package org.frameworkset.schedule;
import java.util.concurrent.Callable;
import java.util.concurrent.Future;
public interface AsyncTaskExecutor extends TaskExecutor {
/** Constant that indicates immediate execution */
long TIMEOUT_IMMEDIATE = 0;
/** Constant that indicates no time limit */
long TIMEOUT_INDEFINITE = Long.MAX_VALUE;
/**
* Execute the given {@code task}.
* @param task the {@code Runnable} to execute (never {@code null})
* @param startTimeout the time duration (milliseconds) within which the task is
* supposed to start. This is intended as a hint to the executor, allowing for
* preferred handling of immediate tasks. Typical values are {@link #TIMEOUT_IMMEDIATE}
* or {@link #TIMEOUT_INDEFINITE} (the default as used by {@link #execute(Runnable)}).
* @throws TaskTimeoutException in case of the task being rejected because
* of the timeout (i.e. it cannot be started in time)
* @throws TaskRejectedException if the given task was not accepted
*/
void execute(Runnable task, long startTimeout);
/**
* Submit a Runnable task for execution, receiving a Future representing that task.
* The Future will return a {@code null} result upon completion.
* @param task the {@code Runnable} to execute (never {@code null})
* @return a Future representing pending completion of the task
* @throws TaskRejectedException if the given task was not accepted
* @since 3.0
*/
Future<?> submit(Runnable task);
/**
* Submit a Callable task for execution, receiving a Future representing that task.
* The Future will return the Callable's result upon completion.
* @param task the {@code Callable} to execute (never {@code null})
* @return a Future representing pending completion of the task
* @throws TaskRejectedException if the given task was not accepted
* @since 3.0
*/
<T> Future<T> submit(Callable<T> task);
}