org.apache.flink.runtime.zookeeper.filesystem

Class FileSystemStateStorageHelper<T extends Serializable>

java.lang.Object

org.apache.flink.runtime.zookeeper.filesystem.FileSystemStateStorageHelper<T>

Type Parameters:

T -

All Implemented Interfaces:

StateStorageHelper<T>

public class FileSystemStateStorageHelper<T extends Serializable>
extends Object
implements StateStorageHelper<T>

StateStorageHelper implementation which stores the state in the given filesystem path.

Constructor Summary

Constructors

Constructor and Description
FileSystemStateStorageHelper(org.apache.flink.core.fs.Path rootPath, String prefix)
FileSystemStateStorageHelper(String rootPath, String prefix)

Method Summary

Modifier and Type	Method and Description
StateHandle<T>	store(T state) Stores the given state and returns a state handle to it.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

FileSystemStateStorageHelper

public FileSystemStateStorageHelper(String rootPath,
                                    String prefix)
                             throws IOException

Throws:

IOException

FileSystemStateStorageHelper

public FileSystemStateStorageHelper(org.apache.flink.core.fs.Path rootPath,
                                    String prefix)
                             throws IOException

Throws:

IOException

Method Detail

store

public StateHandle<T> store(T state)
                     throws Exception

Description copied from interface: StateStorageHelper

Stores the given state and returns a state handle to it.

Specified by:

store in interface StateStorageHelper<T extends Serializable>

Parameters:

state - State to be stored

Returns:

State handle to the stored state

Throws:

Exception