/* * Copyright 2018-2020 ProfunKtor * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package dev.profunktor.redis4cats import cats.effect._ import cats.implicits._ import dev.profunktor.redis4cats.effect.Log.NoOp._ import dev.profunktor.redis4cats.hlist._ import dev.profunktor.redis4cats.pipeline._ import java.util.concurrent.TimeoutException object RedisPipelineDemo extends LoggerIOApp { import Demo._ val program: IO[Unit] = { val key1 = "testp1" val key2 = "testp2" val showResult: String => Option[String] => IO[Unit] = key => _.fold(putStrLn(s"Not found key: $key"))(s => putStrLn(s"$key: $s")) val commandsApi: Resource[IO, RedisCommands[IO, String, String]] = Redis[IO].utf8(redisURI) commandsApi .use { cmd => val getters = cmd.get(key1).flatTap(showResult(key1)) *> cmd.get(key2).flatTap(showResult(key2)) val operations = cmd.set(key1, "noop") :: cmd.set(key2, "windows") :: cmd.get(key1) :: cmd.set(key1, "nix") :: cmd.set(key2, "linux") :: cmd.get(key1) :: HNil val prog = RedisPipeline(cmd) .filterExec(operations) .flatMap { case res1 ~: res2 ~: HNil => putStrLn(s"res1: $res1, res2: $res2") } .onError { case PipelineError => putStrLn("[Error] - Pipeline failed") case _: TimeoutException => putStrLn("[Error] - Timeout") } getters >> prog >> getters >> putStrLn("keep doing stuff...") } } }