Ex5.kt

/*
* Learn-Rx
*
* Copyright (c) 2021 Joseph James
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
import io.reactivex.rxjava3.disposables.CompositeDisposable
import io.reactivex.rxjava3.kotlin.subscribeBy
import io.reactivex.rxjava3.subjects.BehaviorSubject
import io.reactivex.rxjava3.subjects.PublishSubject
import io.reactivex.rxjava3.subjects.ReplaySubject
import util.*

fun main(args: Array<String>) {
    exampleOf("Publish Subject") {
        val compositeDisposable = CompositeDisposable()
        val seasonBroadcast = PublishSubject.create<String>()
        seasonBroadcast.onNext(Season1)
        seasonBroadcast.onNext(Season2)
        val subscriber1 = seasonBroadcast.subscribeBy {
            println("Subscription from subscriber 1 , data = $it")
        }

        compositeDisposable.add(subscriber1)

        seasonBroadcast.onNext(Season3)
        seasonBroadcast.onNext(Season4)
        seasonBroadcast.onNext(Season5)
        seasonBroadcast.onNext(Season6)
        seasonBroadcast.onNext(Season7)
        seasonBroadcast.onNext(Season8)
        seasonBroadcast.onNext(Season9)
        compositeDisposable.dispose()

        seasonBroadcast.onNext(Season10)

    }

    exampleOf("Publish Subject sudden completion") {
        val compositeDisposable = CompositeDisposable()
        val seasonBroadcast = PublishSubject.create<String>()
        seasonBroadcast.onNext(Season1)
        seasonBroadcast.onNext(Season2)
        seasonBroadcast.onComplete()
        val subscriber1 = seasonBroadcast.subscribeBy(onNext = {
            println("Subscription from subscriber 1 , data = $it")
        }, onComplete = {
            println("sudden completion")
        }
        )

        compositeDisposable.add(subscriber1)

        seasonBroadcast.onNext(Season3)
        seasonBroadcast.onNext(Season4)
        seasonBroadcast.onNext(Season5)
        seasonBroadcast.onNext(Season6)
        seasonBroadcast.onNext(Season7)
        seasonBroadcast.onNext(Season8)
        seasonBroadcast.onNext(Season9)
        compositeDisposable.dispose()

        seasonBroadcast.onNext(Season10)

    }

    exampleOf("Behaviour Subject") {
        val compositeDisposable = CompositeDisposable()

        val sendBroadcast = BehaviorSubject.createDefault(Season1)

        val sub1 = sendBroadcast.subscribeBy(onNext = {
            println(it)
        }, onComplete = {
            println("completed 1")
        })

        compositeDisposable.add(sub1)
        compositeDisposable.clear()

        sendBroadcast.onNext(Season2)
        val sub2 = sendBroadcast.subscribeBy(onNext = {
            println(it)
        }, onComplete = {
            println("completed 2")
        })

        compositeDisposable.add(sub2)
    }

    exampleOf("Behaviour Subject Sudden Completion") {
        val compositeDisposable = CompositeDisposable()

        val sendBroadcast = BehaviorSubject.createDefault(Season1)
        sendBroadcast.onComplete()
        val sub1 = sendBroadcast.subscribeBy(onNext = {
            println(it)
        }, onComplete = {
            println("completed 1")
        })

        compositeDisposable.add(sub1)
        compositeDisposable.clear()

        val sub2 = sendBroadcast.subscribeBy(onNext = {
            println(it)
        }, onComplete = {
            println("completed 2")
        })

        compositeDisposable.add(sub2)
    }
    exampleOf("Replay subject") {
        val compositeDisposable = CompositeDisposable()

        val subject = ReplaySubject.create<String>(2)

        subject.onNext("event 1")
        subject.onNext("event 2")

        compositeDisposable.add(
            subject.subscribeBy {
                println(it)
            }
        )

        subject.onNext("event 3")

    }

}