com.amazonaws.services.elasticmapreduce.model.transform.InstanceGroupModifyConfigJsonMarshaller Maven / Gradle / Ivy

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

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/*
 * Copyright 2010-2016 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.
 * 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.elasticmapreduce.model.transform;

import java.util.Map;
import java.util.List;

import com.amazonaws.AmazonClientException;
import com.amazonaws.services.elasticmapreduce.model.*;
import com.amazonaws.transform.Marshaller;
import com.amazonaws.util.BinaryUtils;
import com.amazonaws.util.StringUtils;
import com.amazonaws.util.IdempotentUtils;
import com.amazonaws.util.StringInputStream;
import com.amazonaws.protocol.json.*;

/**
 * InstanceGroupModifyConfigMarshaller
 */
public class InstanceGroupModifyConfigJsonMarshaller {

    /**
     * Marshall the given parameter object, and output to a SdkJsonGenerator
     */
    public void marshall(InstanceGroupModifyConfig instanceGroupModifyConfig,
            StructuredJsonGenerator jsonGenerator) {

        if (instanceGroupModifyConfig == null) {
            throw new AmazonClientException(
                    "Invalid argument passed to marshall(...)");
        }

        try {
            jsonGenerator.writeStartObject();

            if (instanceGroupModifyConfig.getInstanceGroupId() != null) {
                jsonGenerator.writeFieldName("InstanceGroupId").writeValue(
                        instanceGroupModifyConfig.getInstanceGroupId());
            }
            if (instanceGroupModifyConfig.getInstanceCount() != null) {
                jsonGenerator.writeFieldName("InstanceCount").writeValue(
                        instanceGroupModifyConfig.getInstanceCount());
            }

            com.amazonaws.internal.SdkInternalList eC2InstanceIdsToTerminateList = (com.amazonaws.internal.SdkInternalList) instanceGroupModifyConfig
                    .getEC2InstanceIdsToTerminate();
            if (!eC2InstanceIdsToTerminateList.isEmpty()
                    || !eC2InstanceIdsToTerminateList.isAutoConstruct()) {
                jsonGenerator.writeFieldName("EC2InstanceIdsToTerminate");
                jsonGenerator.writeStartArray();
                for (String eC2InstanceIdsToTerminateListValue : eC2InstanceIdsToTerminateList) {
                    if (eC2InstanceIdsToTerminateListValue != null) {
                        jsonGenerator
                                .writeValue(eC2InstanceIdsToTerminateListValue);
                    }
                }
                jsonGenerator.writeEndArray();
            }
            if (instanceGroupModifyConfig.getShrinkPolicy() != null) {
                jsonGenerator.writeFieldName("ShrinkPolicy");
                ShrinkPolicyJsonMarshaller.getInstance().marshall(
                        instanceGroupModifyConfig.getShrinkPolicy(),
                        jsonGenerator);
            }

            jsonGenerator.writeEndObject();
        } catch (Throwable t) {
            throw new AmazonClientException(
                    "Unable to marshall request to JSON: " + t.getMessage(), t);
        }
    }

    private static InstanceGroupModifyConfigJsonMarshaller instance;

    public static InstanceGroupModifyConfigJsonMarshaller getInstance() {
        if (instance == null)
            instance = new InstanceGroupModifyConfigJsonMarshaller();
        return instance;
    }

}