org.apache.lucene.benchmark.byTask.feeds

## Class FacetSource

- java.lang.Object
- - org.apache.lucene.benchmark.byTask.feeds.ContentItemsSource
  - - org.apache.lucene.benchmark.byTask.feeds.FacetSource

All Implemented Interfaces:
  Closeable, AutoCloseable

Direct Known Subclasses:
  RandomFacetSource

    public abstract class FacetSource
    extends ContentItemsSource

Source items for facets.

For supported configuration parameters see `ContentItemsSource`.

### Field Summary

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

`encoding, forever, logStep, verbose`

### Constructor Summary

Constructors
Constructor and Description
`FacetSource()`

### Method Summary

Methods
`abstract void` `getNextFacets(List<CategoryPath> facets)` Fills the next facets content items in the given list.
`void` `resetInputs()` Resets the input for this content source, so that the test would behave as if it was just started, input-wise.

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

`addBytes, addItem, close, collectFiles, getBytesCount, getConfig, getItemsCount, getTotalBytesCount, getTotalItemsCount, printStatistics, setConfig, shouldLog`

### Methods inherited from class java.lang.Object

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

### Constructor Detail

#### FacetSource

    public FacetSource()

### Method Detail

#### getNextFacets

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

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

Throws:
  `NoMoreDataException`
  `IOException`

#### resetInputs

    public void resetInputs()
                     throws IOException

Description copied from class: `ContentItemsSource`
Resets the input for this content source, so that the test would behave as if it was just started, input-wise.

NOTE: the default implementation resets the number of bytes and items generated since the last reset, so it's important to call super.resetInputs in case you override this method.

Overrides:
  `resetInputs` in class `ContentItemsSource`
Throws:
  `IOException`