程序包 cn.taketoday.web.handler.result

类 DeferredResultReturnValueHandler

java.lang.Object

cn.taketoday.web.handler.result.DeferredResultReturnValueHandler

所有已实现的接口:

HandlerMethodReturnValueHandler, ReturnValueHandler

public class DeferredResultReturnValueHandler
extends Object
implements HandlerMethodReturnValueHandler

ReturnValueHandler for DeferredResult and ListenableFuture and CompletionStage

从以下版本开始:

4.0 2022/3/30 22:25

作者:

Harry Yang

字段概要

从接口继承的字段 cn.taketoday.web.ReturnValueHandler

NONE_RETURN_VALUE

构造器概要

构造器

构造器	说明
DeferredResultReturnValueHandler()

方法概要

修饰符和类型	方法	说明
private DeferredResult<Object>	adaptCompletionStage(CompletionStage<?> future)
private DeferredResult<Object>	adaptListenableFuture(cn.taketoday.util.concurrent.ListenableFuture<?> future)
void	handleReturnValue(RequestContext context, Object handler, Object returnValue)	Handle result of the handler
boolean	supportsHandlerMethod(HandlerMethod handler)	Whether the given method is supported by this handler.
boolean	supportsReturnValue(Object returnValue)	If this ReturnValueHandler supports the target handler's result

从类继承的方法 java.lang.Object

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

从接口继承的方法 cn.taketoday.web.handler.result.HandlerMethodReturnValueHandler

handleHandlerMethodReturnValue, supportsHandler

构造器详细资料

DeferredResultReturnValueHandler

public DeferredResultReturnValueHandler()

方法详细资料

supportsHandlerMethod

public boolean supportsHandlerMethod(HandlerMethod handler)

从接口复制的说明: HandlerMethodReturnValueHandler

Whether the given method is supported by this handler.

指定者:

supportsHandlerMethod 在接口中 HandlerMethodReturnValueHandler

返回:

true if this handler supports the supplied return type; false otherwise

另请参阅:

• HandlerMethod

supportsReturnValue

public boolean supportsReturnValue(@Nullable
 Object returnValue)

从接口复制的说明: ReturnValueHandler

If this ReturnValueHandler supports the target handler's result

This method can test this ReturnValueHandler supports the target handler in application runtime

指定者:

supportsReturnValue 在接口中 ReturnValueHandler

参数:

returnValue - Target handler's return-value or result

返回:

If this ReturnValueHandler supports the target handler's result

handleReturnValue

public void handleReturnValue(RequestContext context,
 Object handler,
 @Nullable
 Object returnValue)
                       throws Exception

从接口复制的说明: HandlerMethodReturnValueHandler

Handle result of the handler

指定者:

handleReturnValue 在接口中 HandlerMethodReturnValueHandler

指定者:

handleReturnValue 在接口中 ReturnValueHandler

参数:

context - Current HTTP request context

handler - handler may be HandlerMethod

returnValue - Handler execution result Or HandlerExceptionHandler return value

抛出:

Exception - return-value handled failed

adaptListenableFuture

private DeferredResult<Object> adaptListenableFuture(cn.taketoday.util.concurrent.ListenableFuture<?> future)

adaptCompletionStage

private DeferredResult<Object> adaptCompletionStage(CompletionStage<?> future)