org.apache.flink.api.java.hadoop.mapred

Class HadoopInputFormat<K,V>

java.lang.Object

org.apache.flink.api.java.hadoop.mapred.HadoopInputFormatBase<K,V,Tuple2<K,V>>

org.apache.flink.api.java.hadoop.mapred.HadoopInputFormat<K,V>

All Implemented Interfaces:

Serializable, InputFormat<Tuple2<K,V>,HadoopInputSplit>, ResultTypeQueryable<Tuple2<K,V>>, InputSplitSource<HadoopInputSplit>

public class HadoopInputFormat<K,V>
extends HadoopInputFormatBase<K,V,Tuple2<K,V>>
implements ResultTypeQueryable<Tuple2<K,V>>

See Also:

Serialized Form

Field Summary

Fields inherited from class org.apache.flink.api.java.hadoop.mapred.HadoopInputFormatBase

fetched, hasNext, key, keyClass, value, valueClass

Constructor Summary

Constructors

Constructor and Description
HadoopInputFormat(org.apache.hadoop.mapred.InputFormat<K,V> mapredInputFormat, Class<K> key, Class<V> value, org.apache.hadoop.mapred.JobConf job)

Method Summary

Methods

Modifier and Type	Method and Description
TypeInformation<Tuple2<K,V>>	getProducedType() Gets the data type (as a TypeInformation) produced by this function or input format.
Tuple2<K,V>	nextRecord(Tuple2<K,V> record)

Methods inherited from class org.apache.flink.api.java.hadoop.mapred.HadoopInputFormatBase

close, configure, createInputSplits, fetchNext, getInputSplitAssigner, getJobConf, getStatistics, open, reachedEnd

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

HadoopInputFormat

public HadoopInputFormat(org.apache.hadoop.mapred.InputFormat<K,V> mapredInputFormat,
                 Class<K> key,
                 Class<V> value,
                 org.apache.hadoop.mapred.JobConf job)

Method Detail

nextRecord

public Tuple2<K,V> nextRecord(Tuple2<K,V> record)
                       throws IOException

Specified by:

nextRecord in interface InputFormat<Tuple2<K,V>,HadoopInputSplit>

Throws:

IOException

getProducedType

public TypeInformation<Tuple2<K,V>> getProducedType()

Description copied from interface: ResultTypeQueryable

Gets the data type (as a TypeInformation) produced by this function or input format.

Specified by:

getProducedType in interface ResultTypeQueryable<Tuple2<K,V>>

Returns:

The data type produced by this function or input format.