Java tutorial
/* * Copyright 2012-2019 Amazon.com, Inc. or its affiliates. All Rights Reserved. * * Licensed under the Apache License, Version 2.0 (the "License"). * You may not use this file except in compliance with the License. * A copy of the License is located at * * http://aws.amazon.com/apache2.0 * * or in the "license" file accompanying this file. This file is distributed * on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either * express or implied. See the License for the specific language governing * permissions and limitations under the License. */ package com.amazonaws.handlers; import com.amazonaws.AmazonWebServiceRequest; /** * Callback interface for notification on web service requests executed with the * asynchronous clients in the AWS SDK for Java. */ public interface AsyncHandler<REQUEST extends AmazonWebServiceRequest, RESULT> { /** * Invoked after an asynchronous request * @param exception */ public void onError(Exception exception); /** * Invoked after an asynchronous request has completed successfully. Callers * have access to the original request object and the returned response * object. * * @param request * The initial request created by the caller * @param result * The successful result of the executed operation. */ public void onSuccess(REQUEST request, RESULT result); }