swaydb.data.storage.Level0Storage.scala Maven / Gradle / Ivy

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/*
 * Copyright (c) 2020 Simer JS Plaha ([email protected] - @simerplaha)
 *
 * This file is a part of SwayDB.
 *
 * SwayDB is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as
 * published by the Free Software Foundation, either version 3 of the
 * License, or (at your option) any later version.
 *
 * SwayDB is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with SwayDB. If not, see .
 *
 * Additional permission under the GNU Affero GPL version 3 section 7:
 * If you modify this Program or any covered work, only by linking or
 * combining it with separate works, the licensors of this Program grant
 * you additional permission to convey the resulting work.
 */

package swaydb.data.storage

import java.nio.file.Path

import swaydb.data.config.{MMAP, RecoveryMode}

sealed trait Level0Storage {
  val memory: Boolean

  def persistent = !memory

  def isMMAP: Boolean
}

object Level0Storage {

  case object Memory extends Level0Storage {
    override val memory: Boolean = true
    override def isMMAP: Boolean = false
  }

  case class Persistent(mmap: MMAP.Map,
                        dir: Path,
                        recovery: RecoveryMode) extends Level0Storage {
    override val memory: Boolean = false
    override def isMMAP: Boolean = mmap.isMMAP
  }
}