Searching with Repositories What is a repository? Repositories give service requestors the ability to perform create, read, update, and delete (CRUD) operations on entities or a list of entities. A repository is an example of a service contract, and its implementation is part of the domain layer. Repository state A repository should be stateless after instantiation. This means that every method call should not rely on previous calls nor should it affect later method calls. Any field contained in the repository class must also be stateless. If your repository needs to provide functionality that requires state, such as for caching, use the registry pattern. A good example that uses this pattern…