Package org.apache.flink.runtime.instance

Interface Summary

Interface	Description
ActorGateway	Interface to abstract the communication with an actor.
InstanceListener	Classes implementing the InstanceListener interface can be notified about the availability disappearance of instances.
SlotPoolGateway	The gateway for calls on the SlotPool.
SlotProvider	The slot provider is responsible for preparing slots for ready-to-run tasks.

Class Summary

Class	Description
AkkaActorGateway	Concrete ActorGateway implementation which uses Akka to communicate with remote actors.
HardwareDescription	A hardware description describes the resources available to a task manager.
Instance	An instance represents a TaskManager registered at a JobManager and ready to receive work.
InstanceID	Class for statistically unique instance IDs.
InstanceManager	Simple manager that keeps track of which TaskManager are available and alive.
SharedSlot	This class represents a shared slot.
SimpleSlot	A SimpleSlot represents a single slot on a TaskManager instance, or a slot within a shared slot.
Slot	Base class for slots that the Scheduler / ExecutionGraph take from the SlotPool and use to place tasks to execute into.
SlotPool	The slot pool serves slot request issued by Scheduler or ExecutionGraph.
SlotSharingGroupAssignment	The SlotSharingGroupAssignment manages a set of shared slots, which are shared between tasks of a SlotSharingGroup.

Exception Summary

Exception	Description
InstanceDiedException	A special instance signaling that an attempted operation on an instance is not possible, because the instance has died.