org.scanamo.TransactionalWriteAction.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 org.scanamo.query.{ ConditionExpression, UniqueKey }
import org.scanamo.update.UpdateExpression
sealed trait TransactionalWriteAction
object TransactionalWriteAction {
case class Put[V](tableName: String, item: V)(implicit format: DynamoFormat[V]) extends TransactionalWriteAction {
def asDynamoValue = format.write(item)
}
case class Update(tableName: String, key: UniqueKey[_], expression: UpdateExpression) extends TransactionalWriteAction
case class Delete(tableName: String, key: UniqueKey[_]) extends TransactionalWriteAction
case class ConditionCheck[T](tableName: String, key: UniqueKey[_], condition: T)(implicit
conditionExpression: ConditionExpression[T]
) extends TransactionalWriteAction {
def asRequestCondition = conditionExpression.apply(condition).runEmptyA.value
}
}