/*
* Copyright 2016-2017 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 com.amazonaws.services.dynamodbv2.model.KeyType;
import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;
/**
* Annotation for marking a property a key for a modeled class.
*
* <pre class="brush: java">
* @DynamoDBKeyed(KeyType.HASH)
* public UUID getKey()
* </pre>
*
* <p>Alternately, the short-formed {@link DynamoDBHashKey}, and
* {@link DynamoDBRangeKey} may be used directly on the field/getter.</p>
*
* <p>May be used as a meta-annotation.</p>
*/
@DynamoDB
@Retention(RetentionPolicy.RUNTIME)
@Target({ElementType.FIELD, ElementType.METHOD, ElementType.ANNOTATION_TYPE})
public @interface DynamoDBKeyed {
/**
* The primary key type; either {@code HASH} or {@code RANGE}.
*/
KeyType value();
}