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// Code generated by smithy-kotlin-codegen. DO NOT EDIT!

package aws.sdk.kotlin.services.glue.model

import aws.smithy.kotlin.runtime.SdkDsl

/**
 * Specifies a transform that combines the rows from two or more datasets into a single result.
 */
public class Union private constructor(builder: Builder) {
    /**
     * The node ID inputs to the transform.
     */
    public val inputs: List = requireNotNull(builder.inputs) { "A non-null value must be provided for inputs" }
    /**
     * The name of the transform node.
     */
    public val name: kotlin.String = requireNotNull(builder.name) { "A non-null value must be provided for name" }
    /**
     * Indicates the type of Union transform.
     *
     * Specify `ALL` to join all rows from data sources to the resulting DynamicFrame. The resulting union does not remove duplicate rows.
     *
     * Specify `DISTINCT` to remove duplicate rows in the resulting DynamicFrame.
     */
    public val unionType: aws.sdk.kotlin.services.glue.model.UnionType = requireNotNull(builder.unionType) { "A non-null value must be provided for unionType" }

    public companion object {
        public operator fun invoke(block: Builder.() -> kotlin.Unit): aws.sdk.kotlin.services.glue.model.Union = Builder().apply(block).build()
    }

    override fun toString(): kotlin.String = buildString {
        append("Union(")
        append("inputs=$inputs,")
        append("name=$name,")
        append("unionType=$unionType")
        append(")")
    }

    override fun hashCode(): kotlin.Int {
        var result = inputs.hashCode()
        result = 31 * result + (name.hashCode())
        result = 31 * result + (unionType.hashCode())
        return result
    }

    override fun equals(other: kotlin.Any?): kotlin.Boolean {
        if (this === other) return true
        if (other == null || this::class != other::class) return false

        other as Union

        if (inputs != other.inputs) return false
        if (name != other.name) return false
        if (unionType != other.unionType) return false

        return true
    }

    public inline fun copy(block: Builder.() -> kotlin.Unit = {}): aws.sdk.kotlin.services.glue.model.Union = Builder(this).apply(block).build()

    @SdkDsl
    public class Builder {
        /**
         * The node ID inputs to the transform.
         */
        public var inputs: List? = null
        /**
         * The name of the transform node.
         */
        public var name: kotlin.String? = null
        /**
         * Indicates the type of Union transform.
         *
         * Specify `ALL` to join all rows from data sources to the resulting DynamicFrame. The resulting union does not remove duplicate rows.
         *
         * Specify `DISTINCT` to remove duplicate rows in the resulting DynamicFrame.
         */
        public var unionType: aws.sdk.kotlin.services.glue.model.UnionType? = null

        @PublishedApi
        internal constructor()
        @PublishedApi
        internal constructor(x: aws.sdk.kotlin.services.glue.model.Union) : this() {
            this.inputs = x.inputs
            this.name = x.name
            this.unionType = x.unionType
        }

        @PublishedApi
        internal fun build(): aws.sdk.kotlin.services.glue.model.Union = Union(this)

        internal fun correctErrors(): Builder {
            if (inputs == null) inputs = emptyList()
            if (name == null) name = ""
            if (unionType == null) unionType = UnionType.SdkUnknown("no value provided")
            return this
        }
    }
}