org.apache.flink.runtime.state.changelog

Interface StateChangelogStorageFactory

All Known Implementing Classes:

FsStateChangelogStorageFactory, InMemoryStateChangelogStorageFactory

@Internal
public interface StateChangelogStorageFactory

A factory for StateChangelogStorage. Please use StateChangelogStorageLoader to create StateChangelogStorage.

Method Summary

Modifier and Type	Method and Description
StateChangelogStorage<?>	createStorage(JobID jobID, Configuration configuration, TaskManagerJobMetricGroup metricGroup, LocalRecoveryConfig localRecoveryConfig) Create the storage based on a configuration.
StateChangelogStorageView<?>	createStorageView(Configuration configuration) Create the storage for recovery.
String	getIdentifier() Get the identifier for user to use this changelog storage factory.

Method Detail

getIdentifier

String getIdentifier()

Get the identifier for user to use this changelog storage factory.

createStorage

StateChangelogStorage<?> createStorage(JobID jobID,
                                       Configuration configuration,
                                       TaskManagerJobMetricGroup metricGroup,
                                       LocalRecoveryConfig localRecoveryConfig)
                                throws IOException

Create the storage based on a configuration.

Throws:

IOException

createStorageView

StateChangelogStorageView<?> createStorageView(Configuration configuration)
                                        throws IOException

Create the storage for recovery.

Throws:

IOException