org.apache.flink.runtime.state

Interface StateBackendFactory<T extends AbstractStateBackend>

Type Parameters:

T - The type of the state backend created.

All Known Implementing Classes:

FsStateBackendFactory

public interface StateBackendFactory<T extends AbstractStateBackend>

A factory to create a specific state backend. The state backend creation gets a Configuration object that can be used to read further config values.

Method Summary

Modifier and Type	Method and Description
AbstractStateBackend	createFromConfig(org.apache.flink.configuration.Configuration config) Creates the state backend, optionally using the given configuration.

Method Detail

createFromConfig

AbstractStateBackend createFromConfig(org.apache.flink.configuration.Configuration config)
                               throws Exception

Creates the state backend, optionally using the given configuration.

Parameters:

config - The Flink configuration (loaded by the TaskManager).

Returns:

The created state backend.

Throws:

Exception - Exceptions during instantiation can be forwarded.