com.browseengine.bobo.facets.impl
Class HistogramFacetHandler<T extends Number>

java.lang.Object
  com.browseengine.bobo.facets.FacetHandler<D>
      com.browseengine.bobo.facets.RuntimeFacetHandler<FacetHandler.FacetDataNone>
          com.browseengine.bobo.facets.impl.HistogramFacetHandler<T>

public class HistogramFacetHandler<T extends Number>
extends RuntimeFacetHandler<FacetHandler.FacetDataNone>

Nested Class Summary

static class	HistogramFacetHandler.HistogramCollector<T extends Number>
static class	HistogramFacetHandler.HistogramFacetIterator

Nested classes/interfaces inherited from class com.browseengine.bobo.facets.FacetHandler

FacetHandler.FacetDataNone, FacetHandler.TermCountSize

Field Summary

Fields inherited from class com.browseengine.bobo.facets.FacetHandler

_name

Constructor Summary

HistogramFacetHandler(String name, String dataHandlerName, T start, T end, T unit)

Method Summary

RandomAccessFilter	buildRandomAccessAndFilter(String[] vals, Properties prop)
RandomAccessFilter	buildRandomAccessFilter(String value, Properties prop)
RandomAccessFilter	buildRandomAccessOrFilter(String[] vals, Properties prop, boolean isNot)
DocComparatorSource	getDocComparatorSource() builds a comparator to determine how sorting is done
FacetCountCollectorSource	getFacetCountCollectorSource(BrowseSelection sel, FacetSpec ospec) Gets a FacetCountCollector
String[]	getFieldValues(BoboIndexReader reader, int id) Gets the field value
Object[]	getRawFieldValues(BoboIndexReader reader, int id)
FacetHandler.FacetDataNone	load(BoboIndexReader reader) Load information from an index reader, initialized by BoboIndexReader

Methods inherited from class com.browseengine.bobo.facets.RuntimeFacetHandler

close, getFacetData, loadFacetData, loadFacetData

Methods inherited from class com.browseengine.bobo.facets.FacetHandler

buildFilter, clone, getDependedFacetHandler, getDependsOn, getFacetCountCollectorSource, getFieldValue, getName, getTermCountSize, load, merge, putDependedFacetHandler, setTermCountSize, setTermCountSize

Methods inherited from class java.lang.Object

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

Constructor Detail

HistogramFacetHandler

public HistogramFacetHandler(String name,
                             String dataHandlerName,
                             T start,
                             T end,
                             T unit)

Method Detail

load

public FacetHandler.FacetDataNone load(BoboIndexReader reader)
                                throws IOException

Description copied from class: FacetHandler

Load information from an index reader, initialized by BoboIndexReader

Specified by:

load in class FacetHandler<FacetHandler.FacetDataNone>

Parameters:

reader - reader

Throws:

IOException

getDocComparatorSource

public DocComparatorSource getDocComparatorSource()

Description copied from class: FacetHandler

builds a comparator to determine how sorting is done

Specified by:

getDocComparatorSource in class FacetHandler<FacetHandler.FacetDataNone>

Returns:

a sort comparator

getFieldValues

public String[] getFieldValues(BoboIndexReader reader,
                               int id)

Description copied from class: FacetHandler

Gets the field value

Specified by:

getFieldValues in class FacetHandler<FacetHandler.FacetDataNone>

Parameters:

reader - index reader

id - doc

Returns:

array of field values

See Also:

FacetHandler.getFieldValue(BoboIndexReader,int)

getRawFieldValues

public Object[] getRawFieldValues(BoboIndexReader reader,
                                  int id)

Overrides:

getRawFieldValues in class FacetHandler<FacetHandler.FacetDataNone>

buildRandomAccessFilter

public RandomAccessFilter buildRandomAccessFilter(String value,
                                                  Properties prop)
                                           throws IOException

Specified by:

buildRandomAccessFilter in class FacetHandler<FacetHandler.FacetDataNone>

Throws:

IOException

buildRandomAccessAndFilter

public RandomAccessFilter buildRandomAccessAndFilter(String[] vals,
                                                     Properties prop)
                                              throws IOException

Overrides:

buildRandomAccessAndFilter in class FacetHandler<FacetHandler.FacetDataNone>

Throws:

IOException

buildRandomAccessOrFilter

public RandomAccessFilter buildRandomAccessOrFilter(String[] vals,
                                                    Properties prop,
                                                    boolean isNot)
                                             throws IOException

Overrides:

buildRandomAccessOrFilter in class FacetHandler<FacetHandler.FacetDataNone>

Throws:

IOException

getFacetCountCollectorSource

public FacetCountCollectorSource getFacetCountCollectorSource(BrowseSelection sel,
                                                              FacetSpec ospec)

Description copied from class: FacetHandler

Gets a FacetCountCollector

Specified by:

getFacetCountCollectorSource in class FacetHandler<FacetHandler.FacetDataNone>

Parameters:

sel - selection

ospec - facetSpec

Returns:

a FacetCountCollector