Package fish.payara.nucleus.exec

Class ClusterExecutionService

java.lang.Object

fish.payara.nucleus.exec.ClusterExecutionService

All Implemented Interfaces:

EventListener

@Service(name="payara-cluster-executor")
@RunLevel(10)
public class ClusterExecutionService
extends Object
implements EventListener

Execution Service for running Callables across the Payara Cluster also enables Scheduling of Callables to run on the cluster.

Author:

steve

Nested Class Summary

Nested classes/interfaces inherited from interface org.glassfish.api.event.EventListener

EventListener.Event<T>

Constructor Summary

Constructors

Constructor	Description
ClusterExecutionService()

Method Summary

Modifier and Type	Method	Description
void	event(EventListener.Event event)	Process a Glassfish/Payara event
void	postConstruct()
<T extends Serializable> Future<T>	runCallable(String memberUUID, Callable<T> callable)	Runs a Callable object on the specified Member
<T extends Serializable> Map<UUID,Future<T>>	runCallable(Collection<UUID> memberUUIDS, Callable<T> callable)	Runs a Callable object on a set of members
<T extends Serializable> Future<T>	runCallable(Callable<T> callable)	Runs a Callable object
<T extends Serializable> Map<UUID,Future<T>>	runCallableAllMembers(Callable<T> callable)	Runs a Callable on All members of the cluster
<V extends Serializable> ScheduledTaskFuture<V>	schedule(String memberUUID, Callable<V> callable, long delay, TimeUnit unit)	Schedules a Callable object to be run in the future on the specified Member
<V extends Serializable> Map<UUID,ScheduledTaskFuture<V>>	schedule(Collection<UUID> memberUUIDs, Callable<V> callable, long delay, TimeUnit unit)	Schedules a Callable object to be run in the future on the specified Member
<V extends Serializable> ScheduledTaskFuture<V>	schedule(Callable<V> callable, long delay, TimeUnit unit)	Schedules a Callable object to be run in the future
ScheduledTaskFuture<? extends Serializable>	scheduleAtFixedRate(Runnable runnable, long delay, long period, TimeUnit unit)	Schedules a Callable object to be run in the future
ScheduledTaskFuture<?>	scheduleAtFixedRate(String memberUUID, Runnable runnable, long delay, long period, TimeUnit unit)	Schedules a Callable object to be run in the future on the specified Member
Map<UUID,ScheduledTaskFuture<?>>	scheduleAtFixedRate(Collection<UUID> memberUUIDs, Runnable runnable, long delay, long period, TimeUnit unit)	Schedules a Callable object to be run in the future on the specified Member

Methods inherited from class java.lang.Object

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

Constructor Detail

ClusterExecutionService

public ClusterExecutionService()

Method Detail

postConstruct

@PostConstruct
public void postConstruct()

runCallable

public <T extends Serializable> Future<T> runCallable(Callable<T> callable)

Runs a Callable object

Type Parameters:

T - Type of the Callable Result

Parameters:

callable - The Callable object

Returns:

Future for the result

runCallable

public <T extends Serializable> Future<T> runCallable(String memberUUID,
                                                      Callable<T> callable)

Runs a Callable object on the specified Member

Type Parameters:

T - Type of the Callable Result

Parameters:

memberUUID - The member to run the Callable on

callable - The Callable object

Returns:

Future for the result

runCallable

public <T extends Serializable> Map<UUID,Future<T>> runCallable(Collection<UUID> memberUUIDS,
                                                                      Callable<T> callable)

Runs a Callable object on a set of members

Type Parameters:

T - The type of the Callable result

Parameters:

memberUUIDS - A set of members to run the Callables on

callable - The Callable to run

Returns:

A map of Futures keyed by Member UUID

runCallableAllMembers

public <T extends Serializable> Map<UUID,Future<T>> runCallableAllMembers(Callable<T> callable)

Runs a Callable on All members of the cluster

Type Parameters:

T - The result of the Callable

Parameters:

callable - The Callable to run

Returns:

A Map of Future results keyed by member UUID

schedule

public <V extends Serializable> ScheduledTaskFuture<V> schedule(Callable<V> callable,
                                                                long delay,
                                                                TimeUnit unit)

Schedules a Callable object to be run in the future

Type Parameters:

V - The type of the result

Parameters:

callable - The Callable Object

delay - The delay before running the task

unit - The time unit of the delay

Returns:

A Future containing the result

schedule

public <V extends Serializable> ScheduledTaskFuture<V> schedule(String memberUUID,
                                                                Callable<V> callable,
                                                                long delay,
                                                                TimeUnit unit)

Schedules a Callable object to be run in the future on the specified Member

Type Parameters:

V - The type of the result

Parameters:

memberUUID - The member to schedule the task on

callable - The Callable Object

delay - The delay before running the task

unit - The time unit of the delay

Returns:

A Future containing the result

schedule

public <V extends Serializable> Map<UUID,ScheduledTaskFuture<V>> schedule(Collection<UUID> memberUUIDs,
                                                                                Callable<V> callable,
                                                                                long delay,
                                                                                TimeUnit unit)

Schedules a Callable object to be run in the future on the specified Member

Type Parameters:

V - The type of the result

Parameters:

memberUUIDs - The members to schedule the task on

callable - The Callable Object

delay - The delay before running the task

unit - The time unit of the delay

Returns:

A Future containing the result

scheduleAtFixedRate

public ScheduledTaskFuture<? extends Serializable> scheduleAtFixedRate(Runnable runnable,
                                                                       long delay,
                                                                       long period,
                                                                       TimeUnit unit)

Schedules a Callable object to be run in the future

Parameters:

runnable - The Runnable Object

delay - The delay before running the task

period - The period for the fixed rate

unit - The time unit of the delay

Returns:

A Future containing the result

scheduleAtFixedRate

public ScheduledTaskFuture<?> scheduleAtFixedRate(String memberUUID,
                                                  Runnable runnable,
                                                  long delay,
                                                  long period,
                                                  TimeUnit unit)

Schedules a Callable object to be run in the future on the specified Member

Parameters:

memberUUID - The member to schedule the task on

runnable - The Runnable Object

delay - The delay before running the task

period - The period for the fixed rate

unit - The time unit of the delay

Returns:

A Future containing the result

scheduleAtFixedRate

public Map<UUID,ScheduledTaskFuture<?>> scheduleAtFixedRate(Collection<UUID> memberUUIDs,
                                                                  Runnable runnable,
                                                                  long delay,
                                                                  long period,
                                                                  TimeUnit unit)

Schedules a Callable object to be run in the future on the specified Member

Parameters:

memberUUIDs - The members to schedule the task on

runnable - The Runnable Object

delay - The delay before running the task

period - The period of the fixed rate

unit - The time unit of the delay

Returns:

A Future containing the result

event

public void event(EventListener.Event event)

Description copied from interface: EventListener

Process a Glassfish/Payara event

Specified by:

event in interface EventListener