commonMain.aws.sdk.kotlin.hll.dynamodbmapper.operations.GetItem.kt Maven / Gradle / Ivy

Go to download
Show more of this group Show more artifacts with this name
Show all versions of dynamodb-mapper-jvm Show documentation
High level DynamoDbMapper client
There is a newer version: 1.3.73-beta
// Code generated by dynamodb-mapper-ops-codegen. DO NOT EDIT!

package aws.sdk.kotlin.hll.dynamodbmapper.operations

import aws.sdk.kotlin.hll.dynamodbmapper.expressions.internal.ParameterizingExpressionVisitor
import aws.sdk.kotlin.hll.dynamodbmapper.internal.withWrappedClient
import aws.sdk.kotlin.hll.dynamodbmapper.items.ItemSchema
import aws.sdk.kotlin.hll.dynamodbmapper.model.TableSpec
import aws.sdk.kotlin.hll.dynamodbmapper.model.toItem
import aws.sdk.kotlin.hll.dynamodbmapper.pipeline.internal.HReqContextImpl
import aws.sdk.kotlin.hll.dynamodbmapper.pipeline.internal.MapperContextImpl
import aws.sdk.kotlin.hll.dynamodbmapper.pipeline.internal.Operation
import aws.sdk.kotlin.services.dynamodb.model.ConsumedCapacity
import aws.sdk.kotlin.services.dynamodb.model.ReturnConsumedCapacity
import aws.smithy.kotlin.runtime.ExperimentalApi
import aws.sdk.kotlin.services.dynamodb.model.GetItemRequest as LowLevelGetItemRequest
import aws.sdk.kotlin.services.dynamodb.model.GetItemResponse as LowLevelGetItemResponse

@ExperimentalApi
public interface GetItemRequest {
    @ExperimentalApi
    public companion object { }

    public val consistentRead: Boolean?
    public val key: T?
    public val returnConsumedCapacity: ReturnConsumedCapacity?
}

private data class GetItemRequestImpl(
    override val consistentRead: Boolean?,
    override val key: T?,
    override val returnConsumedCapacity: ReturnConsumedCapacity?,
): GetItemRequest

/**
 * A DSL-style builder for instances of [GetItemRequest]
 */
@ExperimentalApi
public class GetItemRequestBuilder {
    public var consistentRead: Boolean? = null
    public var key: T? = null
    public var returnConsumedCapacity: ReturnConsumedCapacity? = null

    public fun build(): GetItemRequest {
        val consistentRead = consistentRead
        val key = key
        val returnConsumedCapacity = returnConsumedCapacity

        return GetItemRequestImpl(
            consistentRead,
            key,
            returnConsumedCapacity,
        )
    }
}

@ExperimentalApi
public fun  GetItemRequest.toBuilder(): GetItemRequestBuilder = GetItemRequestBuilder().apply {
    consistentRead = [email protected]
    key = [email protected]
    returnConsumedCapacity = [email protected]
}

@ExperimentalApi
public fun  GetItemRequest.copy(block: GetItemRequestBuilder.() -> Unit): GetItemRequest =
    toBuilder().apply(block).build()

@ExperimentalApi
public fun  GetItemRequest(block: GetItemRequestBuilder.() -> Unit): GetItemRequest =
    GetItemRequestBuilder().apply(block).build()

private fun  GetItemRequest.convert(
    tableName: String?, 
    schema: ItemSchema,
) = LowLevelGetItemRequest {
    consistentRead = [email protected]
    returnConsumedCapacity = [email protected]
    [email protected]?.let { key = schema.converter.convertTo(it, schema.keyAttributeNames) }
    this.tableName = tableName

    val expressionVisitor = ParameterizingExpressionVisitor()
    expressionAttributeNames = expressionVisitor.expressionAttributeNames()
}

@ExperimentalApi
public interface GetItemResponse {
    @ExperimentalApi
    public companion object { }

    public val consumedCapacity: ConsumedCapacity?
    public val item: T?
}

private data class GetItemResponseImpl(
    override val consumedCapacity: ConsumedCapacity?,
    override val item: T?,
): GetItemResponse

/**
 * A DSL-style builder for instances of [GetItemResponse]
 */
@ExperimentalApi
public class GetItemResponseBuilder {
    public var consumedCapacity: ConsumedCapacity? = null
    public var item: T? = null

    public fun build(): GetItemResponse {
        val consumedCapacity = consumedCapacity
        val item = item

        return GetItemResponseImpl(
            consumedCapacity,
            item,
        )
    }
}

@ExperimentalApi
public fun  GetItemResponse.toBuilder(): GetItemResponseBuilder = GetItemResponseBuilder().apply {
    consumedCapacity = [email protected]
    item = [email protected]
}

@ExperimentalApi
public fun  GetItemResponse.copy(block: GetItemResponseBuilder.() -> Unit): GetItemResponse =
    toBuilder().apply(block).build()

@ExperimentalApi
public fun  GetItemResponse(block: GetItemResponseBuilder.() -> Unit): GetItemResponse =
    GetItemResponseBuilder().apply(block).build()

private fun  LowLevelGetItemResponse.convert(schema: ItemSchema) = GetItemResponse {
    consumedCapacity = [email protected]
    item = [email protected]?.toItem()?.let(schema.converter::convertFrom)
}

internal fun  getItemOperation(spec: TableSpec) = Operation(
    initialize = { highLevelReq: GetItemRequest -> HReqContextImpl(highLevelReq, spec.schema, MapperContextImpl(spec, "GetItem")) },
    serialize = { highLevelReq, schema -> highLevelReq.convert(spec.tableName, schema) },
    lowLevelInvoke = { lowLevelReq ->
        spec.mapper.client.withWrappedClient { client ->
            client.getItem(lowLevelReq)
        }
    },
    deserialize = LowLevelGetItemResponse::convert,
    interceptors = spec.mapper.config.interceptors,
)