reactive/kotlinx-coroutines-rx2/test/guide/example-reactive-basic-05.kt

/*
 * 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 kotlinx.coroutines.experimental.rx2.guide.basic05

import io.reactivex.schedulers.*
import kotlinx.coroutines.experimental.*
import kotlinx.coroutines.experimental.rx2.*
import kotlin.coroutines.experimental.*

fun main(args: Array<String>) = runBlocking<Unit> { 
    // coroutine -- fast producer of elements in the context of the main thread
    val source = rxFlowable(coroutineContext) {
        for (x in 1..3) {
            send(x) // this is a suspending function
            println("Sent $x") // print after successfully sent item
        }
    }
    // subscribe on another thread with a slow subscriber using Rx
    source
        .observeOn(Schedulers.io(), false, 1) // specify buffer size of 1 item
        .doOnComplete { println("Complete") }
        .subscribe { x ->
            Thread.sleep(500) // 500ms to process each item
            println("Processed $x")
        }
    delay(2000) // suspend the main thread for a few seconds
}