org.apache.flink.runtime.state

Class FullSnapshotAsyncWriter<K>

java.lang.Object

org.apache.flink.runtime.state.FullSnapshotAsyncWriter<K>

Type Parameters:

K - type of the backend keys.

All Implemented Interfaces:

SnapshotStrategy.SnapshotResultSupplier<KeyedStateHandle>

public class FullSnapshotAsyncWriter<K>
extends Object
implements SnapshotStrategy.SnapshotResultSupplier<KeyedStateHandle>

An asynchronous writer that can write a full snapshot/savepoint from a FullSnapshotResources.

Constructor Summary

Constructors

Constructor and Description
FullSnapshotAsyncWriter(SnapshotType snapshotType, org.apache.flink.util.function.SupplierWithException<CheckpointStreamWithResultProvider,Exception> checkpointStreamSupplier, FullSnapshotResources<K> snapshotResources)

Method Summary

Modifier and Type	Method and Description
SnapshotResult<KeyedStateHandle>	get(org.apache.flink.core.fs.CloseableRegistry snapshotCloseableRegistry) Performs the asynchronous part of a checkpoint and returns the snapshot result.

Methods inherited from class java.lang.Object

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

Constructor Detail

FullSnapshotAsyncWriter

public FullSnapshotAsyncWriter(@Nonnull
                               SnapshotType snapshotType,
                               @Nonnull
                               org.apache.flink.util.function.SupplierWithException<CheckpointStreamWithResultProvider,Exception> checkpointStreamSupplier,
                               @Nonnull
                               FullSnapshotResources<K> snapshotResources)

Method Detail

get

public SnapshotResult<KeyedStateHandle> get(org.apache.flink.core.fs.CloseableRegistry snapshotCloseableRegistry)
                                     throws Exception

Description copied from interface: SnapshotStrategy.SnapshotResultSupplier

Performs the asynchronous part of a checkpoint and returns the snapshot result.

Specified by:

get in interface SnapshotStrategy.SnapshotResultSupplier<KeyedStateHandle>

Parameters:

snapshotCloseableRegistry - A registry for io tasks to close on cancel.

Returns:

A snapshot result

Throws:

Exception