com.amazonaws.services.s3.internal.CompleteMultipartUploadRetryCondition Maven / Gradle / Ivy

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The AWS SDK for Java with support for OSGi. The AWS SDK for Java provides Java APIs for building software on AWS' cost-effective, scalable, and reliable infrastructure products. The AWS Java SDK allows developers to code against APIs for all of Amazon's infrastructure web services (Amazon S3, Amazon EC2, Amazon SQS, Amazon Relational Database Service, Amazon AutoScaling, etc).

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/*
 * Copyright 2015-2016 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.services.s3.internal;

import com.amazonaws.AmazonClientException;
import com.amazonaws.AmazonWebServiceRequest;
import com.amazonaws.annotation.SdkTestInternalApi;
import com.amazonaws.internal.SdkPredicate;
import com.amazonaws.retry.RetryPolicy;
import com.amazonaws.services.s3.model.AmazonS3Exception;
import com.amazonaws.util.ValidationUtils;

public class CompleteMultipartUploadRetryCondition implements RetryPolicy.RetryCondition {

    private static final int MAX_RETRY_ATTEMPTS = 3;

    private final SdkPredicate
            completeMultipartRetryablePredicate;

    private final int maxCompleteMultipartUploadRetries;

    public CompleteMultipartUploadRetryCondition() {
        this(new CompleteMultipartUploadRetryablePredicate(), MAX_RETRY_ATTEMPTS);
    }

    /**
     * For testing purposes.
     */
    @SdkTestInternalApi
    CompleteMultipartUploadRetryCondition(SdkPredicate
                                                  predicate, int maxRetryAttempts) {
        ValidationUtils.assertNotNull(predicate, "sdk predicate");
        this.completeMultipartRetryablePredicate = predicate;
        this.maxCompleteMultipartUploadRetries = maxRetryAttempts;
    }

    @Override
    public boolean shouldRetry(AmazonWebServiceRequest originalRequest,
                               AmazonClientException exception, int retriesAttempted) {

        if (exception instanceof AmazonS3Exception) {
            return completeMultipartRetryablePredicate.test((AmazonS3Exception) exception)
                    && retriesAttempted < maxCompleteMultipartUploadRetries;
        }
        return false;
    }
}