## org.apache.lucene.benchmark.byTask.feeds
Class ContentSource

    java.lang.Object
      org.apache.lucene.benchmark.byTask.feeds.ContentItemsSource
          org.apache.lucene.benchmark.byTask.feeds.ContentSource

All Implemented Interfaces:
  Closeable

Direct Known Subclasses:
  DirContentSource, EnwikiContentSource, LineDocSource, LongToEnglishContentSource, ReutersContentSource, SingleDocSource, TrecContentSource

    public abstract class ContentSource

extends ContentItemsSource

Represents content from a specified source, such as TREC, Reuters etc. A `ContentSource` is responsible for creating `DocData` objects for its documents to be consumed by `DocMaker`. It also keeps track of various statistics, such as how many documents were generated, size in bytes etc.

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
`ContentSource()`

Method Summary
`abstract DocData` `getNextDocData(DocData docData)` Returns the next `DocData` from the content source.

Methods inherited from class org.apache.lucene.benchmark.byTask.feeds.ContentItemsSource
`addBytes, addItem, close, collectFiles, getBytesCount, getConfig, getItemsCount, getTotalBytesCount, getTotalItemsCount, printStatistics, resetInputs, setConfig, shouldLog`

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Constructor Detail

### ContentSource

    public ContentSource()

Method Detail

### getNextDocData

    public abstract DocData getNextDocData(DocData docData)
                                    throws NoMoreDataException,
                                           IOException

  Returns the next `DocData` from the content source. Implementations must account for multi-threading, as multiple threads can call this method simultaneously.

  Throws:
    `NoMoreDataException`
    `IOException`