org.apache.flink.runtime.executiongraph

Class ExecutionGraphUtils

java.lang.Object

org.apache.flink.runtime.executiongraph.ExecutionGraphUtils

public class ExecutionGraphUtils
extends Object

Utilities for dealing with the execution graphs and scheduling.

Method Summary

Methods

Modifier and Type	Method and Description
static void	releaseAllSlotsSilently(List<ExecutionAndSlot[]> resources) Releases the all the slots in the list of arrays of ExecutionAndSlot.
static void	releaseSlotFuture(Future<SimpleSlot> slotFuture) Releases the slot represented by the given future.

Methods inherited from class java.lang.Object

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

Method Detail

releaseSlotFuture

public static void releaseSlotFuture(Future<SimpleSlot> slotFuture)

Releases the slot represented by the given future. If the future is complete, the slot is immediately released. Otherwise, the slot is released as soon as the future is completed.

Note that releasing the slot means cancelling any task execution currently associated with that slot.

Parameters:

slotFuture - The future for the slot to release.

releaseAllSlotsSilently

public static void releaseAllSlotsSilently(List<ExecutionAndSlot[]> resources)

Releases the all the slots in the list of arrays of ExecutionAndSlot. For each future in that collection holds: If the future is complete, its slot is immediately released. Otherwise, the slot is released as soon as the future is completed.

This methods never throws any exceptions (except for fatal exceptions) and continues to release the remaining slots if one slot release failed.

Note that releasing the slot means cancelling any task execution currently associated with that slot.

Parameters:

resources - The collection of ExecutionAndSlot whose slots should be released.