| Interface | Description | 
|---|---|
| FileReader<D> | 
 Interface for reading data from a file. 
 | 
| SeekableInput | 
 An InputStream that supports seek and tell. 
 | 
| Class | Description | 
|---|---|
| CodecFactory | 
 Encapsulates the ability to specify and configure a compression codec. 
 | 
| DataFileConstants | 
 Constants used in data files. 
 | 
| DataFileReader<D> | 
 Random access to files written with  
DataFileWriter. | 
| DataFileReader12<D> | 
 Read files written by Avro version 1.2. 
 | 
| DataFileStream<D> | 
 Streaming access to files written by  
DataFileWriter. | 
| DataFileStream.Header | 
 A handle that can be used to reopen a DataFile without re-reading the
 header of the stream. 
 | 
| DataFileWriter<D> | 
 Stores in a file a sequence of data conforming to a schema. 
 | 
| SeekableByteArrayInput | 
 A  
SeekableInput backed with data in a byte array. | 
| SeekableFileInput | 
 A  
FileInputStream that implements SeekableInput. | 
| Exception | Description | 
|---|---|
| DataFileWriter.AppendWriteException | 
 Thrown by  
DataFileWriter.append(Object) when an exception occurs while writing a
 datum to the buffer. | 
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