org.apache.flink.runtime.taskexecutor.slot

Enum NoOpSlotAllocationSnapshotPersistenceService

java.lang.Object

java.lang.Enum<NoOpSlotAllocationSnapshotPersistenceService>

org.apache.flink.runtime.taskexecutor.slot.NoOpSlotAllocationSnapshotPersistenceService

All Implemented Interfaces:

Serializable, Comparable<NoOpSlotAllocationSnapshotPersistenceService>, SlotAllocationSnapshotPersistenceService

public enum NoOpSlotAllocationSnapshotPersistenceService
extends Enum<NoOpSlotAllocationSnapshotPersistenceService>
implements SlotAllocationSnapshotPersistenceService

SlotAllocationSnapshotPersistenceService that does nothing.

Enum Constant Summary

Enum Constants

Enum Constant and Description
INSTANCE

Method Summary

Modifier and Type	Method and Description
void	deleteAllocationSnapshot(int slotIndex) Delete the slot allocation snapshot identified by the slot index.
Collection<SlotAllocationSnapshot>	loadAllocationSnapshots() Load all persisted slot allocation snapshots.
void	persistAllocationSnapshot(SlotAllocationSnapshot slotAllocationSnapshot) Persist the given slot allocation snapshot.
static NoOpSlotAllocationSnapshotPersistenceService	valueOf(String name) Returns the enum constant of this type with the specified name.
static NoOpSlotAllocationSnapshotPersistenceService[]	values() Returns an array containing the constants of this enum type, in the order they are declared.

Methods inherited from class java.lang.Enum

clone, compareTo, equals, finalize, getDeclaringClass, hashCode, name, ordinal, toString, valueOf

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Enum Constant Detail

INSTANCE

public static final NoOpSlotAllocationSnapshotPersistenceService INSTANCE

Method Detail

values

public static NoOpSlotAllocationSnapshotPersistenceService[] values()

Returns an array containing the constants of this enum type, in the order they are declared. This method may be used to iterate over the constants as follows:

for (NoOpSlotAllocationSnapshotPersistenceService c : NoOpSlotAllocationSnapshotPersistenceService.values())
    System.out.println(c);

Returns:

an array containing the constants of this enum type, in the order they are declared

valueOf

public static NoOpSlotAllocationSnapshotPersistenceService valueOf(String name)

Returns the enum constant of this type with the specified name. The string must match exactly an identifier used to declare an enum constant in this type. (Extraneous whitespace characters are not permitted.)

Parameters:

name - the name of the enum constant to be returned.

Returns:

the enum constant with the specified name

Throws:

IllegalArgumentException - if this enum type has no constant with the specified name

NullPointerException - if the argument is null

persistAllocationSnapshot

public void persistAllocationSnapshot(SlotAllocationSnapshot slotAllocationSnapshot)
                               throws IOException

Description copied from interface: SlotAllocationSnapshotPersistenceService

Persist the given slot allocation snapshot.

Specified by:

persistAllocationSnapshot in interface SlotAllocationSnapshotPersistenceService

Parameters:

slotAllocationSnapshot - slot allocation snapshot to persist

Throws:

IOException - if the slot allocation snapshot cannot be persisted

deleteAllocationSnapshot

public void deleteAllocationSnapshot(int slotIndex)

Description copied from interface: SlotAllocationSnapshotPersistenceService

Delete the slot allocation snapshot identified by the slot index.

Specified by:

deleteAllocationSnapshot in interface SlotAllocationSnapshotPersistenceService

Parameters:

slotIndex - identifying the slot allocation snapshot to delete

loadAllocationSnapshots

public Collection<SlotAllocationSnapshot> loadAllocationSnapshots()

Description copied from interface: SlotAllocationSnapshotPersistenceService

Load all persisted slot allocation snapshots.

Specified by:

loadAllocationSnapshots in interface SlotAllocationSnapshotPersistenceService

Returns:

loaded slot allocations snapshots