseRequest req, org.apache.lucene.search.Weight weight, org.apache.lucene.search.Collector hc, Map<String,FacetAccessible> facetMap, int start)
void	close()
FacetHandler<?>	getFacetHandler(String name)
Map<String,FacetHandler<?>>	getFacetHandlerMap()
Set<String>	getFacetNames()
String[]	getFieldVal(int docid, String fieldname) Return the values of a field for the given doc
Object[]	getRawFieldVal(int docid, String fieldname)
SortCollector	getSortCollector(org.apache.lucene.search.SortField[] sort, org.apache.lucene.search.Query q, int offset, int count, boolean fetchStoredFields, Set<String> termVectorsToFetch, boolean forceScoring, String[] groupBy, int maxPerGroup, boolean collectDocIdCache)
int[]	getStarts()
Browsable[]	getSubBrowsers() Gets the array of sub-browsers
int	numDocs()
void	setFacetHandler(FacetHandler<?> facetHandler)
void	setSimilarity(org.apache.lucene.search.Similarity similarity)
Browsable	subBrowser(int docid) Gets the sub-browser for a given docid

Methods inherited from class org.apache.lucene.search.MultiSearcher

createNormalizedWeight, doc, doc, docFreq, explain, getSearchables, maxDoc, rewrite, search, search, search, subDoc, subSearcher

Methods inherited from class org.apache.lucene.search.Searcher

createWeight, docFreqs, explain, getSimilarity, search, search, search, search, search, search

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.browseengine.bobo.api.Browsable

explain, getSimilarity

Methods inherited from interface org.apache.lucene.search.Searchable

doc, doc, docFreq, docFreqs, explain, maxDoc, rewrite, search, search, search

Field Detail

_subBrowsers

protected final Browsable[] _subBrowsers

Constructor Detail

MultiBoboBrowser

public MultiBoboBrowser(Browsable[] browsers)
                 throws IOException

Parameters:

browsers - Browsers to search on

Throws:

IOException

Method Detail

browse

public void browse(BrowseRequest req,
          org.apache.lucene.search.Collector hc,
          Map<String,FacetAccessible> facetMap)
            throws BrowseException

Implementation of the browse method using a Lucene HitCollector

Specified by:

browse in interface Browsable

Parameters:

req - BrowseRequest

hc - Collector for the hits generated during a search

Throws:

BrowseException

browse

public void browse(BrowseRequest req,
          org.apache.lucene.search.Collector collector,
          Map<String,FacetAccessible> facetMap,
          int start)
            throws BrowseException

Specified by:

browse in interface Browsable

Throws:

BrowseException

browse

public void browse(BrowseRequest req,
          org.apache.lucene.search.Weight weight,
          org.apache.lucene.search.Collector hc,
          Map<String,FacetAccessible> facetMap,
          int start)
            throws BrowseException

Specified by:

browse in interface Browsable

Throws:

BrowseException

browse

public BrowseResult browse(BrowseRequest req)
                    throws BrowseException

Generate a merged BrowseResult from the given BrowseRequest

Specified by:

browse in interface Browsable

Parameters:

req - BrowseRequest for generating the facets

Returns:

BrowseResult of the results of the BrowseRequest

Throws:

BrowseException

getFieldVal

public String[] getFieldVal(int docid,
                   String fieldname)
                     throws IOException

Return the values of a field for the given doc

Specified by:

getFieldVal in interface Browsable

Throws:

IOException

getRawFieldVal

public Object[] getRawFieldVal(int docid,
                      String fieldname)
                        throws IOException

Specified by:

getRawFieldVal in interface Browsable

Throws:

IOException

getSubBrowsers

public Browsable[] getSubBrowsers()

Gets the array of sub-browsers

Returns:

sub-browsers

See Also:

MultiSearcher.getSearchables()

getStarts

public int[] getStarts()

Overrides:

getStarts in class org.apache.lucene.search.MultiSearcher

subBrowser

public Browsable subBrowser(int docid)

Gets the sub-browser for a given docid

Parameters:

docid -

Returns:

sub-browser instance

See Also:

MultiSearcher.subSearcher(int)

setSimilarity

public void setSimilarity(org.apache.lucene.search.Similarity similarity)

Specified by:

setSimilarity in interface Browsable

Overrides:

setSimilarity in class org.apache.lucene.search.Searcher

numDocs

public int numDocs()

Specified by:

numDocs in interface Browsable

getFacetNames

public Set<String> getFacetNames()

Specified by:

getFacetNames in interface Browsable

getFacetHandler

public FacetHandler<?> getFacetHandler(String name)

Specified by:

getFacetHandler in interface Browsable

getFacetHandlerMap

public Map<String,FacetHandler<?>> getFacetHandlerMap()

Specified by:

getFacetHandlerMap in interface Browsable

setFacetHandler

public void setFacetHandler(FacetHandler<?> facetHandler)
                     throws IOException

Specified by:

setFacetHandler in interface Browsable

Throws:

IOException

getSortCollector

public SortCollector getSortCollector(org.apache.lucene.search.SortField[] sort,
                             org.apache.lucene.search.Query q,
                             int offset,
                             int count,
                             boolean fetchStoredFields,
                             Set<String> termVectorsToFetch,
                             boolean forceScoring,
                             String[] groupBy,
                             int maxPerGroup,
                             boolean collectDocIdCache)

Specified by:

getSortCollector in interface Browsable

close

public void close()
           throws IOException

Specified by:

close in interface Closeable

Specified by:

close in interface AutoCloseable

Specified by:

close in interface org.apache.lucene.search.Searchable

Overrides:

close in class org.apache.lucene.search.MultiSearcher

Throws:

IOException