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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.java
import java.time.Duration
import java.util.Optional
import swaydb.Apply
import swaydb.data.util.Java._
import scala.compat.java8.DurationConverters._
object Prepare {
sealed trait Map[+K, +V, +F]
sealed trait Set[+K, +F]
def putInMap[K, V, F](key: K, value: V): PutInMap[K, V, F] =
PutInMap(key, value, Optional.empty())
def putInMap[K, V, F](key: K, value: V, expireAfter: Duration): PutInMap[K, V, F] =
PutInMap(key, value, Optional.of(expireAfter))
def removeFromMap[K, V, F](key: K): RemoveFromMap[K, V, F] =
RemoveFromMap(key, Optional.empty(), Optional.empty())
def removeFromMap[K, V, F](fromKey: K, toKey: K): RemoveFromMap[K, V, F] =
RemoveFromMap(fromKey, Optional.of(toKey), Optional.empty())
def expireFromMap[K, V, F](key: K, after: Duration): RemoveFromMap[K, V, F] =
RemoveFromMap(key, Optional.empty(), Optional.of(after))
def expireFromMap[K, V, F](fromKey: K, toKey: K, after: Duration): RemoveFromMap[K, V, F] =
RemoveFromMap(fromKey, Optional.of(toKey), Optional.of(after))
def updateInMap[K, V, F](key: K, value: V): UpdateInMap[K, V, F] =
UpdateInMap(key, Optional.empty(), value)
def updateInMap[K, V, F](fromKey: K, toKey: K, value: V): UpdateInMap[K, V, F] =
UpdateInMap(fromKey, Optional.of(toKey), value)
def applyFunctionInMap[K, V, F](key: K, function: F): ApplyFunctionInMap[K, V, F] =
ApplyFunctionInMap(key, Optional.empty(), function)
def applyFunctionInMap[K, V, F](fromKey: K, toKey: K, function: F): ApplyFunctionInMap[K, V, F] =
ApplyFunctionInMap(fromKey, Optional.of(toKey), function)
def addToSet[T, F](elem: T): AddToSet[T, F] =
AddToSet[T, F](elem, Optional.empty())
def addToSet[T, F](elem: T, expireAfter: Duration): AddToSet[T, F] =
AddToSet[T, F](elem, Optional.of(expireAfter))
def removeFromSet[T, F](elem: T): RemoveFromSet[T, F] =
RemoveFromSet[T, F](elem, Optional.empty(), Optional.empty())
def removeFromSet[T, F](fromElem: T, toElem: T): RemoveFromSet[T, F] =
RemoveFromSet[T, F](fromElem, Optional.of(toElem), Optional.empty())
def expireFromSet[T, F](elem: T, after: Duration): RemoveFromSet[T, F] =
RemoveFromSet[T, F](elem, Optional.empty(), Optional.of(after))
def expireFromSet[T, F](fromElem: T, toElem: T, after: Duration): RemoveFromSet[T, F] =
RemoveFromSet[T, F](fromElem, Optional.of(toElem), Optional.of(after))
def applyFunctionToSet[T, F](elem: T, function: F): ApplyFunctionToSet[T, F] =
ApplyFunctionToSet[T, F](elem, Optional.empty(), function)
def applyFunctionToSet[T, F](fromElem: T, toElem: T, function: F): ApplyFunctionToSet[T, F] =
ApplyFunctionToSet[T, F](fromElem, Optional.of(toElem), function)
/**
* Convert Prepare statements created in Java to of the type acceptable in Scala.
*
* This is required because of the [[PureFunction]] types in Java are different to Scala which
* accept Scala vars.
*/
def toScala[K, V, F <: swaydb.java.PureFunction[K, V, Return.Map[V]]](prepare: Prepare.Map[K, V, F]): swaydb.Prepare[K, V, swaydb.PureFunction[K, V, Apply.Map[V]]] =
prepare match {
case PutInMap(key, value, expireAfter) =>
new swaydb.Prepare.Put(key, value, expireAfter.asScalaMap(_.toScala.fromNow))
case RemoveFromMap(from, to, expireAfter) =>
new swaydb.Prepare.Remove(from, to.asScala, expireAfter.asScalaMap(_.toScala.fromNow))
case UpdateInMap(from, to, value) =>
new swaydb.Prepare.Update(from, to.asScala, value)
case ApplyFunctionInMap(from, to, function) =>
new swaydb.Prepare.ApplyFunction(from, to.asScala, PureFunction.asScala(function))
}
/**
* Converts java prepare statements with [[swaydb.java.PureFunction.OnKey]] to scala prepare statements with [[swaydb.PureFunction.OnKey]]
*/
def toScala[K, F <: swaydb.java.PureFunction.OnKey[K, Void, Return.Set[Void]]](prepare: Prepare.Set[K, F]): swaydb.Prepare[K, Nothing, swaydb.PureFunction.OnKey[K, Nothing, Apply.Set[Nothing]]] =
prepare match {
case AddToSet(elem, expireAfter) =>
new swaydb.Prepare.Add(elem, expireAfter.asScalaMap(_.toScala.fromNow))
case RemoveFromSet(from, to, expireAfter) =>
new swaydb.Prepare.Remove(from, to.asScala, expireAfter.asScalaMap(_.toScala.fromNow))
case ApplyFunctionToSet(from, to, function) =>
new swaydb.Prepare.ApplyFunction(from, to.asScala, PureFunction.asScala(function))
}
case class PutInMap[K, V, F](key: K, value: V, expireAfter: Optional[Duration]) extends Prepare.Map[K, V, F]
case class RemoveFromMap[K, V, F](from: K, to: Optional[K], expireAfter: Optional[Duration]) extends Prepare.Map[K, V, F]
case class UpdateInMap[K, V, F](from: K, to: Optional[K], value: V) extends Prepare.Map[K, V, F]
case class ApplyFunctionInMap[K, V, F](from: K, to: Optional[K], function: F) extends Prepare.Map[K, V, F]
case class AddToSet[T, F](elem: T, expireAfter: Optional[Duration]) extends Prepare.Set[T, F]
case class RemoveFromSet[T, F](from: T, to: Optional[T], expireAfter: Optional[Duration]) extends Prepare.Set[T, F]
case class ApplyFunctionToSet[T, F](from: T, to: Optional[T], function: F) extends Prepare.Set[T, F]
}
