Examples with MultiValueDeferred io.joynr.provider.MultiValueDeferred used on opensource projects

Example 1 with MultiValueDeferred

use of io.joynr.provider.MultiValueDeferred in project joynr by bmwcarit.

the class ProviderWrapper method createAndResolveOrRejectDeferred.

@SuppressWarnings("unchecked")
private AbstractDeferred createAndResolveOrRejectDeferred(Method method, Object result, JoynrException joynrException) {
    AbstractDeferred deferred;
    if (result == null && method.getReturnType().equals(Void.class)) {
        deferred = new DeferredVoid();
        if (joynrException == null) {
            ((DeferredVoid) deferred).resolve();
        }
    } else {
        if (result instanceof MultiReturnValuesContainer) {
            deferred = new MultiValueDeferred();
            if (joynrException == null) {
                ((MultiValueDeferred) deferred).resolve(((MultiReturnValuesContainer) result).getValues());
            }
        } else {
            deferred = new Deferred<Object>();
            if (joynrException == null) {
                ((Deferred<Object>) deferred).resolve(result);
            }
        }
    }
    if (joynrException != null) {
        LOG.debug("Provider method invocation resulted in provider runtime exception - rejecting the deferred {} with {}", deferred, joynrException);
        if (joynrException instanceof ApplicationException) {
            try {
                Method rejectMethod = AbstractDeferred.class.getDeclaredMethod("reject", new Class[] { JoynrException.class });
                rejectMethod.setAccessible(true);
                rejectMethod.invoke(deferred, new Object[] { joynrException });
            } catch (NoSuchMethodException | InvocationTargetException | IllegalAccessException e) {
                LOG.warn("Unable to set {} as rejection reason on {}. Wrapping in ProviderRuntimeException instead.", joynrException, deferred);
                deferred.reject(new ProviderRuntimeException(((ApplicationException) joynrException).getMessage()));
            }
        } else if (joynrException instanceof ProviderRuntimeException) {
            deferred.reject((ProviderRuntimeException) joynrException);
        }
    }
    return deferred;
}