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io.kaizensolutions.virgil.codecs.CqlPrimitiveEncoder.scala Maven / Gradle / Ivy
package io.kaizensolutions.virgil.codecs
import com.datastax.oss.driver.api.core.`type`._
import com.datastax.oss.driver.api.core.data.CqlDuration
import com.datastax.oss.driver.api.core.data.SettableByIndex
import com.datastax.oss.driver.api.core.data.SettableByName
import com.datastax.oss.driver.api.core.data.UdtValue
import scala.jdk.CollectionConverters._
/**
* A typeclass that describes how to turn a Scala type into a CQL type.
*
* @tparam ScalaType
* is the Scala type to be converted into the CQL type
*/
trait CqlPrimitiveEncoder[-ScalaType] { self =>
type DriverType
def driverClass: Class[DriverType]
def scala2Driver(scalaValue: ScalaType, dataType: DataType): DriverType
def contramap[ScalaType2](
f: ScalaType2 => ScalaType
): CqlPrimitiveEncoder.WithDriver[ScalaType2, DriverType] =
CqlPrimitiveEncoder.ContramapPrimitiveEncoder(self, f)
}
object CqlPrimitiveEncoder {
type WithDriver[Scala, Driver] = CqlPrimitiveEncoder[Scala] { type DriverType = Driver }
def apply[Scala](implicit encoder: CqlPrimitiveEncoder[Scala]): CqlPrimitiveEncoder[Scala] = encoder
def encodePrimitiveByFieldName[Structure <: SettableByName[Structure], Scala](
structure: Structure,
fieldName: String,
value: Scala
)(implicit prim: CqlPrimitiveEncoder[Scala]): Structure =
prim match {
case StringPrimitiveEncoder => structure.setString(fieldName, value)
case BigIntPrimitiveEncoder => structure.setBigInteger(fieldName, value.bigInteger)
case ByteBufferPrimitiveEncoder => structure.setByteBuffer(fieldName, value)
case BooleanPrimitiveEncoder => structure.setBoolean(fieldName, value)
case LongPrimitiveEncoder => structure.setLong(fieldName, value)
case LocalDatePrimitiveEncoder => structure.setLocalDate(fieldName, value)
case BigDecimalPrimitiveEncoder => structure.setBigDecimal(fieldName, value.bigDecimal)
case DoublePrimitiveEncoder => structure.setDouble(fieldName, value)
case CqlDurationPrimitiveEncoder => structure.setCqlDuration(fieldName, value)
case FloatPrimitiveEncoder => structure.setFloat(fieldName, value)
case InetAddressPrimitiveEncoder => structure.setInetAddress(fieldName, value)
case IntPrimitiveEncoder => structure.setInt(fieldName, value)
case ShortPrimitiveEncoder => structure.setShort(fieldName, value)
case LocalTimePrimitiveEncoder => structure.setLocalTime(fieldName, value)
case InstantPrimitiveEncoder => structure.setInstant(fieldName, value)
case UUIDPrimitiveEncoder => structure.setUuid(fieldName, value)
case BytePrimitiveEncoder => structure.setByte(fieldName, value)
case UdtValuePrimitiveEncoder => structure.setUdtValue(fieldName, value)
case UdtValueEncoderPrimitiveEncoder(encoder) =>
val emptyUdtValue = structure.getType(fieldName).asInstanceOf[UserDefinedType].newValue()
val udtValue = encoder.encode(emptyUdtValue, value)
structure.setUdtValue(fieldName, udtValue)
case l @ ListPrimitiveEncoder(element, _) =>
val driverType = structure.getType(fieldName)
val driverValue = l.scala2Driver(value, driverType)
structure.setList(fieldName, driverValue, element.driverClass)
case s @ SetPrimitiveEncoder(element) =>
val driverType = structure.getType(fieldName)
val driverValue = s.scala2Driver(value, driverType)
structure.setSet(fieldName, driverValue, element.driverClass)
case m @ MapPrimitiveEncoder(k, v) =>
val mapType = structure.getType(fieldName)
val driverMap = m.scala2Driver(value, mapType)
structure.setMap(fieldName, driverMap, k.driverClass, v.driverClass)
case o: OptionPrimitiveEncoder[scala, driver] =>
value.asInstanceOf[Option[scala]] match {
case Some(value) => encodePrimitiveByFieldName(structure, fieldName, value)(o.element)
case None => structure.setToNull(fieldName)
}
case ContramapPrimitiveEncoder(element, f) =>
encodePrimitiveByFieldName(structure, fieldName, f(value))(element)
case other =>
val driverType = structure.getType(fieldName)
val driverValue = other.scala2Driver(value, driverType)
structure.set(fieldName, driverValue, other.driverClass)
}
def encodePrimitiveByIndex[Structure <: SettableByIndex[Structure], Scala](
structure: Structure,
index: Int,
value: Scala
)(implicit prim: CqlPrimitiveEncoder[Scala]): Structure =
prim match {
case StringPrimitiveEncoder => structure.setString(index, value)
case BigIntPrimitiveEncoder => structure.setBigInteger(index, value.bigInteger)
case ByteBufferPrimitiveEncoder => structure.setByteBuffer(index, value)
case BooleanPrimitiveEncoder => structure.setBoolean(index, value)
case LongPrimitiveEncoder => structure.setLong(index, value)
case LocalDatePrimitiveEncoder => structure.setLocalDate(index, value)
case BigDecimalPrimitiveEncoder => structure.setBigDecimal(index, value.bigDecimal)
case DoublePrimitiveEncoder => structure.setDouble(index, value)
case CqlDurationPrimitiveEncoder => structure.setCqlDuration(index, value)
case FloatPrimitiveEncoder => structure.setFloat(index, value)
case InetAddressPrimitiveEncoder => structure.setInetAddress(index, value)
case IntPrimitiveEncoder => structure.setInt(index, value)
case ShortPrimitiveEncoder => structure.setShort(index, value)
case LocalTimePrimitiveEncoder => structure.setLocalTime(index, value)
case InstantPrimitiveEncoder => structure.setInstant(index, value)
case UUIDPrimitiveEncoder => structure.setUuid(index, value)
case BytePrimitiveEncoder => structure.setByte(index, value)
case UdtValuePrimitiveEncoder => structure.setUdtValue(index, value)
case UdtValueEncoderPrimitiveEncoder(encoder) =>
val emptyUdtValue = structure.getType(index).asInstanceOf[UserDefinedType].newValue()
val udtValue = encoder.encode(emptyUdtValue, value)
structure.setUdtValue(index, udtValue)
case l @ ListPrimitiveEncoder(element, _) =>
val driverType = structure.getType(index).asInstanceOf[ListType].getElementType
val driverValue = l.scala2Driver(value, driverType)
structure.setList(index, driverValue, element.driverClass)
case s @ SetPrimitiveEncoder(element) =>
val driverType = structure.getType(index).asInstanceOf[SetType]
val driverValue = s.scala2Driver(value, driverType)
structure.setSet(index, driverValue, element.driverClass)
case m @ MapPrimitiveEncoder(k, v) =>
val mapType = structure.getType(index).asInstanceOf[MapType]
val driverMap = m.scala2Driver(value, mapType)
structure.setMap(index, driverMap, k.driverClass, v.driverClass)
case o: OptionPrimitiveEncoder[scala, driver] =>
value.asInstanceOf[Option[scala]] match {
case Some(value) => encodePrimitiveByIndex(structure, index, value)(o.element)
case None => structure.setToNull(index)
}
case ContramapPrimitiveEncoder(element, f) =>
encodePrimitiveByIndex(structure, index, f(value))(element)
case other =>
val driverType = structure.getType(index)
val driverValue = other.scala2Driver(value, driverType)
structure.set(index, driverValue, other.driverClass)
}
case object StringPrimitiveEncoder extends CqlPrimitiveEncoder[String] {
type DriverType = java.lang.String
def driverClass: Class[DriverType] = classOf[DriverType]
def scala2Driver(scalaValue: String, dataType: DataType): DriverType = scalaValue
}
implicit val stringPrimitiveEncoder: CqlPrimitiveEncoder.WithDriver[String, java.lang.String] =
StringPrimitiveEncoder
case object BigIntPrimitiveEncoder extends CqlPrimitiveEncoder[BigInt] {
type DriverType = java.math.BigInteger
def driverClass: Class[DriverType] = classOf[DriverType]
def scala2Driver(scalaValue: BigInt, dataType: DataType): DriverType = scalaValue.bigInteger
}
implicit val bigIntPrimitiveEncoder: CqlPrimitiveEncoder.WithDriver[BigInt, java.math.BigInteger] =
BigIntPrimitiveEncoder
case object ByteBufferPrimitiveEncoder extends CqlPrimitiveEncoder[java.nio.ByteBuffer] {
type DriverType = java.nio.ByteBuffer
def driverClass: Class[DriverType] = classOf[DriverType]
def scala2Driver(scalaValue: java.nio.ByteBuffer, dataType: DataType): DriverType = scalaValue
}
implicit val byteBufferPrimitiveEncoder: CqlPrimitiveEncoder.WithDriver[java.nio.ByteBuffer, java.nio.ByteBuffer] =
ByteBufferPrimitiveEncoder
case object BooleanPrimitiveEncoder extends CqlPrimitiveEncoder[Boolean] {
type DriverType = java.lang.Boolean
def driverClass: Class[DriverType] = classOf[DriverType]
def scala2Driver(scalaValue: Boolean, dataType: DataType): DriverType = scalaValue
}
implicit val booleanPrimitiveEncoder: CqlPrimitiveEncoder.WithDriver[Boolean, java.lang.Boolean] =
BooleanPrimitiveEncoder
case object LongPrimitiveEncoder extends CqlPrimitiveEncoder[Long] {
type DriverType = java.lang.Long
def driverClass: Class[DriverType] = classOf[DriverType]
def scala2Driver(scalaValue: Long, dataType: DataType): DriverType = scalaValue
}
implicit val longPrimitiveEncoder: CqlPrimitiveEncoder.WithDriver[Long, java.lang.Long] =
LongPrimitiveEncoder
case object LocalDatePrimitiveEncoder extends CqlPrimitiveEncoder[java.time.LocalDate] {
type DriverType = java.time.LocalDate
def driverClass: Class[DriverType] = classOf[DriverType]
def scala2Driver(scalaValue: java.time.LocalDate, dataType: DataType): DriverType = scalaValue
}
implicit val datePrimitiveEncoder: CqlPrimitiveEncoder.WithDriver[java.time.LocalDate, java.time.LocalDate] =
LocalDatePrimitiveEncoder
case object BigDecimalPrimitiveEncoder extends CqlPrimitiveEncoder[BigDecimal] {
type DriverType = java.math.BigDecimal
def driverClass: Class[DriverType] = classOf[DriverType]
def scala2Driver(scalaValue: BigDecimal, dataType: DataType): DriverType = scalaValue.bigDecimal
}
implicit val bigDecimalPrimitiveEncoder: CqlPrimitiveEncoder.WithDriver[BigDecimal, java.math.BigDecimal] =
BigDecimalPrimitiveEncoder
case object DoublePrimitiveEncoder extends CqlPrimitiveEncoder[Double] {
type DriverType = java.lang.Double
def driverClass: Class[DriverType] = classOf[DriverType]
def scala2Driver(scalaValue: Double, dataType: DataType): DriverType = scalaValue
}
implicit val doublePrimitiveEncoder: CqlPrimitiveEncoder.WithDriver[Double, java.lang.Double] =
DoublePrimitiveEncoder
case object CqlDurationPrimitiveEncoder extends CqlPrimitiveEncoder[CqlDuration] {
type DriverType = CqlDuration
def driverClass: Class[DriverType] = classOf[DriverType]
def scala2Driver(scalaValue: CqlDuration, dataType: DataType): DriverType = scalaValue
}
implicit val cqlDurationPrimitiveEncoder: CqlPrimitiveEncoder.WithDriver[CqlDuration, CqlDuration] =
CqlDurationPrimitiveEncoder
case object FloatPrimitiveEncoder extends CqlPrimitiveEncoder[Float] {
type DriverType = java.lang.Float
def driverClass: Class[DriverType] = classOf[DriverType]
def scala2Driver(scalaValue: Float, dataType: DataType): DriverType = scalaValue
}
implicit val floatPrimitiveEncoder: CqlPrimitiveEncoder.WithDriver[Float, java.lang.Float] =
FloatPrimitiveEncoder
case object InetAddressPrimitiveEncoder extends CqlPrimitiveEncoder[java.net.InetAddress] {
type DriverType = java.net.InetAddress
def driverClass: Class[DriverType] = classOf[DriverType]
def scala2Driver(scalaValue: java.net.InetAddress, dataType: DataType): DriverType = scalaValue
}
implicit val inetPrimitiveEncoder: CqlPrimitiveEncoder.WithDriver[java.net.InetAddress, java.net.InetAddress] =
InetAddressPrimitiveEncoder
case object IntPrimitiveEncoder extends CqlPrimitiveEncoder[Int] {
type DriverType = java.lang.Integer
def driverClass: Class[DriverType] = classOf[DriverType]
def scala2Driver(scalaValue: Int, dataType: DataType): DriverType = scalaValue
}
implicit val intPrimitiveEncoder: CqlPrimitiveEncoder.WithDriver[Int, java.lang.Integer] =
IntPrimitiveEncoder
case object ShortPrimitiveEncoder extends CqlPrimitiveEncoder[Short] {
type DriverType = java.lang.Short
def driverClass: Class[DriverType] = classOf[DriverType]
def scala2Driver(scalaValue: Short, dataType: DataType): DriverType = scalaValue
}
implicit val shortPrimitiveEncoder: CqlPrimitiveEncoder.WithDriver[Short, java.lang.Short] =
ShortPrimitiveEncoder
case object LocalTimePrimitiveEncoder extends CqlPrimitiveEncoder[java.time.LocalTime] {
type DriverType = java.time.LocalTime
def driverClass: Class[DriverType] = classOf[DriverType]
def scala2Driver(scalaValue: java.time.LocalTime, dataType: DataType): DriverType = scalaValue
}
implicit val localTimePrimitiveEncoder: CqlPrimitiveEncoder.WithDriver[java.time.LocalTime, java.time.LocalTime] =
LocalTimePrimitiveEncoder
case object InstantPrimitiveEncoder extends CqlPrimitiveEncoder[java.time.Instant] {
type DriverType = java.time.Instant
def driverClass: Class[DriverType] = classOf[DriverType]
def scala2Driver(scalaValue: java.time.Instant, dataType: DataType): DriverType = scalaValue
}
implicit val instantPrimitiveEncoder: CqlPrimitiveEncoder.WithDriver[java.time.Instant, java.time.Instant] =
InstantPrimitiveEncoder
case object UUIDPrimitiveEncoder extends CqlPrimitiveEncoder[java.util.UUID] {
type DriverType = java.util.UUID
def driverClass: Class[DriverType] = classOf[DriverType]
def scala2Driver(scalaValue: java.util.UUID, dataType: DataType): DriverType = scalaValue
}
implicit val uuidPrimitiveEncoder: CqlPrimitiveEncoder.WithDriver[java.util.UUID, java.util.UUID] =
UUIDPrimitiveEncoder
case object BytePrimitiveEncoder extends CqlPrimitiveEncoder[Byte] {
type DriverType = java.lang.Byte
def driverClass: Class[DriverType] = classOf[DriverType]
def scala2Driver(scalaValue: Byte, dataType: DataType): DriverType = scalaValue
}
implicit val bytePrimitiveEncoder: CqlPrimitiveEncoder.WithDriver[Byte, java.lang.Byte] =
BytePrimitiveEncoder
case object UdtValuePrimitiveEncoder extends CqlPrimitiveEncoder[UdtValue] {
type DriverType = UdtValue
def driverClass: Class[DriverType] = classOf[DriverType]
def scala2Driver(scalaValue: UdtValue, dataType: DataType): DriverType = scalaValue
}
implicit val udtValuePrimitiveEncoder: CqlPrimitiveEncoder.WithDriver[UdtValue, UdtValue] =
UdtValuePrimitiveEncoder
final case class UdtValueEncoderPrimitiveEncoder[A](encoder: CqlUdtValueEncoder.Object[A])
extends CqlPrimitiveEncoder[A] {
type DriverType = UdtValue
def driverClass: Class[DriverType] = classOf[DriverType]
def scala2Driver(scalaValue: A, dataType: DataType): DriverType = {
val udtValue = dataType.asInstanceOf[UserDefinedType].newValue()
encoder.encode(udtValue, scalaValue)
}
}
implicit def scalaTypeViaUdtValuePrimitive[A](implicit
encoder: CqlUdtValueEncoder.Object[A]
): CqlPrimitiveEncoder.WithDriver[A, UdtValue] =
UdtValueEncoderPrimitiveEncoder(encoder)
final case class ListPrimitiveEncoder[Collection[_], ScalaElem, DriverElem](
element: CqlPrimitiveEncoder.WithDriver[ScalaElem, DriverElem],
transform: (Collection[ScalaElem], Function[ScalaElem, DriverElem]) => java.util.List[DriverElem]
) extends CqlPrimitiveEncoder[Collection[ScalaElem]] {
override type DriverType = java.util.List[element.DriverType]
override def driverClass: Class[DriverType] = classOf[DriverType]
override def scala2Driver(scalaCollection: Collection[ScalaElem], dataType: DataType): DriverType = {
val elementDataType = dataType.asInstanceOf[ListType].getElementType
transform(scalaCollection, element.scala2Driver(_, elementDataType))
}
}
implicit def listCqlPrimitiveEncoder[A](implicit
element: CqlPrimitiveEncoder[A]
): CqlPrimitiveEncoder.WithDriver[List[A], java.util.List[element.DriverType]] =
ListPrimitiveEncoder[List, A, element.DriverType](element, (list, transform) => list.map(transform).asJava)
implicit def vectorCqlPrimitiveEncoder[A](implicit
element: CqlPrimitiveEncoder[A]
): CqlPrimitiveEncoder.WithDriver[Vector[A], java.util.List[element.DriverType]] =
ListPrimitiveEncoder[Vector, A, element.DriverType](element, (vector, transform) => vector.map(transform).asJava)
final case class SetPrimitiveEncoder[Scala, Driver](element: CqlPrimitiveEncoder.WithDriver[Scala, Driver])
extends CqlPrimitiveEncoder[Set[Scala]] {
override type DriverType = java.util.Set[element.DriverType]
override def driverClass: Class[DriverType] = classOf[DriverType]
override def scala2Driver(scalaValue: Set[Scala], dataType: DataType): DriverType = {
val elementDataType = dataType.asInstanceOf[SetType].getElementType
scalaValue.map(element.scala2Driver(_, elementDataType)).asJava
}
}
implicit def setCqlPrimitiveEncoder[A](implicit
element: CqlPrimitiveEncoder[A]
): CqlPrimitiveEncoder.WithDriver[Set[A], java.util.Set[element.DriverType]] =
SetPrimitiveEncoder[A, element.DriverType](element)
final case class MapPrimitiveEncoder[K, DriverK, V, DriverV](
key: CqlPrimitiveEncoder.WithDriver[K, DriverK],
value: CqlPrimitiveEncoder.WithDriver[V, DriverV]
) extends CqlPrimitiveEncoder[Map[K, V]] {
override type DriverType = java.util.Map[DriverK, DriverV]
override def driverClass: Class[DriverType] = classOf[DriverType]
override def scala2Driver(scalaValue: Map[K, V], dataType: DataType): DriverType = {
val mapType = dataType.asInstanceOf[MapType]
val keyDataType = mapType.getKeyType
val valueDataType = mapType.getValueType
scalaValue.map { case (k, v) =>
key.scala2Driver(k, keyDataType) -> value.scala2Driver(v, valueDataType)
}.asJava
}
}
implicit def mapCqlPrimitiveEncoder[K, V](implicit
key: CqlPrimitiveEncoder[K],
value: CqlPrimitiveEncoder[V]
): CqlPrimitiveEncoder.WithDriver[Map[K, V], java.util.Map[key.DriverType, value.DriverType]] =
MapPrimitiveEncoder[K, key.DriverType, V, value.DriverType](key, value)
final case class OptionPrimitiveEncoder[Scala, Driver](element: CqlPrimitiveEncoder.WithDriver[Scala, Driver])
extends CqlPrimitiveEncoder[Option[Scala]] {
override type DriverType = element.DriverType
override def driverClass: Class[DriverType] = element.driverClass
override def scala2Driver(scalaValue: Option[Scala], dataType: DataType): DriverType =
scalaValue match {
case Some(value) => element.scala2Driver(value, dataType)
case None => null.asInstanceOf[DriverType]
}
}
implicit def optionCqlPrimitiveEncoder[A](implicit element: CqlPrimitiveEncoder[A]): CqlPrimitiveEncoder[Option[A]] =
OptionPrimitiveEncoder[A, element.DriverType](element)
final case class ContramapPrimitiveEncoder[Scala, Scala2, Driver](
element: CqlPrimitiveEncoder.WithDriver[Scala, Driver],
f: Scala2 => Scala
) extends CqlPrimitiveEncoder[Scala2] {
override type DriverType = Driver
override def driverClass: Class[DriverType] = element.driverClass
override def scala2Driver(scalaValue: Scala2, dataType: DataType): DriverType =
element.scala2Driver(f(scalaValue), dataType)
}
}
