org.apache.flink.runtime.jobmanager.splitassigner

Class InputSplitWrapper

java.lang.Object

org.apache.flink.runtime.jobmanager.splitassigner.InputSplitWrapper

All Implemented Interfaces:

IOReadableWritable

public final class InputSplitWrapper
extends Object
implements IOReadableWritable

An input split wrapper object wraps an input split for RPC calls. In particular, the input split wrapper ensures that the right class loader is used to instantiate the wrapped input split object.

Constructor Summary

Constructors

Constructor and Description
InputSplitWrapper() Default constructor for serialization/deserialization.
InputSplitWrapper(JobID jobID, InputSplit inputSplit) Constructs a new input split wrapper.

Method Summary

Methods

Modifier and Type	Method and Description
InputSplit	getInputSplit() Returns the wrapped input split.
void	read(DataInputView in)
void	write(DataOutputView out)

Methods inherited from class java.lang.Object

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

Constructor Detail

InputSplitWrapper

public InputSplitWrapper(JobID jobID,
                 InputSplit inputSplit)

Constructs a new input split wrapper.

Parameters:

jobID - the ID of the job the input split belongs to

inputSplit - the input split to be wrapped

InputSplitWrapper

public InputSplitWrapper()

Default constructor for serialization/deserialization.

Method Detail

write

public void write(DataOutputView out)
           throws IOException

Specified by:

write in interface IOReadableWritable

Throws:

IOException

read

public void read(DataInputView in)
          throws IOException

Specified by:

read in interface IOReadableWritable

Throws:

IOException

getInputSplit

public InputSplit getInputSplit()

Returns the wrapped input split. The wrapped input split may also be null in case no more input splits shall be consumed by the requesting task.

Returns:

the wrapped input split, possibly null