• Home
• aws.sdk.kotlin
• dynamodb-mapper-jvm
• 1.3.77-beta
• source code
• Scan.kt

×

Project download

Many resources are needed to download a project. Please understand that we have to compensate our server costs. Thank you in advance.
Project price only 1 $

You can buy this project and download/modify it how often you want.

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

// Code generated by dynamodb-mapper-ops-codegen. DO NOT EDIT!

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

import aws.sdk.kotlin.hll.dynamodbmapper.expressions.BooleanExpr
import aws.sdk.kotlin.hll.dynamodbmapper.expressions.Filter
import aws.sdk.kotlin.hll.dynamodbmapper.expressions.internal.FilterImpl
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.IndexSpec
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.sdk.kotlin.services.dynamodb.model.Select
import aws.smithy.kotlin.runtime.ExperimentalApi
import kotlin.collections.List
import aws.sdk.kotlin.services.dynamodb.model.ScanRequest as LowLevelScanRequest
import aws.sdk.kotlin.services.dynamodb.model.ScanResponse as LowLevelScanResponse

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

    public val consistentRead: Boolean?
    public val exclusiveStartKey: T?
    public val filter: BooleanExpr?
    public val limit: Int?
    public val returnConsumedCapacity: ReturnConsumedCapacity?
    public val segment: Int?
    public val select: Select?
    public val totalSegments: Int?
}

private data class ScanRequestImpl(
    override val consistentRead: Boolean?,
    override val exclusiveStartKey: T?,
    override val filter: BooleanExpr?,
    override val limit: Int?,
    override val returnConsumedCapacity: ReturnConsumedCapacity?,
    override val segment: Int?,
    override val select: Select?,
    override val totalSegments: Int?,
): ScanRequest

/**
 * A DSL-style builder for instances of [ScanRequest]
 */
@ExperimentalApi
public class ScanRequestBuilder {
    public var consistentRead: Boolean? = null
    public var exclusiveStartKey: T? = null

    public var filter: BooleanExpr? = null

    public fun filter(block: Filter.() -> BooleanExpr?) {
        filter = FilterImpl.run(block)
    }

    public var limit: Int? = null
    public var returnConsumedCapacity: ReturnConsumedCapacity? = null
    public var segment: Int? = null
    public var select: Select? = null
    public var totalSegments: Int? = null

    public fun build(): ScanRequest {
        val consistentRead = consistentRead
        val exclusiveStartKey = exclusiveStartKey
        val filter = filter
        val limit = limit
        val returnConsumedCapacity = returnConsumedCapacity
        val segment = segment
        val select = select
        val totalSegments = totalSegments

        return ScanRequestImpl(
            consistentRead,
            exclusiveStartKey,
            filter,
            limit,
            returnConsumedCapacity,
            segment,
            select,
            totalSegments,
        )
    }
}

@ExperimentalApi
public fun  ScanRequest.toBuilder(): ScanRequestBuilder = ScanRequestBuilder().apply {
    consistentRead = [email protected]
    exclusiveStartKey = [email protected]
    filter = [email protected]
    limit = [email protected]
    returnConsumedCapacity = [email protected]
    segment = [email protected]
    select = [email protected]
    totalSegments = [email protected]
}

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

@ExperimentalApi
public fun  ScanRequest(block: ScanRequestBuilder.() -> Unit): ScanRequest =
    ScanRequestBuilder().apply(block).build()

private fun  ScanRequest.convert(
    indexName: String?, 
    tableName: String?, 
    schema: ItemSchema,
) = LowLevelScanRequest {
    consistentRead = [email protected]
    limit = [email protected]
    returnConsumedCapacity = [email protected]
    segment = [email protected]
    select = [email protected]
    totalSegments = [email protected]
    [email protected]?.let { exclusiveStartKey = schema.converter.convertTo(it) }
    this.indexName = indexName
    this.tableName = tableName

    val expressionVisitor = ParameterizingExpressionVisitor()
    filterExpression = [email protected]?.accept(expressionVisitor)
    expressionAttributeNames = expressionVisitor.expressionAttributeNames()
    expressionAttributeValues = expressionVisitor.expressionAttributeValues()
}

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

    public val consumedCapacity: ConsumedCapacity?
    public val count: Int
    public val items: List?
    public val lastEvaluatedKey: T?
    public val scannedCount: Int
}

private data class ScanResponseImpl(
    override val consumedCapacity: ConsumedCapacity?,
    override val count: Int,
    override val items: List?,
    override val lastEvaluatedKey: T?,
    override val scannedCount: Int,
): ScanResponse

/**
 * A DSL-style builder for instances of [ScanResponse]
 */
@ExperimentalApi
public class ScanResponseBuilder {
    public var consumedCapacity: ConsumedCapacity? = null
    public var count: Int? = null
    public var items: List? = null
    public var lastEvaluatedKey: T? = null
    public var scannedCount: Int? = null

    public fun build(): ScanResponse {
        val consumedCapacity = consumedCapacity
        val count = requireNotNull(count) { "Missing value for count" }
        val items = items
        val lastEvaluatedKey = lastEvaluatedKey
        val scannedCount = requireNotNull(scannedCount) { "Missing value for scannedCount" }

        return ScanResponseImpl(
            consumedCapacity,
            count,
            items,
            lastEvaluatedKey,
            scannedCount,
        )
    }
}

@ExperimentalApi
public fun  ScanResponse.toBuilder(): ScanResponseBuilder = ScanResponseBuilder().apply {
    consumedCapacity = [email protected]
    count = [email protected]
    items = [email protected]
    lastEvaluatedKey = [email protected]
    scannedCount = [email protected]
}

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

@ExperimentalApi
public fun  ScanResponse(block: ScanResponseBuilder.() -> Unit): ScanResponse =
    ScanResponseBuilder().apply(block).build()

private fun  LowLevelScanResponse.convert(schema: ItemSchema) = ScanResponse {
    consumedCapacity = [email protected]
    count = [email protected]
    scannedCount = [email protected]
    lastEvaluatedKey = [email protected]?.toItem()?.let(schema.converter::convertFrom)
    items = [email protected]?.map { schema.converter.convertFrom(it.toItem()) }
}

internal fun  scanOperation(spec: IndexSpec) = Operation(
    initialize = { highLevelReq: ScanRequest -> HReqContextImpl(highLevelReq, spec.schema, MapperContextImpl(spec, "Scan")) },
    serialize = { highLevelReq, schema -> highLevelReq.convert(spec.indexName, spec.tableName, schema) },
    lowLevelInvoke = { lowLevelReq ->
        spec.mapper.client.withWrappedClient { client ->
            client.scan(lowLevelReq)
        }
    },
    deserialize = LowLevelScanResponse::convert,
    interceptors = spec.mapper.config.interceptors,
)

internal fun  scanOperation(spec: TableSpec) = Operation(
    initialize = { highLevelReq: ScanRequest -> HReqContextImpl(highLevelReq, spec.schema, MapperContextImpl(spec, "Scan")) },
    serialize = { highLevelReq, schema -> highLevelReq.convert(indexName = null, spec.tableName, schema) },
    lowLevelInvoke = { lowLevelReq ->
        spec.mapper.client.withWrappedClient { client ->
            client.scan(lowLevelReq)
        }
    },
    deserialize = LowLevelScanResponse::convert,
    interceptors = spec.mapper.config.interceptors,
)