akka.persistence.r2dbc.internal.EnvelopeOrigin.scala Maven / Gradle / Ivy

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An Akka Persistence backed by SQL database with R2DBC

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/*
 * Copyright (C) 2022 - 2023 Lightbend Inc. 
 */

package akka.persistence.r2dbc.internal

import akka.annotation.InternalStableApi
import akka.persistence.query.UpdatedDurableState
import akka.persistence.query.typed.EventEnvelope

/**
 * INTERNAL API
 */
@InternalStableApi private[akka] object EnvelopeOrigin {
  val SourceQuery = ""
  val SourceBacktracking = "BT"
  val SourcePubSub = "PS"

  def fromQuery(env: EventEnvelope[_]): Boolean =
    env.source == SourceQuery

  def fromBacktracking(env: EventEnvelope[_]): Boolean =
    env.source == SourceBacktracking

  def fromBacktracking(change: UpdatedDurableState[_]): Boolean =
    change.value == null

  def fromPubSub(env: EventEnvelope[_]): Boolean =
    env.source == SourcePubSub

  def isFilteredEvent(env: Any): Boolean =
    env match {
      case e: EventEnvelope[_] => e.filtered
      case _                   => false
    }

}