software.amazon.awssdk.enhanced.dynamodb.extensions.annotations.DynamoDbAutoGeneratedUuid Maven / Gradle / Ivy

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/*
 * Copyright 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 software.amazon.awssdk.enhanced.dynamodb.extensions.annotations;

import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;
import java.util.UUID;
import software.amazon.awssdk.annotations.SdkPublicApi;
import software.amazon.awssdk.enhanced.dynamodb.internal.extensions.AutoGeneratedUuidTag;
import software.amazon.awssdk.enhanced.dynamodb.mapper.annotations.BeanTableSchemaAttributeTag;

/**
 * Denotes this attribute as recording the auto generated UUID string for the record. Every time a record with this
 * attribute is written to the database it will update the attribute with a {@link UUID#randomUUID} string.
 */
@SdkPublicApi
@Target(ElementType.METHOD)
@Retention(RetentionPolicy.RUNTIME)
@BeanTableSchemaAttributeTag(AutoGeneratedUuidTag.class)
public @interface DynamoDbAutoGeneratedUuid {
}