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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 2016-2016 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.
 * You may obtain a copy of the License at:
 *
 *    http://aws.amazon.com/apache2.0
 *
 * 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.dynamodbv2.datamodeling;

/**
 * Generator interface for generating attribute values.
 *
 * Use in combination with {@link DynamoDBAutoGenerated}.
 *
 * @param  The object's field/property value type.
 *
 * @see com.amazonaws.services.dynamodbv2.datamodeling.DynamoDBAutoGenerated
 */
public interface DynamoDBAutoGenerator {

    /**
     * Gets the auto-generate strategy.
     */
    public DynamoDBAutoGenerateStrategy getGenerateStrategy();

    /**
     * Generates a new value given the current value (or null) if applicable.
     */
    public T generate(T currentValue);

}




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