protected AbstractKeyedStateBackend <TKey> CreateKeyedBackend <TKey>(
TypeSerializer <TKey> keySerializer,
int numberOfKeyGroups,
KeyGroupRange keyGroupRange,
IEnvironment env) => StateBackend.CreateKeyedStateBackend(
env,
new JobId(),
"test_op",
keySerializer,
numberOfKeyGroups,
keyGroupRange,
env.TaskKvStateRegistry,
TtlTimeProvider.Default,
new UnRegisteredMetricsGroup(),
new List <IKeyedStateHandle>(),
new CloseableRegistry());
protected ICheckpointStreamFactory CreateStreamFactory() => _checkpointStreamFactory ?? StateBackend
.CreateCheckpointStorage(new JobId())
.ResolveCheckpointStorageLocation(1L,
CheckpointStorageLocationReference.Default);
