Example usage for java.util.concurrent CompletionException CompletionException

Introduction

In this page you can find the example usage for java.util.concurrent CompletionException CompletionException.

Prototype

public CompletionException(Throwable cause)

Source Link

Document

Constructs a CompletionException with the specified cause.

Usage

From source file:org.springframework.aop.interceptor.AsyncExecutionAspectSupport.java

/**
 * Delegate for actually executing the given task with the chosen executor.
 * @param task the task to execute/* w  w w .  j  av a  2s  .c o  m*/
 * @param executor the chosen executor
 * @param returnType the declared return type (potentially a {@link Future} variant)
 * @return the execution result (potentially a corresponding {@link Future} handle)
 */
@Nullable
protected Object doSubmit(Callable<Object> task, AsyncTaskExecutor executor, Class<?> returnType) {
    if (CompletableFuture.class.isAssignableFrom(returnType)) {
        return CompletableFuture.supplyAsync(() -> {
            try {
                return task.call();
            } catch (Throwable ex) {
                throw new CompletionException(ex);
            }
        }, executor);
    } else if (ListenableFuture.class.isAssignableFrom(returnType)) {
        return ((AsyncListenableTaskExecutor) executor).submitListenable(task);
    } else if (Future.class.isAssignableFrom(returnType)) {
        return executor.submit(task);
    } else {
        executor.submit(task);
        return null;
    }
}