org.springframework.data.hadoop.store

Interface DataReader<T>

Type Parameters:

T - Type of an entity for the reader

All Known Subinterfaces:

DataStoreReader<T>

All Known Implementing Classes:

AbstractDatasetStoreReader, AvroPojoDatasetStoreReader, DelimitedTextFileReader, ParquetDatasetStoreReader, TextFileReader, TextSequenceFileReader

public interface DataReader<T>

A DataReader is an interface for reader implementation able to read entities from a store.

Author:

Janne Valkealahti

Method Summary

Methods

Modifier and Type	Method and Description
T	read() Read next entity from a reader.

Method Detail

read

T read()
       throws java.io.IOException

Read next entity from a reader.

Returns:

the entity or null

Throws:

java.io.IOException - if an I/O error occurs