Package org.apache.flink.runtime.scheduler.stopwithsavepoint

Class StopWithSavepointTerminationManager

java.lang.Object

org.apache.flink.runtime.scheduler.stopwithsavepoint.StopWithSavepointTerminationManager

public class StopWithSavepointTerminationManager
extends Object

StopWithSavepointTerminationManager fulfills the contract given by StopWithSavepointTerminationHandler to run the stop-with-savepoint steps in a specific order.

Constructor Summary

Constructors

Constructor	Description
StopWithSavepointTerminationManager(StopWithSavepointTerminationHandler stopWithSavepointTerminationHandler)

Method Summary

Modifier and Type	Method	Description
static void	checkSavepointActionPreconditions(CheckpointCoordinator checkpointCoordinator, String targetDirectory, JobID jobId, org.slf4j.Logger logger)
CompletableFuture<String>	stopWithSavepoint(CompletableFuture<CompletedCheckpoint> completedSavepointFuture, CompletableFuture<Collection<ExecutionState>> terminatedExecutionStatesFuture, ComponentMainThreadExecutor mainThreadExecutor)	Enforces the correct completion order of the passed CompletableFuture instances in accordance to the contract of StopWithSavepointTerminationHandler.

Methods inherited from class java.lang.Object

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

Constructor Detail

StopWithSavepointTerminationManager

public StopWithSavepointTerminationManager(StopWithSavepointTerminationHandler stopWithSavepointTerminationHandler)

Method Detail

stopWithSavepoint

public CompletableFuture<String> stopWithSavepoint(CompletableFuture<CompletedCheckpoint> completedSavepointFuture,
                                                   CompletableFuture<Collection<ExecutionState>> terminatedExecutionStatesFuture,
                                                   ComponentMainThreadExecutor mainThreadExecutor)

Enforces the correct completion order of the passed CompletableFuture instances in accordance to the contract of StopWithSavepointTerminationHandler.

Parameters:

completedSavepointFuture - The CompletableFuture of the savepoint creation step.

terminatedExecutionStatesFuture - The CompletableFuture of the termination step.

mainThreadExecutor - The executor the StopWithSavepointTerminationHandler operations run on.

Returns:

A CompletableFuture containing the path to the created savepoint.

checkSavepointActionPreconditions

public static void checkSavepointActionPreconditions(CheckpointCoordinator checkpointCoordinator,
                                                     @Nullable
                                                     String targetDirectory,
                                                     JobID jobId,
                                                     org.slf4j.Logger logger)