34. Design Online Auction System with Mediator Design Pattern | Low Level System Design

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[bhaskarsharan]

Can we generalise that if in a system, we have N actors(who are user of system), performing any activity, such that anyone's activity might affect any other's activity(either change in UI, or revoking permission to land), then we need a common Controller for those systems and that can be implemented using mediator design pattern?

[developerway]

Hi Shrayansh, in the main method we need to add the bidders in the auctionMediator's list for working this in action, I think we missed adding it, BTW amazing video. Thanks.

[santoshgupta]

Hi Shrayansh, Why do we not consider the data models when designing the class diagrams ?

[hunkariesful]

Keep it up bro, you gave a very nice explanation for mediator vs observable vs proxy, and yes of course the very nice explanation for the mediator design pattern with a live code example for the auction system ;)

[leejames]

I feel it is more appropriate to say Auction Mediator has bidders to describe the class relationship. As in your design, the AuctionMediator class has bidder array but bidder class does not have attribute for auction mediator

[anishkhullar]

HI, Will it be possible to have all the design patterns videos placed at 1 place . i am finding it very difficult to search them in your channel .

[modernsanskari]

Hi Bro,
Your Youtube content is awesome with all the UML and code snippets. Can you please share the drive link or collaborated link/github link where we can view all design patterns UML, code snippets for better visualization, understanding and comparision between all patterns.
By the way, which tool you are using for creating this UML diagrams. Can you pls tell us.
Thanks

[mounikaallagadda]

Instead of maintaining list of colleagues, isn't it better if we maintain a map of colleagues with their bid amount. Because we are nowhere storing the bid amount.

[ashishchoksi]

looks like it is similar to observer pattern?

[xacademia]

Kya yeh byech interviews mein poochhte hain ?

[sarkar_]

Sir why the java playlist videos are made members only? some days ago they were open for everyone!!!

[uditagrawal]

Isn't it very similar to observer design pattern where the difference is the source of event, in observer design pattern it's might be an outside event whereas in mediator it's one observer is responsible for other observers events.

[srikantsahoo]

why did we make an interface colleauge here ??

[thelifehackerpro]

I think in this example we used both mediator and observable pattern