org.scanamo.ScanamoAsync.scala Maven / Gradle / Ivy
/*
* Copyright 2019 Scanamo
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License 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 org.scanamo
import cats.Monad
import cats.~>
import software.amazon.awssdk.services.dynamodb.DynamoDbAsyncClient
import org.scanamo.ops._
import scala.concurrent.{ ExecutionContext, Future }
/** Interprets Scanamo operations in an asynchronous context: Scala futures.
*/
final class ScanamoAsync private (client: DynamoDbAsyncClient)(implicit ec: ExecutionContext) {
private val interpreter = new ScanamoAsyncInterpreter(client)
/** Execute the operations built with [[org.scanamo.Table]]
*/
def exec[A](op: ScanamoOps[A]): Future[A] = op.foldMap(interpreter)
/** Execute the operations built with [[org.scanamo.Table]] with effects in the monad `M` threaded in.
*/
def execT[M[_]: Monad, A](hoist: Future ~> M)(op: ScanamoOpsT[M, A]): M[A] =
op.foldMap(interpreter andThen hoist)
}
object ScanamoAsync {
def apply(client: DynamoDbAsyncClient)(implicit ec: ExecutionContext): ScanamoAsync = new ScanamoAsync(client)
}