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The AWS Java SDK for AWS Cost Explorer module holds the client classes that are used for communicating with AWS Cost Explorer Service
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/*
 * Copyright 2013-2018 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 software.amazon.awssdk.services.costexplorer.model;

import java.util.Objects;
import java.util.Optional;
import software.amazon.awssdk.annotations.Generated;
import software.amazon.awssdk.annotations.SdkInternalApi;
import software.amazon.awssdk.core.protocol.ProtocolMarshaller;
import software.amazon.awssdk.core.protocol.StructuredPojo;
import software.amazon.awssdk.services.costexplorer.transform.MetricValueMarshaller;
import software.amazon.awssdk.utils.ToString;
import software.amazon.awssdk.utils.builder.CopyableBuilder;
import software.amazon.awssdk.utils.builder.ToCopyableBuilder;

/**
 * 
 * The aggregated value for a metric.
 * 
 */
@Generated("software.amazon.awssdk:codegen")
public final class MetricValue implements StructuredPojo, ToCopyableBuilder {
    private final String amount;

    private final String unit;

    private MetricValue(BuilderImpl builder) {
        this.amount = builder.amount;
        this.unit = builder.unit;
    }

    /**
     * 
     * The actual number that represents the metric.
     * 
     * 
     * @return The actual number that represents the metric.
     */
    public String amount() {
        return amount;
    }

    /**
     * 
     * The unit that the metric is given in.
     * 
     * 
     * @return The unit that the metric is given in.
     */
    public String unit() {
        return unit;
    }

    @Override
    public Builder toBuilder() {
        return new BuilderImpl(this);
    }

    public static Builder builder() {
        return new BuilderImpl();
    }

    public static Class serializableBuilderClass() {
        return BuilderImpl.class;
    }

    @Override
    public int hashCode() {
        int hashCode = 1;
        hashCode = 31 * hashCode + Objects.hashCode(amount());
        hashCode = 31 * hashCode + Objects.hashCode(unit());
        return hashCode;
    }

    @Override
    public boolean equals(Object obj) {
        if (this == obj) {
            return true;
        }
        if (obj == null) {
            return false;
        }
        if (!(obj instanceof MetricValue)) {
            return false;
        }
        MetricValue other = (MetricValue) obj;
        return Objects.equals(amount(), other.amount()) && Objects.equals(unit(), other.unit());
    }

    @Override
    public String toString() {
        return ToString.builder("MetricValue").add("Amount", amount()).add("Unit", unit()).build();
    }

    public  Optional getValueForField(String fieldName, Class clazz) {
        switch (fieldName) {
        case "Amount":
            return Optional.ofNullable(clazz.cast(amount()));
        case "Unit":
            return Optional.ofNullable(clazz.cast(unit()));
        default:
            return Optional.empty();
        }
    }

    @SdkInternalApi
    @Override
    public void marshall(ProtocolMarshaller protocolMarshaller) {
        MetricValueMarshaller.getInstance().marshall(this, protocolMarshaller);
    }

    public interface Builder extends CopyableBuilder {
        /**
         * 
         * The actual number that represents the metric.
         * 
         * 
         * @param amount
         *        The actual number that represents the metric.
         * @return Returns a reference to this object so that method calls can be chained together.
         */
        Builder amount(String amount);

        /**
         * 
         * The unit that the metric is given in.
         * 
         * 
         * @param unit
         *        The unit that the metric is given in.
         * @return Returns a reference to this object so that method calls can be chained together.
         */
        Builder unit(String unit);
    }

    static final class BuilderImpl implements Builder {
        private String amount;

        private String unit;

        private BuilderImpl() {
        }

        private BuilderImpl(MetricValue model) {
            amount(model.amount);
            unit(model.unit);
        }

        public final String getAmount() {
            return amount;
        }

        @Override
        public final Builder amount(String amount) {
            this.amount = amount;
            return this;
        }

        public final void setAmount(String amount) {
            this.amount = amount;
        }

        public final String getUnit() {
            return unit;
        }

        @Override
        public final Builder unit(String unit) {
            this.unit = unit;
            return this;
        }

        public final void setUnit(String unit) {
            this.unit = unit;
        }

        @Override
        public MetricValue build() {
            return new MetricValue(this);
        }
    }
}