doobie.postgres.free.copymanager.scala Maven / Gradle / Ivy
// 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
// format: off
package doobie.postgres.free
import cats.{~>, Applicative, Semigroup, Monoid}
import cats.effect.kernel.{ CancelScope, Poll, Sync }
import cats.free.{ Free as 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 org.postgresql.copy.{ CopyDual as PGCopyDual }
import org.postgresql.copy.{ CopyIn as PGCopyIn }
import org.postgresql.copy.{ CopyManager as PGCopyManager }
import org.postgresql.copy.{ CopyOut as PGCopyOut }
import org.postgresql.util.ByteStreamWriter
// This file is Auto-generated using FreeGen2.scala
object copymanager { module =>
// Algebra of operations for PGCopyManager. Each accepts a visitor as an alternative to pattern-matching.
sealed trait CopyManagerOp[A] {
def visit[F[_]](v: CopyManagerOp.Visitor[F]): F[A]
}
// Free monad over CopyManagerOp.
type CopyManagerIO[A] = FF[CopyManagerOp, A]
// Module of instances and constructors of CopyManagerOp.
object CopyManagerOp {
// Given a PGCopyManager we can embed a CopyManagerIO program in any algebra that understands embedding.
implicit val CopyManagerOpEmbeddable: Embeddable[CopyManagerOp, PGCopyManager] =
new Embeddable[CopyManagerOp, PGCopyManager] {
def embed[A](j: PGCopyManager, fa: FF[CopyManagerOp, A]): Embedded.CopyManager[A] = Embedded.CopyManager(j, fa)
}
// Interface for a natural transformation CopyManagerOp ~> F encoded via the visitor pattern.
// This approach is much more efficient than pattern-matching for large algebras.
trait Visitor[F[_]] extends (CopyManagerOp ~> F) {
final def apply[A](fa: CopyManagerOp[A]): F[A] = fa.visit(this)
// Common
def raw[A](f: PGCopyManager => A): F[A]
def embed[A](e: Embedded[A]): F[A]
def raiseError[A](e: Throwable): F[A]
def handleErrorWith[A](fa: CopyManagerIO[A])(f: Throwable => CopyManagerIO[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: CopyManagerIO[A])(fb: CopyManagerIO[B]): F[B]
def uncancelable[A](body: Poll[CopyManagerIO] => CopyManagerIO[A]): F[A]
def poll[A](poll: Any, fa: CopyManagerIO[A]): F[A]
def canceled: F[Unit]
def onCancel[A](fa: CopyManagerIO[A], fin: CopyManagerIO[Unit]): F[A]
def fromFuture[A](fut: CopyManagerIO[Future[A]]): F[A]
def fromFutureCancelable[A](fut: CopyManagerIO[(Future[A], CopyManagerIO[Unit])]): F[A]
def cancelable[A](fa: CopyManagerIO[A], fin: CopyManagerIO[Unit]): F[A]
def performLogging(event: LogEvent): F[Unit]
// PGCopyManager
def copyDual(a: String): F[PGCopyDual]
def copyIn(a: String): F[PGCopyIn]
def copyIn(a: String, b: ByteStreamWriter): F[Long]
def copyIn(a: String, b: InputStream): F[Long]
def copyIn(a: String, b: InputStream, c: Int): F[Long]
def copyIn(a: String, b: Reader): F[Long]
def copyIn(a: String, b: Reader, c: Int): F[Long]
def copyOut(a: String): F[PGCopyOut]
def copyOut(a: String, b: OutputStream): F[Long]
def copyOut(a: String, b: Writer): F[Long]
}
// Common operations for all algebras.
final case class Raw[A](f: PGCopyManager => A) extends CopyManagerOp[A] {
def visit[F[_]](v: Visitor[F]) = v.raw(f)
}
final case class Embed[A](e: Embedded[A]) extends CopyManagerOp[A] {
def visit[F[_]](v: Visitor[F]) = v.embed(e)
}
final case class RaiseError[A](e: Throwable) extends CopyManagerOp[A] {
def visit[F[_]](v: Visitor[F]) = v.raiseError(e)
}
final case class HandleErrorWith[A](fa: CopyManagerIO[A], f: Throwable => CopyManagerIO[A]) extends CopyManagerOp[A] {
def visit[F[_]](v: Visitor[F]) = v.handleErrorWith(fa)(f)
}
case object Monotonic extends CopyManagerOp[FiniteDuration] {
def visit[F[_]](v: Visitor[F]) = v.monotonic
}
case object Realtime extends CopyManagerOp[FiniteDuration] {
def visit[F[_]](v: Visitor[F]) = v.realTime
}
case class Suspend[A](hint: Sync.Type, thunk: () => A) extends CopyManagerOp[A] {
def visit[F[_]](v: Visitor[F]) = v.suspend(hint)(thunk())
}
case class ForceR[A, B](fa: CopyManagerIO[A], fb: CopyManagerIO[B]) extends CopyManagerOp[B] {
def visit[F[_]](v: Visitor[F]) = v.forceR(fa)(fb)
}
case class Uncancelable[A](body: Poll[CopyManagerIO] => CopyManagerIO[A]) extends CopyManagerOp[A] {
def visit[F[_]](v: Visitor[F]) = v.uncancelable(body)
}
case class Poll1[A](poll: Any, fa: CopyManagerIO[A]) extends CopyManagerOp[A] {
def visit[F[_]](v: Visitor[F]) = v.poll(poll, fa)
}
case object Canceled extends CopyManagerOp[Unit] {
def visit[F[_]](v: Visitor[F]) = v.canceled
}
case class OnCancel[A](fa: CopyManagerIO[A], fin: CopyManagerIO[Unit]) extends CopyManagerOp[A] {
def visit[F[_]](v: Visitor[F]) = v.onCancel(fa, fin)
}
case class FromFuture[A](fut: CopyManagerIO[Future[A]]) extends CopyManagerOp[A] {
def visit[F[_]](v: Visitor[F]) = v.fromFuture(fut)
}
case class FromFutureCancelable[A](fut: CopyManagerIO[(Future[A], CopyManagerIO[Unit])]) extends CopyManagerOp[A] {
def visit[F[_]](v: Visitor[F]) = v.fromFutureCancelable(fut)
}
case class Cancelable[A](fa: CopyManagerIO[A], fin: CopyManagerIO[Unit]) extends CopyManagerOp[A] {
def visit[F[_]](v: Visitor[F]) = v.cancelable(fa, fin)
}
case class PerformLogging(event: LogEvent) extends CopyManagerOp[Unit] {
def visit[F[_]](v: Visitor[F]) = v.performLogging(event)
}
// PGCopyManager-specific operations.
final case class CopyDual(a: String) extends CopyManagerOp[PGCopyDual] {
def visit[F[_]](v: Visitor[F]) = v.copyDual(a)
}
final case class CopyIn(a: String) extends CopyManagerOp[PGCopyIn] {
def visit[F[_]](v: Visitor[F]) = v.copyIn(a)
}
final case class CopyIn1(a: String, b: ByteStreamWriter) extends CopyManagerOp[Long] {
def visit[F[_]](v: Visitor[F]) = v.copyIn(a, b)
}
final case class CopyIn2(a: String, b: InputStream) extends CopyManagerOp[Long] {
def visit[F[_]](v: Visitor[F]) = v.copyIn(a, b)
}
final case class CopyIn3(a: String, b: InputStream, c: Int) extends CopyManagerOp[Long] {
def visit[F[_]](v: Visitor[F]) = v.copyIn(a, b, c)
}
final case class CopyIn4(a: String, b: Reader) extends CopyManagerOp[Long] {
def visit[F[_]](v: Visitor[F]) = v.copyIn(a, b)
}
final case class CopyIn5(a: String, b: Reader, c: Int) extends CopyManagerOp[Long] {
def visit[F[_]](v: Visitor[F]) = v.copyIn(a, b, c)
}
final case class CopyOut(a: String) extends CopyManagerOp[PGCopyOut] {
def visit[F[_]](v: Visitor[F]) = v.copyOut(a)
}
final case class CopyOut1(a: String, b: OutputStream) extends CopyManagerOp[Long] {
def visit[F[_]](v: Visitor[F]) = v.copyOut(a, b)
}
final case class CopyOut2(a: String, b: Writer) extends CopyManagerOp[Long] {
def visit[F[_]](v: Visitor[F]) = v.copyOut(a, b)
}
}
import CopyManagerOp.*
// Smart constructors for operations common to all algebras.
val unit: CopyManagerIO[Unit] = FF.pure[CopyManagerOp, Unit](())
def pure[A](a: A): CopyManagerIO[A] = FF.pure[CopyManagerOp, A](a)
def raw[A](f: PGCopyManager => A): CopyManagerIO[A] = FF.liftF(Raw(f))
def embed[F[_], J, A](j: J, fa: FF[F, A])(implicit ev: Embeddable[F, J]): FF[CopyManagerOp, A] = FF.liftF(Embed(ev.embed(j, fa)))
def raiseError[A](err: Throwable): CopyManagerIO[A] = FF.liftF[CopyManagerOp, A](RaiseError(err))
def handleErrorWith[A](fa: CopyManagerIO[A])(f: Throwable => CopyManagerIO[A]): CopyManagerIO[A] = FF.liftF[CopyManagerOp, A](HandleErrorWith(fa, f))
val monotonic = FF.liftF[CopyManagerOp, FiniteDuration](Monotonic)
val realtime = FF.liftF[CopyManagerOp, FiniteDuration](Realtime)
def delay[A](thunk: => A) = FF.liftF[CopyManagerOp, A](Suspend(Sync.Type.Delay, () => thunk))
def suspend[A](hint: Sync.Type)(thunk: => A) = FF.liftF[CopyManagerOp, A](Suspend(hint, () => thunk))
def forceR[A, B](fa: CopyManagerIO[A])(fb: CopyManagerIO[B]) = FF.liftF[CopyManagerOp, B](ForceR(fa, fb))
def uncancelable[A](body: Poll[CopyManagerIO] => CopyManagerIO[A]) = FF.liftF[CopyManagerOp, A](Uncancelable(body))
def capturePoll[M[_]](mpoll: Poll[M]) = new Poll[CopyManagerIO] {
def apply[A](fa: CopyManagerIO[A]) = FF.liftF[CopyManagerOp, A](Poll1(mpoll, fa))
}
val canceled = FF.liftF[CopyManagerOp, Unit](Canceled)
def onCancel[A](fa: CopyManagerIO[A], fin: CopyManagerIO[Unit]) = FF.liftF[CopyManagerOp, A](OnCancel(fa, fin))
def fromFuture[A](fut: CopyManagerIO[Future[A]]) = FF.liftF[CopyManagerOp, A](FromFuture(fut))
def fromFutureCancelable[A](fut: CopyManagerIO[(Future[A], CopyManagerIO[Unit])]) = FF.liftF[CopyManagerOp, A](FromFutureCancelable(fut))
def cancelable[A](fa: CopyManagerIO[A], fin: CopyManagerIO[Unit]) = FF.liftF[CopyManagerOp, A](Cancelable(fa, fin))
def performLogging(event: LogEvent) = FF.liftF[CopyManagerOp, Unit](PerformLogging(event))
// Smart constructors for CopyManager-specific operations.
def copyDual(a: String): CopyManagerIO[PGCopyDual] = FF.liftF(CopyDual(a))
def copyIn(a: String): CopyManagerIO[PGCopyIn] = FF.liftF(CopyIn(a))
def copyIn(a: String, b: ByteStreamWriter): CopyManagerIO[Long] = FF.liftF(CopyIn1(a, b))
def copyIn(a: String, b: InputStream): CopyManagerIO[Long] = FF.liftF(CopyIn2(a, b))
def copyIn(a: String, b: InputStream, c: Int): CopyManagerIO[Long] = FF.liftF(CopyIn3(a, b, c))
def copyIn(a: String, b: Reader): CopyManagerIO[Long] = FF.liftF(CopyIn4(a, b))
def copyIn(a: String, b: Reader, c: Int): CopyManagerIO[Long] = FF.liftF(CopyIn5(a, b, c))
def copyOut(a: String): CopyManagerIO[PGCopyOut] = FF.liftF(CopyOut(a))
def copyOut(a: String, b: OutputStream): CopyManagerIO[Long] = FF.liftF(CopyOut1(a, b))
def copyOut(a: String, b: Writer): CopyManagerIO[Long] = FF.liftF(CopyOut2(a, b))
// Typeclass instances for CopyManagerIO
implicit val WeakAsyncCopyManagerIO: WeakAsync[CopyManagerIO] =
new WeakAsync[CopyManagerIO] {
val monad = FF.catsFreeMonadForFree[CopyManagerOp]
override val applicative: Applicative[CopyManagerIO] = monad
override val rootCancelScope: CancelScope = CancelScope.Cancelable
override def pure[A](x: A): CopyManagerIO[A] = monad.pure(x)
override def flatMap[A, B](fa: CopyManagerIO[A])(f: A => CopyManagerIO[B]): CopyManagerIO[B] = monad.flatMap(fa)(f)
override def tailRecM[A, B](a: A)(f: A => CopyManagerIO[Either[A, B]]): CopyManagerIO[B] = monad.tailRecM(a)(f)
override def raiseError[A](e: Throwable): CopyManagerIO[A] = module.raiseError(e)
override def handleErrorWith[A](fa: CopyManagerIO[A])(f: Throwable => CopyManagerIO[A]): CopyManagerIO[A] = module.handleErrorWith(fa)(f)
override def monotonic: CopyManagerIO[FiniteDuration] = module.monotonic
override def realTime: CopyManagerIO[FiniteDuration] = module.realtime
override def suspend[A](hint: Sync.Type)(thunk: => A): CopyManagerIO[A] = module.suspend(hint)(thunk)
override def forceR[A, B](fa: CopyManagerIO[A])(fb: CopyManagerIO[B]): CopyManagerIO[B] = module.forceR(fa)(fb)
override def uncancelable[A](body: Poll[CopyManagerIO] => CopyManagerIO[A]): CopyManagerIO[A] = module.uncancelable(body)
override def canceled: CopyManagerIO[Unit] = module.canceled
override def onCancel[A](fa: CopyManagerIO[A], fin: CopyManagerIO[Unit]): CopyManagerIO[A] = module.onCancel(fa, fin)
override def fromFuture[A](fut: CopyManagerIO[Future[A]]): CopyManagerIO[A] = module.fromFuture(fut)
override def fromFutureCancelable[A](fut: CopyManagerIO[(Future[A], CopyManagerIO[Unit])]): CopyManagerIO[A] = module.fromFutureCancelable(fut)
override def cancelable[A](fa: CopyManagerIO[A], fin: CopyManagerIO[Unit]): CopyManagerIO[A] = module.cancelable(fa, fin)
}
implicit def MonoidCopyManagerIO[A : Monoid]: Monoid[CopyManagerIO[A]] = new Monoid[CopyManagerIO[A]] {
override def empty: CopyManagerIO[A] = Applicative[CopyManagerIO].pure(Monoid[A].empty)
override def combine(x: CopyManagerIO[A], y: CopyManagerIO[A]): CopyManagerIO[A] =
Applicative[CopyManagerIO].product(x, y).map { case (x, y) => Monoid[A].combine(x, y) }
}
implicit def SemigroupCopyManagerIO[A : Semigroup]: Semigroup[CopyManagerIO[A]] = new Semigroup[CopyManagerIO[A]] {
override def combine(x: CopyManagerIO[A], y: CopyManagerIO[A]): CopyManagerIO[A] =
Applicative[CopyManagerIO].product(x, y).map { case (x, y) => Semigroup[A].combine(x, y) }
}
}
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