org.apache.lucene.benchmark.byTask.feeds

Class RandomFacetSource

java.lang.Object

org.apache.lucene.benchmark.byTask.feeds.ContentItemsSource

org.apache.lucene.benchmark.byTask.feeds.FacetSource

org.apache.lucene.benchmark.byTask.feeds.RandomFacetSource

All Implemented Interfaces:

Closeable, AutoCloseable

public class RandomFacetSource
extends FacetSource

Simple implementation of a random facet source

Supports the following parameters:

• rand.seed - defines the seed to initialize Random with (default: 13).
• max.doc.facet.dims - Max number of random dimensions to create (default: 5); actual number of dimensions would be anything between 1 and that number.
• max.doc.facets - maximal #facets per doc (default: 10). Actual number of facets in a certain doc would be anything between 1 and that number.
• max.facet.depth - maximal #components in a facet (default: 3). Actual number of components in a certain facet would be anything between 1 and that number.

Field Summary

Fields inherited from class org.apache.lucene.benchmark.byTask.feeds.ContentItemsSource

encoding, forever, logStep, verbose

Constructor Summary

Constructors

Constructor and Description
RandomFacetSource()

Method Summary

Methods

Modifier and Type	Method and Description
void	close() Called when reading from this content source is no longer required.
void	configure(FacetsConfig config)
void	getNextFacets(List<FacetField> facets) Fills the next facets content items in the given list.
void	setConfig(Config config) Sets the Config for this content source.

Methods inherited from class org.apache.lucene.benchmark.byTask.feeds.FacetSource

resetInputs

Methods inherited from class org.apache.lucene.benchmark.byTask.feeds.ContentItemsSource

addBytes, addItem, collectFiles, getBytesCount, getConfig, getItemsCount, getTotalBytesCount, getTotalItemsCount, printStatistics, shouldLog

Methods inherited from class java.lang.Object

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

Constructor Detail

RandomFacetSource

public RandomFacetSource()

Method Detail

getNextFacets

public void getNextFacets(List<FacetField> facets)
                   throws NoMoreDataException,
                          IOException

Description copied from class: FacetSource

Fills the next facets content items in the given list. Implementations must account for multi-threading, as multiple threads can call this method simultaneously.

Specified by:

getNextFacets in class FacetSource

Throws:

NoMoreDataException

IOException

configure

public void configure(FacetsConfig config)

Specified by:

configure in class FacetSource

close

public void close()
           throws IOException

Description copied from class: ContentItemsSource

Called when reading from this content source is no longer required.

Specified by:

close in interface Closeable

Specified by:

close in interface AutoCloseable

Specified by:

close in class ContentItemsSource

Throws:

IOException

setConfig

public void setConfig(Config config)

Description copied from class: ContentItemsSource

Sets the Config for this content source. If you override this method, you must call super.setConfig.

Overrides:

setConfig in class ContentItemsSource