com.amazonaws.services.dynamodbv2.datamodeling.marshallers.NumberToNumberMarshaller Maven / Gradle / Ivy

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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 2014-2016 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.marshallers;

import com.amazonaws.services.dynamodbv2.datamodeling.ArgumentMarshaller.NumberAttributeMarshaller;
import com.amazonaws.services.dynamodbv2.model.AttributeValue;

/**
 * A marshaller that marshals any Java {@code Number} to a DynamoDB number.
 */
public class NumberToNumberMarshaller implements NumberAttributeMarshaller {

    private static final NumberToNumberMarshaller INSTANCE =
            new NumberToNumberMarshaller();

    public static NumberToNumberMarshaller instance() {
        return INSTANCE;
    }

    private NumberToNumberMarshaller() {
    }

    @Override
    public AttributeValue marshall(Object obj) {
        Number number = (Number) obj;
        return new AttributeValue().withN(number.toString());
    }
}