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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:
DelimitedTextFileReader
,
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
IOException
Read next entity from a reader.
Returns:
the entity or
null
Throws:
IOException
- if an I/O error occurs
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