org.wildfly.clustering.service.concurrent

Class StampedLockServiceExecutor

java.lang.Object

org.wildfly.clustering.service.concurrent.StampedLockServiceExecutor

All Implemented Interfaces:

Executor, ServiceExecutor

public class StampedLockServiceExecutor
extends Object
implements ServiceExecutor

ServiceExecutor implemented via a StampedLock.

Author:

Paul Ferraro

Constructor Summary

Constructors

Constructor and Description
StampedLockServiceExecutor()

Method Summary

Modifier and Type	Method and Description
void	close(Runnable closeTask) Closes the service, executing the specified task, first waiting for any concurrent executions to complete.
<E extends Exception> void	execute(org.wildfly.common.function.ExceptionRunnable<E> executeTask) Executes the specified runner.
<R,E extends Exception> Optional<R>	execute(org.wildfly.common.function.ExceptionSupplier<R,E> executeTask) Executes the specified task, but only if the service was not already closed.
void	execute(Runnable executeTask)
<R> Optional<R>	execute(Supplier<R> executeTask) Executes the specified task, but only if the service was not already closed.

Methods inherited from class java.lang.Object

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

Constructor Detail

StampedLockServiceExecutor

public StampedLockServiceExecutor()

Method Detail

execute

public void execute(Runnable executeTask)

Specified by:

execute in interface Executor

execute

public <E extends Exception> void execute(org.wildfly.common.function.ExceptionRunnable<E> executeTask)
                                   throws E extends Exception

Description copied from interface: Executor

Executes the specified runner.

Type Parameters:

E - the exception type

Parameters:

executeTask - a runnable task

Throws:

E - if execution fails

E extends Exception

execute

public <R> Optional<R> execute(Supplier<R> executeTask)

Description copied from interface: ServiceExecutor

Executes the specified task, but only if the service was not already closed. If service is already closed, the task is not run. If executed, the specified task must return a non-null value, to be distinguishable from a non-execution.

Specified by:

execute in interface ServiceExecutor

Parameters:

executeTask - a task to execute

Returns:

an optional value that is present only if the specified task was run.

execute

public <R,E extends Exception> Optional<R> execute(org.wildfly.common.function.ExceptionSupplier<R,E> executeTask)
                                            throws E extends Exception

Description copied from interface: ServiceExecutor

Executes the specified task, but only if the service was not already closed. If service is already closed, the task is not run. If executed, the specified task must return a non-null value, to be distinguishable from a non-execution.

Specified by:

execute in interface ServiceExecutor

Parameters:

executeTask - a task to execute

Returns:

an optional value that is present only if the specified task was run.

Throws:

E - if the task execution failed

E extends Exception

close

public void close(Runnable closeTask)

Description copied from interface: ServiceExecutor

Closes the service, executing the specified task, first waiting for any concurrent executions to complete. The specified task will only execute once, irrespective on subsequent ServiceExecutor.close(Runnable) invocations.

Specified by:

close in interface ServiceExecutor

Parameters:

closeTask - a task which closes the service