Microservices Architecture Patterns | SAGA Choreography Implementation | Live Coding | JavaTechie 

Basant, you work so hard to produce good content for us. The content on this channel is something you don't see on RU-vid. Thanks for your efforts. We don't deserve this free stuff.

Sir , efforts you put in to create these kinda great contents are always appreciated . Thank you 😀

One of the most comprehensive and to-the-point video on implementation of this important MS concept..

For the first time I am seeing someone uploading saga ...it might be of long duration but thanks java techie for such a great content

After very long time I get clear idea about saga . Thank you so much besant

After long time I get to know Full detailed coding explanation for most awaited saga design pattern.tq so much java teachie

This guy must be breathing Java/Spring.. Kudos man

Basant, Good job. Best contents in you tube I have gone through so far. Keep providing us with such amazing tutorials. Thank you

This is pure gold sir. waiting for the orchestration tutorial.

I was searching SAGA implementation from long time. Finally got it. Thanks Java Techie. If possible please create a video on SAGA using orchestration also. Thanks for your efforts. Keep going.

No words for your great efforts and explanation Thank You

As everyone is telling below, You are really champ.. Most importantly, hardly anyone provides such a depth and complex coding session in a comprehensive way. You deserve many likes and subscribers.. Thanks.

I am one of the followers for your session. This session is one of best session from you to watch. But practically, It will take lot of time to understand for beginners. I am facing so confusing about classes and config files creation by you as you have justified with few words about it. overall good. Expecting to give like a 15 to 20 minutes session for each service creation along with explanation. Thank you.

Thank you very much for SAGA implementation video and clear explanation .

Developers want only practical and you are doing the same. Thanks a lot for your efforts and time.

you nailed it .. kudos . No one till date has added any implementation video on Saga Choreography pattern . Waiting for orchestration pattern soon .

Superb explanation with example. Thanks for making it much clear. Waiting for SAGA Orchestration pattern video

Excellent explanation Basant Thank you very much

Great topics in easy explanation, Kudos

Wonderful tutorial with step by step explanation of the underlying concept. Thank you so much for creating such nice content.

Java Techie, your content is awesome. Crisp, clear, easy to understand.

Excellent video as always :) desperately waiting for Saga Orchestration implementation!

awesome tutorial simple and straightforward to understand, thank you for uploading such great content.

Basant Great job.. It's truly helpful.. Please provide saga orchestration pattern also..

Eagerly waiting for the next video from the same series...🔥

Excellent video👌, thank you basanth.waiting for orchestration saga video.

Thanks Basant for this .. really helpful !

Its absolutely brilliant. Buddy, you are probably the one who can develop such complex microservices program in the most intelligent way where you are never much unnecessarily verbose.

Excellent tutorial , thank you so much JavaTechie :)

Your content and explanation is awesome. Your efforts spent in learning the technology can be seen from your teachings. Thanks for creating such nice topics into detail. All the best

Great one !! Thank You. Eagerly waiting for the orchestration pattern.

Very detailed video ... Good job

Hats off to your effort .. please make a video on 2- phase commit

Hello Bro you are always great. extraordinary explanation... fantastic, mind blowing..

Awesome stuff, hats-off to your efforts. Thanks a ton.....

You are awesome bro … All your videos really helping to build my career well…. I can’t say anything other than I’m thankful to you… Keep it up and keep helping guys like me 😃

Great Thanks for your efforts and providing this content for us without any cost !!!

thank you. can understand easyly.

Thanks Javatechie I always respect knowleadge you share. I hope you can share parallel consumer in kafka with this example . Thank you for every think.

Amazing content sir. Hats off to the efforts.

As always very nicely explained.

great effort bro. keep going, please. highly appreciated your work

Thanks a lot, I have never seen these type of good content on you tube ,thanks again , can you please make a video on orcharastration saga pattern, also please include how to create compensation transactions, when order fails ,how payment will be refunded , Pleaseee

8:35 here you can use @Data for same thing use those 2 props final It will generate same thing which you expect

I think at 53:30 there should be 2 updates within the map() One for userBalanaceRepositiry to save the new price after deduction and One for userTransactionRepository to save the user transaction on successful payment.

Awesome thanks

great Video..! thank you so much.!

Thank You so much. Kindly make video for Orchestration pattern too

Great one, Request you to make video on orchestration design pattern

Excellent content

You are awesome

@Java Techie, SAGA is primarily used in distributed environments in order to control & channelize the local transaction in sync with other services. It would have been better if you have used microservices, as the multimodule project defeat the purpose of SAGA. All the modules are executing locally, there isn't any distributed environment concept here. Overall a good start but a little confusing for those who are actually looking for Saga choreography using microservices in a distributed environment.

Basant, If possible can you please create a example for orchestration as well and explain the differences between choreography and orchestration like pros and cons of using one over other. As usual thanks a ton for simplifying our understanding with your presentation.

explained well, but if you explained with debug at the end(for one transaction)it would be so better

Thanks Sir, just wanted to share if possible please try to explain why things for like what is this and why we are doing like this I know sir you are investing too many effort in this and thanks for the Java training Sir

Excellent content Basant

@Java Techie Thanks for helping so many of us out. Actual Saga implementation is really rare to see. Although my feeling is to use a framework like Axon or Camel, instead of our custom code, what do you think?

Thanks for sharing.. 💯❤❤

awesome content

If you use @Data without others like @Builder then you no need to use @NoArgsConstructor @Data itself create apropriate required constructor I mean if you add single final property menas it will create single arg constructor You can check additional info on it's source code, but in annotation code it extends used annotation on that annotation insted of extended thing

Great. Thanks for your effort. Could you please provide implemetation of Saga orchestrator design pattern.

It is really helpful tutorial. Looking forward similar kind of tutorial for SAGA Orchestration. Also any suggestion of certification or course for Java Technical Architect role ?

Nice tutorial. looking for orchestration implementation part .

Have you considered Spring boot starter Grpc...Reactive library. I appreciate this tutorial, quite intensive...thumbs up

This is an amazing video. Learnt a lot from this. I thank you wholeheartedly for making this. Would you make a video which shows event sourcing with CQRS?

Excellent video! How do you do to manage async response towards front end? Thank you

Thanks , very helpful. As I know it is orchestration pattern, becuase there is a mediator among microservices. Isn't is? Choreography pattern consider direct interaction between microservices.

Great video. But I have a question. Why haven't you used SAGA concepts like compensating transactions, Saga Execution Coordinator (SEC) etc? I though spring provides Axon Saga library to implement SAGA. What is the use case of Axon Saga then?

need video for orchestration type.. good job

@Java techie, good content. If you could implement distributed tracing for Choreography Implementation, that would be of great help.

many thanks ...

you need to make a simple flow first, then add more feature, then easy to more understand than....

Can we implement Saga Pattern without Kafka and reactive programming , Its little difficult to understand

Why do you use Spring Cloud Stream instead of Spring Kafka Basic, please explain, thank you very much.

Please do the video for archestration implementation also in saga

Excellent explanation Basant, but in case of transaction failure why we are getting order created message, it should be order failed or something different, because in both the cases we are getting same response message

Really inspiring.. not at all easy Basant. Wondering what's the source of motivation and reference you do?

Basant, thank you for your video. What happens if the Payment service successfully deducts the amount, but the processing of the payment completion message by the Order service fails due to an exception or Kafka being down? This situation does not ensure complete atomicity in the distributed transaction. However, we can verify it in the payment_status field in the purchase order table, but the user's balance is still deducted.

Sir, pls make tutorial about spring-security-oauth2-authorization-server:0.1.2 with grant_type client_credentials and password. Thank u about this great video

Why you are not using a 'JPA buddy' and 'POJO generator' plugins for generate entities, dtos, repositories and lombok annotations?

Thanks a lot for this nice and easy to follow example, I learned a lot about the functional style approach to the saga pattern. I only noticed that at minute 27:35 you defined functions under spring.cloud.stream.function but I think they should be defined in spring.cloud.function, am I correct?

Hi Basant , you have outstanding knowledge yar, how much your age? You should have above 1 Cr package in current market bro....

Can you explain All the microservices design patterns.

Awesome tutorial buddy. Can we implement this using latest boot version 3.1.2?

why are you setting id back in order dto when it will be auto generated while inserting!

Could you please upload the orchestration tutorial as well.Waiting for it. Thanks.

Need video for how to make multiple eureka discovery instances for microservise 💚

I learnt not just different technologies but many techniques seeing your coding methodology...thank you very much Basant..I am just curious to know if you are a corporate employee or a free lancer..

Thanks Java Techie for the video, is the order service a sync or asynch service ? What do we do in case our service needs to be a sync service?

Will you need database for this? Which database you use Postgre, H2, etc?

superb

Hi I tried this. I am able to run both MS but not able to connect to kafka. Kafka is up and topics are created already. Also, able to call the /order/create api but it is not publishing to Kafka(able to save in order table).

Java Techie Can you make a video for Orchestration one, pls?

Hi techie, ur subject is nice, if you are conducting online classes , please let us know..

I am having a little bit of a problem. So we're working on a multi-module kinda structure but we have the common module. So starting order service the way you're doing creates issues for me because I cannot use the OrderRequestDTO and other classes because the common-module isn't loaded. Pls help out

Will you also need Kafka? Where to download the Kafka? @Java Techie

Can somebody explain why kafka is used? I believe a message queue like Rabbitmq would be better for this purpose because it manages the sequence, whereas kafka does not.

Thanks for the content! How could we get control over configuration like ack?

Hi Basant, First of all I am thankful for sharing such an excellant exlaination, I have implemented whole project as you have explained in you above video like created whole application via following up then I install kafka and topics are also visible in OffsetExplorer 2.2 and kafka same version as you shown in application. But facing issue : like I am seeing the messages in OffsetExplorer but Consumer from Payment module is not notifying the OrderEvent. What could be the reason? Please advice I will be thankful to you. And one more thing where saga is implemented in this tutorial?

what if we has inventory module how it will handle the data consistency??