org.apache.flink.api.common.io

Class ReplicatingInputSplitAssigner

java.lang.Object

org.apache.flink.api.common.io.ReplicatingInputSplitAssigner

All Implemented Interfaces:

InputSplitAssigner

@Internal
public class ReplicatingInputSplitAssigner
extends Object
implements InputSplitAssigner

Assigns each InputSplit to each requesting parallel instance. This causes the input to be fully replicated, i.e., each parallel instance consumes the full input.

Constructor Summary

Constructors

Constructor and Description
ReplicatingInputSplitAssigner(Collection<InputSplit> splits)
ReplicatingInputSplitAssigner(InputSplit[] splits)

Method Summary

Modifier and Type	Method and Description
InputSplit	getNextInputSplit(String host, int taskId) Returns the next input split that shall be consumed.
void	returnInputSplit(List<InputSplit> splits, int taskId) Return the splits to assigner if the task failed to process it.

Methods inherited from class java.lang.Object

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

Constructor Detail

ReplicatingInputSplitAssigner

public ReplicatingInputSplitAssigner(Collection<InputSplit> splits)

ReplicatingInputSplitAssigner

public ReplicatingInputSplitAssigner(InputSplit[] splits)

Method Detail

getNextInputSplit

public InputSplit getNextInputSplit(String host,
                                    int taskId)

Description copied from interface: InputSplitAssigner

Returns the next input split that shall be consumed. The consumer's host is passed as a parameter to allow localized assignments.

Specified by:

getNextInputSplit in interface InputSplitAssigner

Parameters:

host - The host address of split requesting task.

taskId - The id of the split requesting task.

Returns:

the next input split to be consumed, or null if no more splits remain.

returnInputSplit

public void returnInputSplit(List<InputSplit> splits,
                             int taskId)

Description copied from interface: InputSplitAssigner

Return the splits to assigner if the task failed to process it.

Specified by:

returnInputSplit in interface InputSplitAssigner

Parameters:

splits - The list of input splits to be returned.

taskId - The id of the task that failed to process the input splits.