| Package | Description | 
|---|---|
| org.apache.avro.file | A container file for Avro data. | 
| org.apache.avro.mapred | Run Hadoop MapReduce jobs over
Avro data, with map and reduce functions written in Java. | 
| org.apache.avro.mapreduce | 
| Modifier and Type | Class and Description | 
|---|---|
| class  | SeekableByteArrayInputA  SeekableInputbacked with data in a byte array. | 
| class  | SeekableFileInputA  FileInputStreamthat implementsSeekableInput. | 
| Modifier and Type | Method and Description | 
|---|---|
| DataFileWriter<D> | DataFileWriter. appendTo(SeekableInput in,
        OutputStream out)Open a writer appending to an existing file. | 
| static <D> FileReader<D> | DataFileReader. openReader(SeekableInput in,
          DatumReader<D> reader)Open a reader for a file. | 
| static <D> DataFileReader<D> | DataFileReader. openReader(SeekableInput in,
          DatumReader<D> reader,
          DataFileStream.Header header,
          boolean sync)Construct a reader for a file at the current position of the input, without
 reading the header. | 
| Constructor and Description | 
|---|
| DataFileReader(SeekableInput sin,
              DatumReader<D> reader)Construct a reader for a file. | 
| DataFileReader(SeekableInput sin,
              DatumReader<D> reader,
              boolean closeOnError)Construct a reader for a file. | 
| DataFileReader(SeekableInput sin,
              DatumReader<D> reader,
              DataFileStream.Header header)Construct using a  DataFileStream.Header. | 
| DataFileReader12(SeekableInput sin,
                DatumReader<D> reader)Construct a reader for a file. | 
| Modifier and Type | Class and Description | 
|---|---|
| class  | FsInputAdapt an  FSDataInputStreamtoSeekableInput. | 
| Modifier and Type | Method and Description | 
|---|---|
| protected SeekableInput | AvroRecordReaderBase. createSeekableInput(Configuration conf,
                   Path path)Creates a seekable input stream to an Avro container file. | 
| Modifier and Type | Method and Description | 
|---|---|
| protected DataFileReader<T> | AvroRecordReaderBase. createAvroFileReader(SeekableInput input,
                    DatumReader<T> datumReader)Creates an Avro container file reader from a seekable input stream. | 
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