Roman Elizarov | b0517ba | 2017-02-27 14:03:14 +0300 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2016-2017 JetBrains s.r.o. |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | // This file was automatically generated from coroutines-guide.md by Knit tool. Do not edit. |
Roman Elizarov | a9687a3 | 2018-06-29 17:28:38 +0300 | [diff] [blame] | 18 | package kotlinx.coroutines.experimental.guide.channel09 |
Roman Elizarov | b0517ba | 2017-02-27 14:03:14 +0300 | [diff] [blame] | 19 | |
| 20 | import kotlinx.coroutines.experimental.* |
| 21 | import kotlinx.coroutines.experimental.channels.* |
Roman Elizarov | 9fe5f46 | 2018-02-21 19:05:52 +0300 | [diff] [blame] | 22 | import kotlin.coroutines.experimental.* |
Roman Elizarov | b0517ba | 2017-02-27 14:03:14 +0300 | [diff] [blame] | 23 | |
| 24 | data class Ball(var hits: Int) |
| 25 | |
| 26 | fun main(args: Array<String>) = runBlocking<Unit> { |
| 27 | val table = Channel<Ball>() // a shared table |
Roman Elizarov | 43e3af7 | 2017-07-21 16:01:31 +0300 | [diff] [blame] | 28 | launch(coroutineContext) { player("ping", table) } |
| 29 | launch(coroutineContext) { player("pong", table) } |
Roman Elizarov | b0517ba | 2017-02-27 14:03:14 +0300 | [diff] [blame] | 30 | table.send(Ball(0)) // serve the ball |
| 31 | delay(1000) // delay 1 second |
Roman Elizarov | 8b38fa2 | 2017-09-27 17:44:31 +0300 | [diff] [blame] | 32 | coroutineContext.cancelChildren() // game over, cancel them |
Roman Elizarov | b0517ba | 2017-02-27 14:03:14 +0300 | [diff] [blame] | 33 | } |
| 34 | |
| 35 | suspend fun player(name: String, table: Channel<Ball>) { |
| 36 | for (ball in table) { // receive the ball in a loop |
| 37 | ball.hits++ |
| 38 | println("$name $ball") |
Roman Elizarov | f526b13 | 2017-03-10 16:07:14 +0300 | [diff] [blame] | 39 | delay(300) // wait a bit |
Roman Elizarov | b0517ba | 2017-02-27 14:03:14 +0300 | [diff] [blame] | 40 | table.send(ball) // send the ball back |
| 41 | } |
| 42 | } |