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The AWS Java SDK for Amazon DynamoDB module holds the client classes that are used for communicating with Amazon DynamoDB Service

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/*
 * Copyright 2016-2021 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;

import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;

/**
 * Annotation for flattening a complex type.
 *
 * 
 * @DynamoDBFlattened(attributes={
 *     @DynamoDBAttribute(mappedBy="start", attributeName="effectiveStartDate"),
 *     @DynamoDBAttribute(mappedBy="end", attributeName="effectiveEndDate")})
 * public DateRange getEffectiveRange() { return effectiveRange; }
 * public void setEffectiveRange(DateRange effectiveRange) { this.effectiveRange = effectiveRange; }
 *
 * @DynamoDBFlattened(attributes={
 *     @DynamoDBAttribute(mappedBy="start", attributeName="extensionStartDate"),
 *     @DynamoDBAttribute(mappedBy="end", attributeName="extensionEndDate")})
 * public DateRange getExtensionRange() { return extensionRange; }
 * public void setExtensionRange(DateRange extensionRange) { this.extensionRange = extensionRange; }
 * 
* *

Where,

*
 * public class DateRange {
 *     private Date start;
 *     private Date end;
 *
 *     public Date getStart() { return start; }
 *     public void setStart(Date start) { this.start = start; }
 *
 *     public Date getEnd() { return end; }
 *     public void setEnd(Date end) { this.end = end; }
 * }
 * 
* *

Attributes defined within the complex type may also be annotated.

* *

May be used as a meta-annotation.

*/ @DynamoDB @Retention(RetentionPolicy.RUNTIME) @Target({ElementType.TYPE, ElementType.FIELD, ElementType.METHOD, ElementType.ANNOTATION_TYPE}) public @interface DynamoDBFlattened { /** * Indicates the attributes that should be flattened. */ DynamoDBAttribute[] attributes() default {}; }




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