swaydb.core.merge.ValueMerger.scala Maven / Gradle / Ivy

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/*
 * Copyright (c) 2019 Simer Plaha (@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 .
 */

package swaydb.core.merge

import swaydb.core.data.Value
import swaydb.core.function.FunctionStore
import swaydb.data.IO
import swaydb.data.order.TimeOrder
import swaydb.data.slice.Slice

object ValueMerger {

  def apply(key: Slice[Byte],
            newRangeValue: Value.RangeValue,
            oldFromValue: Value.FromValue)(implicit timeOrder: TimeOrder[Slice[Byte]],
                                           functionStore: FunctionStore): IO[Value.FromValue] =
    FixedMerger(
      newKeyValue = newRangeValue.toMemory(key),
      oldKeyValue = oldFromValue.toMemory(key)
    ) flatMap (_.toFromValue())

  def apply(key: Slice[Byte],
            newRangeValue: Value.FromValue,
            oldFromValue: Value.FromValue)(implicit timeOrder: TimeOrder[Slice[Byte]],
                                           functionStore: FunctionStore): IO[Value.FromValue] =
    FixedMerger(
      newKeyValue = newRangeValue.toMemory(key),
      oldKeyValue = oldFromValue.toMemory(key)
    ) flatMap (_.toFromValue())

  def apply(newRangeValue: Value.RangeValue,
            oldRangeValue: Value.RangeValue)(implicit timeOrder: TimeOrder[Slice[Byte]],
                                             functionStore: FunctionStore): IO[Value.RangeValue] =
    FixedMerger(
      newKeyValue = newRangeValue.toMemory(Slice.emptyBytes),
      oldKeyValue = oldRangeValue.toMemory(Slice.emptyBytes)
    ) flatMap (_.toRangeValue())
}