| /* |
| * Copyright 2016-2017 JetBrains s.r.o. |
| * |
| * 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. |
| */ |
| |
| // This file was automatically generated from coroutines-guide-reactive.md by Knit tool. Do not edit. |
| package guide.reactive.operators.example03 |
| |
| import kotlinx.coroutines.experimental.channels.* |
| import kotlinx.coroutines.experimental.* |
| import kotlinx.coroutines.experimental.reactive.* |
| import kotlinx.coroutines.experimental.selects.* |
| import org.reactivestreams.* |
| import kotlin.coroutines.experimental.* |
| |
| fun <T, U> Publisher<T>.takeUntil(context: CoroutineContext, other: Publisher<U>) = publish<T>(context) { |
| this@takeUntil.openSubscription().consume { // explicitly open channel to Publisher<T> |
| val current = this |
| other.openSubscription().consume { // explicitly open channel to Publisher<U> |
| val other = this |
| whileSelect { |
| other.onReceive { false } // bail out on any received element from `other` |
| current.onReceive { send(it); true } // resend element from this channel and continue |
| } |
| } |
| } |
| } |
| |
| fun rangeWithInterval(context: CoroutineContext, time: Long, start: Int, count: Int) = publish<Int>(context) { |
| for (x in start until start + count) { |
| delay(time) // wait before sending each number |
| send(x) |
| } |
| } |
| |
| fun main(args: Array<String>) = runBlocking<Unit> { |
| val slowNums = rangeWithInterval(coroutineContext, 200, 1, 10) // numbers with 200ms interval |
| val stop = rangeWithInterval(coroutineContext, 500, 1, 10) // the first one after 500ms |
| slowNums.takeUntil(coroutineContext, stop).consumeEach { println(it) } // let's test it |
| } |