com.amazonaws.services.dynamodbv2.datamodeling.DynamoDBMarshaller Maven / Gradle / Ivy

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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 2011-2016 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;

/**
 * Marshaller interface for storing complex types in DynamoDB as Strings.
 * Implementors provide methods to transform instances of a class to and from
 * Strings.
 */
public interface DynamoDBMarshaller {

    /**
     * Turns an object of type T into its String representation.
     */
    public String marshall(T getterReturnResult);

    /**
     * Turns a String representation of an object of type T into an object.
     */
    public T unmarshall(Class clazz, String obj);
}