org.springframework.aop.interceptor Documentation Differences

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AOP Alliance MethodInterceptor that processes method invocations asynchronously, using a given org.springframework.core.task.AsyncTaskExecutor. Typically used with the org.springframework.contextscheduling.taskannotation.Async annotation.

In terms of target method signatures, any parameter types are supported. However, the return type is constrained to either void or java.util.concurrent.Future. In the latter case, the Future handle returned from the proxy will be an actual asynchronous Future that can be used to track the result of the asynchronous method execution. However, since the target method needs to implement the same signature, it will have to return a temporary Future handle that just passes the return value through (like Spring's org.springframework.scheduling.annotation.AsyncResult or EJB 3.1's javax.ejb.AsyncResult).

As of Spring 3.1.2 the {@code AnnotationAsyncExecutionInterceptor} subclass is preferred for use due to its support for executor qualification in conjunction with Spring's {@code @Async} annotation. @author Juergen Hoeller @author Chris Beams @since 3.0 @see org.springframework.scheduling.annotation.Async @see org.springframework.scheduling.annotation.AsyncAnnotationAdvisorAsyncAnnotationAdvisor @see org.springframework.scheduling.annotation.AnnotationAsyncExecutionInterceptor

Create a new {@code AsyncExecutionInterceptor}. @param asyncExecutorexecutor the java.util.concurrent Executor to delegate toExecutor (typically a Spring AsyncTaskExecutor or java.util.concurrent.ExecutorService) to delegate to.