kalix.scalasdk.replicatedentity.ReplicatedMapEntity.scala Maven / Gradle / Ivy
/*
* Copyright 2021 Lightbend Inc.
*
* 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 kalix.scalasdk.replicatedentity
import kalix.replicatedentity.ReplicatedData
class ReplicatedMapEntity[K, V <: ReplicatedData] extends ReplicatedEntity[ReplicatedMap[K, V]] {
/**
* Implement by returning the initial empty replicated data object. This object will be passed into the command
* handlers.
*
* Also known as the "zero" or "neutral" state.
*
* The initial data cannot be `null`.
*
* @param factory
* the factory to create the initial empty replicated data object
*/
override final def emptyData(factory: ReplicatedDataFactory): ReplicatedMap[K, V] =
factory.newReplicatedMap
}