org.apache.beam.runners.flink.translation.wrappers.streaming.state

Interface KeyGroupRestoringOperator

All Known Subinterfaces:

KeyGroupCheckpointedOperator

public interface KeyGroupRestoringOperator

This interface is used to restore key-groups state.

Method Summary

Modifier and Type	Method and Description
void	restoreKeyGroupState(int keyGroupIndex, java.io.DataInputStream in) Restore the state for a given keyGroupIndex.

Method Detail

restoreKeyGroupState

void restoreKeyGroupState(int keyGroupIndex,
                          java.io.DataInputStream in)
                   throws java.lang.Exception

Restore the state for a given keyGroupIndex.

Parameters:

keyGroupIndex - the id of the key-group to be put in the snapshot.

in - the stream to read from.

Throws:

java.lang.Exception