eventsourcing.JournalReader.scala Maven / Gradle / Ivy
/*
* Copyright 2021 Hossein Naderi
*
* 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 edomata.backend
package eventsourcing
import fs2.Stream
trait JournalReader[F[_], E] {
def readStream(streamId: StreamId): Stream[F, EventMessage[E]]
def readStreamAfter(
streamId: StreamId,
version: EventVersion
): Stream[F, EventMessage[E]]
def readStreamBefore(
streamId: StreamId,
version: EventVersion
): Stream[F, EventMessage[E]]
def readAll: Stream[F, EventMessage[E]]
def readAllAfter(seqNr: SeqNr): Stream[F, EventMessage[E]]
def readAllBefore(seqNr: SeqNr): Stream[F, EventMessage[E]]
}