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A plugin for storing events in an event journal akka-persistence-inmemory

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/*
 * Copyright 2016 Dennis Vriend
 *
 * 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 akka.persistence

import akka.persistence.inmemory.util.UUIDs
import akka.persistence.query.TimeBasedUUID

import java.util.UUID

import scala.collection.immutable._

package object inmemory {
  type Seq[A] = scala.collection.immutable.Seq[A]

  def nowUuid: UUID                   = UUIDs.timeBased()
  def getTimeBasedUUID: TimeBasedUUID = TimeBasedUUID(nowUuid)

  final case class JournalEntry(persistenceId: String,
                                sequenceNr: Long,
                                serialized: Array[Byte],
                                repr: PersistentRepr,
                                tags: Set[String],
                                deleted: Boolean = false,
                                ordering: Long = -1,
                                timestamp: TimeBasedUUID = getTimeBasedUUID,
                                offset: Option[Long] = None)
  final case class SnapshotEntry(persistenceId: String, sequenceNumber: Long, created: Long, snapshot: Array[Byte])

  implicit def seqToVector[A](xs: Seq[A]): Vector[A]                        = xs.toVector
  implicit def setToVector[A](xs: Set[A]): Vector[A]                        = xs.toVector
  implicit def mapSeqToVector[K, V](map: Map[K, Seq[V]]): Map[K, Vector[V]] = map.map(e => (e._1, e._2.toVector))
}