Example usage for org.springframework.web.context.request.async DeferredResultProcessingInterceptor DeferredResultProcessingInterceptor

Introduction

In this page you can find the example usage for org.springframework.web.context.request.async DeferredResultProcessingInterceptor DeferredResultProcessingInterceptor.

Prototype

DeferredResultProcessingInterceptor

Source Link

Usage

From source file:org.springframework.web.context.request.async.DeferredResult.java

final DeferredResultProcessingInterceptor getInterceptor() {
    return new DeferredResultProcessingInterceptor() {
        @Override/*  w  ww  .j av  a2  s  .  c  o m*/
        public <S> boolean handleTimeout(NativeWebRequest request, DeferredResult<S> deferredResult) {
            boolean continueProcessing = true;
            try {
                if (timeoutCallback != null) {
                    timeoutCallback.run();
                }
            } finally {
                if (timeoutResult != RESULT_NONE) {
                    continueProcessing = false;
                    try {
                        setResultInternal(timeoutResult);
                    } catch (Throwable ex) {
                        logger.debug("Failed to handle timeout result", ex);
                    }
                }
            }
            return continueProcessing;
        }

        @Override
        public <S> boolean handleError(NativeWebRequest request, DeferredResult<S> deferredResult,
                Throwable t) {
            try {
                if (errorCallback != null) {
                    errorCallback.accept(t);
                }
            } finally {
                try {
                    setResultInternal(t);
                } catch (Throwable ex) {
                    logger.debug("Failed to handle error result", ex);
                }
            }
            return false;
        }

        @Override
        public <S> void afterCompletion(NativeWebRequest request, DeferredResult<S> deferredResult) {
            expired = true;
            if (completionCallback != null) {
                completionCallback.run();
            }
        }
    };
}

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