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clob.scala
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clob.scala
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// Copyright (c) 2013-2020 Rob Norris and Contributors
// This software is licensed under the MIT License (MIT).
// For more information see LICENSE or https://opensource.org/licenses/MIT
package doobie.free
import cats.{~>, Applicative, Semigroup, Monoid}
import cats.effect.kernel.{ CancelScope, Poll, Sync }
import cats.free.{ Free => FF } // alias because some algebras have an op called Free
import doobie.util.log.LogEvent
import doobie.WeakAsync
import scala.concurrent.Future
import scala.concurrent.duration.FiniteDuration
import java.io.InputStream
import java.io.OutputStream
import java.io.Reader
import java.io.Writer
import java.lang.String
import java.sql.Clob
// This file is Auto-generated using FreeGen2.scala
object clob { module =>
// Algebra of operations for Clob. Each accepts a visitor as an alternative to pattern-matching.
sealed trait ClobOp[A] {
def visit[F[_]](v: ClobOp.Visitor[F]): F[A]
}
// Free monad over ClobOp.
type ClobIO[A] = FF[ClobOp, A]
// Module of instances and constructors of ClobOp.
object ClobOp {
// Given a Clob we can embed a ClobIO program in any algebra that understands embedding.
implicit val ClobOpEmbeddable: Embeddable[ClobOp, Clob] =
new Embeddable[ClobOp, Clob] {
def embed[A](j: Clob, fa: FF[ClobOp, A]) = Embedded.Clob(j, fa)
}
// Interface for a natural transformation ClobOp ~> F encoded via the visitor pattern.
// This approach is much more efficient than pattern-matching for large algebras.
trait Visitor[F[_]] extends (ClobOp ~> F) {
final def apply[A](fa: ClobOp[A]): F[A] = fa.visit(this)
// Common
def raw[A](f: Clob => A): F[A]
def embed[A](e: Embedded[A]): F[A]
def raiseError[A](e: Throwable): F[A]
def handleErrorWith[A](fa: ClobIO[A])(f: Throwable => ClobIO[A]): F[A]
def monotonic: F[FiniteDuration]
def realTime: F[FiniteDuration]
def delay[A](thunk: => A): F[A]
def suspend[A](hint: Sync.Type)(thunk: => A): F[A]
def forceR[A, B](fa: ClobIO[A])(fb: ClobIO[B]): F[B]
def uncancelable[A](body: Poll[ClobIO] => ClobIO[A]): F[A]
def poll[A](poll: Any, fa: ClobIO[A]): F[A]
def canceled: F[Unit]
def onCancel[A](fa: ClobIO[A], fin: ClobIO[Unit]): F[A]
def fromFuture[A](fut: ClobIO[Future[A]]): F[A]
def fromFutureCancelable[A](fut: ClobIO[(Future[A], ClobIO[Unit])]): F[A]
def performLogging(event: LogEvent): F[Unit]
// Clob
def free: F[Unit]
def getAsciiStream: F[InputStream]
def getCharacterStream: F[Reader]
def getCharacterStream(a: Long, b: Long): F[Reader]
def getSubString(a: Long, b: Int): F[String]
def length: F[Long]
def position(a: Clob, b: Long): F[Long]
def position(a: String, b: Long): F[Long]
def setAsciiStream(a: Long): F[OutputStream]
def setCharacterStream(a: Long): F[Writer]
def setString(a: Long, b: String): F[Int]
def setString(a: Long, b: String, c: Int, d: Int): F[Int]
def truncate(a: Long): F[Unit]
}
// Common operations for all algebras.
final case class Raw[A](f: Clob => A) extends ClobOp[A] {
def visit[F[_]](v: Visitor[F]) = v.raw(f)
}
final case class Embed[A](e: Embedded[A]) extends ClobOp[A] {
def visit[F[_]](v: Visitor[F]) = v.embed(e)
}
final case class RaiseError[A](e: Throwable) extends ClobOp[A] {
def visit[F[_]](v: Visitor[F]) = v.raiseError(e)
}
final case class HandleErrorWith[A](fa: ClobIO[A], f: Throwable => ClobIO[A]) extends ClobOp[A] {
def visit[F[_]](v: Visitor[F]) = v.handleErrorWith(fa)(f)
}
case object Monotonic extends ClobOp[FiniteDuration] {
def visit[F[_]](v: Visitor[F]) = v.monotonic
}
case object Realtime extends ClobOp[FiniteDuration] {
def visit[F[_]](v: Visitor[F]) = v.realTime
}
case class Suspend[A](hint: Sync.Type, thunk: () => A) extends ClobOp[A] {
def visit[F[_]](v: Visitor[F]) = v.suspend(hint)(thunk())
}
case class ForceR[A, B](fa: ClobIO[A], fb: ClobIO[B]) extends ClobOp[B] {
def visit[F[_]](v: Visitor[F]) = v.forceR(fa)(fb)
}
case class Uncancelable[A](body: Poll[ClobIO] => ClobIO[A]) extends ClobOp[A] {
def visit[F[_]](v: Visitor[F]) = v.uncancelable(body)
}
case class Poll1[A](poll: Any, fa: ClobIO[A]) extends ClobOp[A] {
def visit[F[_]](v: Visitor[F]) = v.poll(poll, fa)
}
case object Canceled extends ClobOp[Unit] {
def visit[F[_]](v: Visitor[F]) = v.canceled
}
case class OnCancel[A](fa: ClobIO[A], fin: ClobIO[Unit]) extends ClobOp[A] {
def visit[F[_]](v: Visitor[F]) = v.onCancel(fa, fin)
}
case class FromFuture[A](fut: ClobIO[Future[A]]) extends ClobOp[A] {
def visit[F[_]](v: Visitor[F]) = v.fromFuture(fut)
}
case class FromFutureCancelable[A](fut: ClobIO[(Future[A], ClobIO[Unit])]) extends ClobOp[A] {
def visit[F[_]](v: Visitor[F]) = v.fromFutureCancelable(fut)
}
case class PerformLogging(event: LogEvent) extends ClobOp[Unit] {
def visit[F[_]](v: Visitor[F]) = v.performLogging(event)
}
// Clob-specific operations.
case object Free extends ClobOp[Unit] {
def visit[F[_]](v: Visitor[F]) = v.free
}
case object GetAsciiStream extends ClobOp[InputStream] {
def visit[F[_]](v: Visitor[F]) = v.getAsciiStream
}
case object GetCharacterStream extends ClobOp[Reader] {
def visit[F[_]](v: Visitor[F]) = v.getCharacterStream
}
final case class GetCharacterStream1(a: Long, b: Long) extends ClobOp[Reader] {
def visit[F[_]](v: Visitor[F]) = v.getCharacterStream(a, b)
}
final case class GetSubString(a: Long, b: Int) extends ClobOp[String] {
def visit[F[_]](v: Visitor[F]) = v.getSubString(a, b)
}
case object Length extends ClobOp[Long] {
def visit[F[_]](v: Visitor[F]) = v.length
}
final case class Position(a: Clob, b: Long) extends ClobOp[Long] {
def visit[F[_]](v: Visitor[F]) = v.position(a, b)
}
final case class Position1(a: String, b: Long) extends ClobOp[Long] {
def visit[F[_]](v: Visitor[F]) = v.position(a, b)
}
final case class SetAsciiStream(a: Long) extends ClobOp[OutputStream] {
def visit[F[_]](v: Visitor[F]) = v.setAsciiStream(a)
}
final case class SetCharacterStream(a: Long) extends ClobOp[Writer] {
def visit[F[_]](v: Visitor[F]) = v.setCharacterStream(a)
}
final case class SetString(a: Long, b: String) extends ClobOp[Int] {
def visit[F[_]](v: Visitor[F]) = v.setString(a, b)
}
final case class SetString1(a: Long, b: String, c: Int, d: Int) extends ClobOp[Int] {
def visit[F[_]](v: Visitor[F]) = v.setString(a, b, c, d)
}
final case class Truncate(a: Long) extends ClobOp[Unit] {
def visit[F[_]](v: Visitor[F]) = v.truncate(a)
}
}
import ClobOp._
// Smart constructors for operations common to all algebras.
val unit: ClobIO[Unit] = FF.pure[ClobOp, Unit](())
def pure[A](a: A): ClobIO[A] = FF.pure[ClobOp, A](a)
def raw[A](f: Clob => A): ClobIO[A] = FF.liftF(Raw(f))
def embed[F[_], J, A](j: J, fa: FF[F, A])(implicit ev: Embeddable[F, J]): FF[ClobOp, A] = FF.liftF(Embed(ev.embed(j, fa)))
def raiseError[A](err: Throwable): ClobIO[A] = FF.liftF[ClobOp, A](RaiseError(err))
def handleErrorWith[A](fa: ClobIO[A])(f: Throwable => ClobIO[A]): ClobIO[A] = FF.liftF[ClobOp, A](HandleErrorWith(fa, f))
val monotonic = FF.liftF[ClobOp, FiniteDuration](Monotonic)
val realtime = FF.liftF[ClobOp, FiniteDuration](Realtime)
def delay[A](thunk: => A) = FF.liftF[ClobOp, A](Suspend(Sync.Type.Delay, () => thunk))
def suspend[A](hint: Sync.Type)(thunk: => A) = FF.liftF[ClobOp, A](Suspend(hint, () => thunk))
def forceR[A, B](fa: ClobIO[A])(fb: ClobIO[B]) = FF.liftF[ClobOp, B](ForceR(fa, fb))
def uncancelable[A](body: Poll[ClobIO] => ClobIO[A]) = FF.liftF[ClobOp, A](Uncancelable(body))
def capturePoll[M[_]](mpoll: Poll[M]) = new Poll[ClobIO] {
def apply[A](fa: ClobIO[A]) = FF.liftF[ClobOp, A](Poll1(mpoll, fa))
}
val canceled = FF.liftF[ClobOp, Unit](Canceled)
def onCancel[A](fa: ClobIO[A], fin: ClobIO[Unit]) = FF.liftF[ClobOp, A](OnCancel(fa, fin))
def fromFuture[A](fut: ClobIO[Future[A]]) = FF.liftF[ClobOp, A](FromFuture(fut))
def fromFutureCancelable[A](fut: ClobIO[(Future[A], ClobIO[Unit])]) = FF.liftF[ClobOp, A](FromFutureCancelable(fut))
def performLogging(event: LogEvent) = FF.liftF[ClobOp, Unit](PerformLogging(event))
// Smart constructors for Clob-specific operations.
val free: ClobIO[Unit] = FF.liftF(Free)
val getAsciiStream: ClobIO[InputStream] = FF.liftF(GetAsciiStream)
val getCharacterStream: ClobIO[Reader] = FF.liftF(GetCharacterStream)
def getCharacterStream(a: Long, b: Long): ClobIO[Reader] = FF.liftF(GetCharacterStream1(a, b))
def getSubString(a: Long, b: Int): ClobIO[String] = FF.liftF(GetSubString(a, b))
val length: ClobIO[Long] = FF.liftF(Length)
def position(a: Clob, b: Long): ClobIO[Long] = FF.liftF(Position(a, b))
def position(a: String, b: Long): ClobIO[Long] = FF.liftF(Position1(a, b))
def setAsciiStream(a: Long): ClobIO[OutputStream] = FF.liftF(SetAsciiStream(a))
def setCharacterStream(a: Long): ClobIO[Writer] = FF.liftF(SetCharacterStream(a))
def setString(a: Long, b: String): ClobIO[Int] = FF.liftF(SetString(a, b))
def setString(a: Long, b: String, c: Int, d: Int): ClobIO[Int] = FF.liftF(SetString1(a, b, c, d))
def truncate(a: Long): ClobIO[Unit] = FF.liftF(Truncate(a))
// Typeclass instances for ClobIO
implicit val WeakAsyncClobIO: WeakAsync[ClobIO] =
new WeakAsync[ClobIO] {
val monad = FF.catsFreeMonadForFree[ClobOp]
override val applicative = monad
override val rootCancelScope = CancelScope.Cancelable
override def pure[A](x: A): ClobIO[A] = monad.pure(x)
override def flatMap[A, B](fa: ClobIO[A])(f: A => ClobIO[B]): ClobIO[B] = monad.flatMap(fa)(f)
override def tailRecM[A, B](a: A)(f: A => ClobIO[Either[A, B]]): ClobIO[B] = monad.tailRecM(a)(f)
override def raiseError[A](e: Throwable): ClobIO[A] = module.raiseError(e)
override def handleErrorWith[A](fa: ClobIO[A])(f: Throwable => ClobIO[A]): ClobIO[A] = module.handleErrorWith(fa)(f)
override def monotonic: ClobIO[FiniteDuration] = module.monotonic
override def realTime: ClobIO[FiniteDuration] = module.realtime
override def suspend[A](hint: Sync.Type)(thunk: => A): ClobIO[A] = module.suspend(hint)(thunk)
override def forceR[A, B](fa: ClobIO[A])(fb: ClobIO[B]): ClobIO[B] = module.forceR(fa)(fb)
override def uncancelable[A](body: Poll[ClobIO] => ClobIO[A]): ClobIO[A] = module.uncancelable(body)
override def canceled: ClobIO[Unit] = module.canceled
override def onCancel[A](fa: ClobIO[A], fin: ClobIO[Unit]): ClobIO[A] = module.onCancel(fa, fin)
override def fromFuture[A](fut: ClobIO[Future[A]]): ClobIO[A] = module.fromFuture(fut)
override def fromFutureCancelable[A](fut: ClobIO[(Future[A], ClobIO[Unit])]): ClobIO[A] = module.fromFutureCancelable(fut)
}
implicit def MonoidClobIO[A : Monoid]: Monoid[ClobIO[A]] = new Monoid[ClobIO[A]] {
override def empty: ClobIO[A] = Applicative[ClobIO].pure(Monoid[A].empty)
override def combine(x: ClobIO[A], y: ClobIO[A]): ClobIO[A] =
Applicative[ClobIO].product(x, y).map { case (x, y) => Monoid[A].combine(x, y) }
}
implicit def SemigroupClobIO[A : Semigroup]: Semigroup[ClobIO[A]] = new Semigroup[ClobIO[A]] {
override def combine(x: ClobIO[A], y: ClobIO[A]): ClobIO[A] =
Applicative[ClobIO].product(x, y).map { case (x, y) => Semigroup[A].combine(x, y) }
}
}