Entity Framework Core in Action, Second Edition

12 Using entity events to solve business problems

This chapter

• Understanding the types of events that work well with EF Core
• Using domain events to trigger extra business rules
• Using integration events to synchronize two parts of your application
• Implementing an Event Runner and then improving it

In software, the term event covers a wide range of architectures and patterns. Generally, it means “Action A triggers action B.” You saw some C# events in chapter 11, such as events in which an entity state changes (section 11.4.4). But this chapter is about another, quite different type of event, which I call an entity event because it is held in your entity classes. Using an entity event is like putting a message in the entity class for someone ...