Reactive Schedulers in Spring Webflux | Reactor execution model | subscribeOn vs publishOn operator

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#ReactiveProgramming #Schedulers #publishOnVsSubscribeOn
In this video, I have explained the Reactor execution model along with different reactive Schedulers. I have explained different types of Scheduler (immediate, single, parallel, elastic, boundedElastic) and its real use case. Also demonstrate how to change the execution context using different operators (subscribeOn, publishOn, runOn). I have covered the differences between subscribeOn, publishOn, and runOn operators.
Stay tuned.....
Happy Coding :)
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Опубликовано:

27 сен 2024

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Комментарии : 27

@GodOfGizmos 4 года назад

Thank you, I have followed your playlist about reactive programming. It is very useful, really appreciate your help. Your channel will soon grow, Keep posting such videos.

@Engineerhoon 4 года назад

Awesome! Thanks for the love and support. :)

@НикитаКорнюхин-я6щ Год назад

What an amazing video! So clearly explain such muddy theme! Thank you a lot!

@Engineerhoon Год назад

Glad you enjoyed it!

@kubickrock572 Год назад

Thank you man! Great explanation.

@Engineerhoon Год назад

You're welcome! Glad it was helpful.

@theNikki1 Год назад

Hi and thanks for the video, one question around 14:30 you introduce example where Mono is subscribed to run on elastic scheduler using publishOn method. around 17:00 you introduce the same Mono but instead of publishOn you scheduled it to be ran via subscribeOn. Why the example with publishOn isn't requiring the sleep (at the end of the test) to prevent the JVM from exiting?

@Engineerhoon Год назад

I have explained the reason for it. Please watch it once again. It depends on the type of thread used for execution. For main thread execution no sleep required whereas if the execution is on another thread then main thread needs to be blocked. Try it out for better understanding. Let me know if that helps.

@amitanand1659 3 года назад

Good Work , Keep it up . Thanks

@Engineerhoon 3 года назад

Welcome 🙃

@sandeepkumar-bl8jb 4 года назад

Nicely explained

@Engineerhoon 4 года назад

Thank you. Please share this video for better reach. Stay tuned more videos are coming soon!

@sandeepkumar-bl8jb 4 года назад

@@Engineerhoon please create more videos on spring reactive

@Engineerhoon 4 года назад

@@sandeepkumar-bl8jb Sure. Thanks for your suggestion.

@annapureddyravi4054 9 месяцев назад

Thank you so much brother ..realy explaining very well

@Engineerhoon 9 месяцев назад

Glad it was helpful.

@nitinvarshney9723 2 года назад

Hi, i am trying to write a code where request comes to the rest controller and controller calls a helper. Helper internally calls a validator for validating the request. Suppose request has a list of string that I want to validate with the list present in db. I do have a repository that returns Flux of String. problem is i am not able to block the code to validate and return a mono. Tried publishOn to go into different thread to make the validation but looks like it is not helping. Below is the piece of code of validator method private Mono validateBooks(List books) { return bookManager.getAllBooks() .publishOn(Schedulers.boundedElastic()) .map(bookDTO -> bookDTO.getId()) .collectList() .flatMap(booksList -> Mono.just(booksList.stream().allMatch(book -> booksList.contains(book)))) .doOnNext(System.out::println) .flatMap(isValid -> { if(!isValid){ return Mono.just(new ErrorBean(40001, "book id do not match")); }else{ return Mono.empty(); } }); }

@tahonaPL 4 года назад

Great explanation thx.

@Engineerhoon 4 года назад

Welcome!

@PaoSan-hp5tf 6 месяцев назад

Thanks so much for very clear and good explaination

@Engineerhoon 6 месяцев назад

Glad it was helpful.

@jagannathsahu1087 3 года назад

Thanks. What is default sceduler and on exact what requirrement we can use these schedulers. I didn't find out the scenarios for different use cases. However the video is very explanatory and understandable. Thanks

@Engineerhoon 2 года назад

Default runs on the main thread