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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 2014-2018 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 com.amazonaws.services.dynamodbv2.document.utils;

import java.math.BigDecimal;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.LinkedHashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;

import com.amazonaws.services.dynamodbv2.document.internal.InternalUtils;
import com.amazonaws.services.dynamodbv2.document.internal.ItemValueConformer;
import com.amazonaws.util.json.Jackson;


/**
 * Utility class for value maps.
 */
public class ValueMap extends FluentHashMap {
    private static final long serialVersionUID = 1L;
    private static final ItemValueConformer valueConformer = new ItemValueConformer();

    /**
     * Sets the value of the specified key in the current ValueMap to the
     * given value.
     */
    public ValueMap withString(String key, String val) {
        super.put(key, val);
        return this;
    }

    /**
     * Sets the value of the specified key in the current ValueMap to the
     * given value.
     */
    public ValueMap withNumber(String key, BigDecimal val) {
        super.put(key, val);
        return this;
    }

    /**
     * Sets the value of the specified key in the current ValueMap to the
     * given value.
     */
    public ValueMap withNumber(String key, Number val) {
        super.put(key, InternalUtils.toBigDecimal(val));
        return this;
    }

    /**
     * Sets the value of the specified key in the current ValueMap to the
     * given value.
     */
    public ValueMap withInt(String key, int val) {
        return withNumber(key, Integer.valueOf(val));
    }

    /**
     * Sets the value of the specified key in the current ValueMap to the
     * given value.
     */
    public ValueMap withLong(String key, long val) {
        return withNumber(key, Long.valueOf(val));
    }


    /**
     * Sets the value of the specified key in the current ValueMap to the
     * given value.
     */
    public ValueMap withBinary(String key, byte[] val) {
        super.put(key, val);
        return this;
    }

    /**
     * Sets the value of the specified key in the current ValueMap to the
     * given value.
     */
    public ValueMap withStringSet(String key, Set val) {
        super.put(key, val);
        return this;
    }

    /**
     * Sets the value of the specified key in the current ValueMap to the
     * given value.
     */
    public ValueMap withStringSet(String key, String ...val) {
        super.put(key, new LinkedHashSet(Arrays.asList(val)));
        return this;
    }


    /**
     * Sets the value of the specified key in the current ValueMap to the
     * given value.
     */
    public ValueMap withNumberSet(String key, Set val) {
        super.put(key, val);
        return this;
    }

    /**
     * Sets the value of the specified key in the current ValueMap to the
     * given value.
     */
    public ValueMap withNumberSet(String key, BigDecimal ... val) {
        super.put(key, new LinkedHashSet(Arrays.asList(val)));
        return this;
    }

    /**
     * Sets the value of the specified key in the current ValueMap to the
     * given value.
     */
    public ValueMap withNumberSet(String key, Number ... val) {
        super.put(key, InternalUtils.toBigDecimalSet(val));
        return this;
    }

    /**
     * Sets the value of the specified key in the current ValueMap to the
     * given value.
     */
    public ValueMap withBinarySet(String key, Set val) {
        super.put(key, val);
        return this;
    }

    /**
     * Sets the value of the specified key in the current ValueMap to the
     * given value.
     */
    public ValueMap withBinarySet(String key, byte[] ... val) {
        super.put(key, new LinkedHashSet(Arrays.asList(val)));
        return this;
    }

    /**
     * Sets the value of the specified key in the current ValueMap to the
     * given value.
     */
    public ValueMap withList(String key, List val) {
        super.put(key, val == null ? null : new ArrayList