org.apache.flink.runtime.checkpoint

Class DefaultCompletedCheckpointStoreUtils

java.lang.Object

org.apache.flink.runtime.checkpoint.DefaultCompletedCheckpointStoreUtils

public class DefaultCompletedCheckpointStoreUtils
extends Object

Helper methods related to DefaultCompletedCheckpointStore.

Method Summary

Modifier and Type	Method and Description
static <R extends ResourceVersion<R>> Collection<CompletedCheckpoint>	retrieveCompletedCheckpoints(StateHandleStore<CompletedCheckpoint,R> checkpointStateHandleStore, CheckpointStoreUtil completedCheckpointStoreUtil) Fetch all completed checkpoints from an external store.

Methods inherited from class java.lang.Object

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

Method Detail

retrieveCompletedCheckpoints

public static <R extends ResourceVersion<R>> Collection<CompletedCheckpoint> retrieveCompletedCheckpoints(StateHandleStore<CompletedCheckpoint,R> checkpointStateHandleStore,
                                                                                                          CheckpointStoreUtil completedCheckpointStoreUtil)
                                                                                                   throws Exception

Fetch all completed checkpoints from an external store. This method is intended for retrieving an initial state of DefaultCompletedCheckpointStore.

Type Parameters:

R - Type of ResourceVersion

Parameters:

checkpointStateHandleStore - Completed checkpoints in external store.

completedCheckpointStoreUtil - Utilities for completed checkpoint store.

Returns:

Immutable collection of completed checkpoints.

Throws:

Exception - If we're not able to fetch checkpoints for some reason.