Package org.apache.flink.runtime.state

Interface StateSnapshotContext

All Superinterfaces:

FunctionSnapshotContext, ManagedSnapshotContext

All Known Implementing Classes:

StateSnapshotContextSynchronousImpl

@PublicEvolving
public interface StateSnapshotContext
extends FunctionSnapshotContext

This interface provides a context in which operators that use managed (i.e. state that is managed by state backends) or raw (i.e. the operator can write it's state streams) state can perform a snapshot.

Method Summary

Modifier and Type	Method	Description
KeyedStateCheckpointOutputStream	getRawKeyedOperatorStateOutput()	Returns an output stream for keyed state
OperatorStateCheckpointOutputStream	getRawOperatorStateOutput()	Returns an output stream for operator state

Methods inherited from interface org.apache.flink.runtime.state.ManagedSnapshotContext

getCheckpointId, getCheckpointTimestamp

Method Details

getRawKeyedOperatorStateOutput

KeyedStateCheckpointOutputStream getRawKeyedOperatorStateOutput()
                                                         throws Exception

Returns an output stream for keyed state

Throws:

Exception

getRawOperatorStateOutput

OperatorStateCheckpointOutputStream getRawOperatorStateOutput()
                                                       throws Exception

Returns an output stream for operator state

Throws:

Exception