com.amazonaws.util.IdempotentUtils Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of aws-java-sdk-osgi Show documentation

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).

There is a newer version: 1.11.60

Show newest version

/*
 * Copyright (c) 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.util;

import java.util.UUID;
import com.amazonaws.annotation.SdkProtectedApi;

/**
 * Utility class to manage idempotency token
 */
@SdkProtectedApi
public final class IdempotentUtils {
    /**
     * This method is intended for internal use only.
     * if input token is null, create and return a new unique token.
     * Otherwise return the existing token.
     * @param token
     * @return if input token is not null, return the same. Else return new token.
     */
    public static String resolveString(String token) {
        return token != null ? token : UUID.randomUUID().toString();
    }
}