Category: Exams of ASP.NETPage 2 of 3
The test program setup is composed of the following: Once again, the names of the participants are randomly generated. The TestMessageWriter implementation is a little different and accumulates…
We cover ways to organize commands and queries in subsequent chapters. Let’s start with the JoinChatRoom feature: public class JoinChatRoom{ public record class Command(IChatRoom ChatRoom, IParticipant Requester) :…
Context: We need to build an improved version of our chat system. The old system worked so well that we need to scale it up. The mediator was…
As we explored in the two preceding projects, a mediator allows us to decouple the components of our system. The mediator is the middleman between colleagues, and it…
The ChatRoom class is slimmer than the User class. It allows participants to join and sends chat messages to registered participants. When joining a ChatRoom, it keeps a…
In the previous code sample, we named the classes after the Mediator pattern actors, as shown in Figure 14.7. While this example is very similar, it uses domain-specific…
That class could hardly be simpler: it takes a name and an IMessageWriter<TMessage> implementation when created, then it stores a reference for future use.The IMessageWriter<TMessage> interface serves as…
The Mediator pattern is another GoF design pattern that controls how objects interact with one another (making it a behavioral pattern). Goal The mediator’s role is to manage…
Before you begin: Join our book community on Discord Give your feedback straight to the author himself and chat to other early readers on our Discord server (find…
It is pretty straightforward but creates a strong bond between the generated class and its consumers. You can use those static methods if having a hard dependency on…