Class TimeboxedExecutor

java.lang.Object

io.fluxzero.common.TimeboxedExecutor

All Implemented Interfaces:

AutoCloseable

public final class TimeboxedExecutor
extends Object
implements AutoCloseable

Utility for running tasks with a maximum execution duration.

If a task does not complete within the configured duration, it is cancelled using interruption.

By default, the executor depends on the runtime version:

• Java 25 or newer: virtual thread-per-task executor
• Older Java versions: cached thread pool

Constructor Summary

Constructors

Constructor	Description
TimeboxedExecutor()

Method Summary

Modifier and Type	Method	Description
<T> T	callAndWait(@NonNull Callable<T> task, Duration maxDuration)	Executes the given task within the specified maximum duration.
<T> T	callAndWait(Callable<T> task, Duration maxDuration, Supplier<? extends T> fallback)	Executes the given task within the specified maximum duration.
void	close()
boolean	runAndWait(ThrowingRunnable task, Duration maxDuration)	Executes the given task and waits for completion up to the given maximum duration.

Methods inherited from class Object

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

Constructor Details

TimeboxedExecutor

public TimeboxedExecutor()

Method Details

runAndWait

public boolean runAndWait(ThrowingRunnable task,
 Duration maxDuration)

Executes the given task and waits for completion up to the given maximum duration.

Parameters:

task - the task to execute

maxDuration - the maximum duration to wait

Returns:

true if the task completed in time, false if it timed out

callAndWait

public <T> T callAndWait(Callable<T> task,
 Duration maxDuration,
 Supplier<? extends T> fallback)

Executes the given task within the specified maximum duration. If the task times out, the fallback value is returned.

Type Parameters:

T - the task result type

Parameters:

task - the task to execute

maxDuration - the maximum duration to wait

fallback - supplies the fallback value in case of timeout

Returns:

the task result, or the fallback result if the task timed out

callAndWait

public <T> T callAndWait(@NonNull
 @NonNull Callable<T> task,
 Duration maxDuration)
                  throws TimeoutException

Executes the given task within the specified maximum duration.

Type Parameters:

T - the task result type

Parameters:

task - the task to execute

maxDuration - the maximum duration to wait

Returns:

the task result

Throws:

TimeoutException - if the task does not complete within the given duration

close

public void close()

Specified by:

close in interface AutoCloseable