com.browseengine.bobo.facets.data

Class MultiValueFacetDataCache<T>

java.lang.Object

com.browseengine.bobo.facets.data.FacetDataCache<T>

com.browseengine.bobo.facets.data.MultiValueFacetDataCache<T>

All Implemented Interfaces:

Serializable

Direct Known Subclasses:

MultiValueWithWeightFacetDataCache

public class MultiValueFacetDataCache<T>
extends FacetDataCache<T>

Author:

ymatsuda

See Also:

Serialized Form

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	MultiValueFacetDataCache.AllocOnlyLoader A loader that allocate data storage without loading data to BigNestedIntArray.
static class	MultiValueFacetDataCache.MultiFacetDocComparatorSource

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

FacetDataCache.FacetDocComparatorSource

Field Summary

Fields

Modifier and Type	Field and Description
protected int	_maxItems
BigNestedIntArray	_nestedArray
protected boolean	_overflow

Fields inherited from class com.browseengine.bobo.facets.data.FacetDataCache

freqs, maxIDs, minIDs, orderArray, valArray

Constructor Summary

Constructors

Constructor and Description
MultiValueFacetDataCache()

Method Summary

Methods

Modifier and Type	Method and Description
protected BigNestedIntArray.BufferedLoader	getBufferedLoader(int maxdoc, BoboIndexReader.WorkArea workArea)
int	getNumItems(int docid)
void	load(String fieldName, org.apache.lucene.index.IndexReader reader, TermListFactory<T> listFactory)
void	load(String fieldName, org.apache.lucene.index.IndexReader reader, TermListFactory<T> listFactory, BoboIndexReader.WorkArea workArea) loads multi-value facet data.
void	load(String fieldName, org.apache.lucene.index.IndexReader reader, TermListFactory<T> listFactory, org.apache.lucene.index.Term sizeTerm) loads multi-value facet data.
protected void	logOverflow(String fieldName)
MultiValueFacetDataCache<T>	setMaxItems(int maxItems)

Methods inherited from class com.browseengine.bobo.facets.data.FacetDataCache

convert, getNegativeValueCount

Methods inherited from class java.lang.Object

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

Field Detail

_nestedArray

public final BigNestedIntArray _nestedArray

_maxItems

protected int _maxItems

_overflow

protected boolean _overflow

Constructor Detail

MultiValueFacetDataCache

public MultiValueFacetDataCache()

Method Detail

setMaxItems

public MultiValueFacetDataCache<T> setMaxItems(int maxItems)

getNumItems

public int getNumItems(int docid)

Overrides:

getNumItems in class FacetDataCache<T>

load

public void load(String fieldName,
        org.apache.lucene.index.IndexReader reader,
        TermListFactory<T> listFactory)
          throws IOException

Overrides:

load in class FacetDataCache<T>

Throws:

IOException

load

public void load(String fieldName,
        org.apache.lucene.index.IndexReader reader,
        TermListFactory<T> listFactory,
        BoboIndexReader.WorkArea workArea)
          throws IOException

loads multi-value facet data. This method uses a workarea to prepare loading.

Parameters:

fieldName -

reader -

listFactory -

workArea -

Throws:

IOException

load

public void load(String fieldName,
        org.apache.lucene.index.IndexReader reader,
        TermListFactory<T> listFactory,
        org.apache.lucene.index.Term sizeTerm)
          throws IOException

loads multi-value facet data. This method uses the count payload to allocate storage before loading data.

Parameters:

fieldName -

sizeTerm -

reader -

listFactory -

Throws:

IOException

logOverflow

protected void logOverflow(String fieldName)

getBufferedLoader

protected BigNestedIntArray.BufferedLoader getBufferedLoader(int maxdoc,
                                                 BoboIndexReader.WorkArea workArea)