Originally, the application server tier was introduced for improved scalability, but specifically around managing the connection pool to the database. Increasing numbers of clients (when each had its own user/account for connecting to the database) caused problems. Luckily, most web applications side...
Update:The next post in this series is now onlinehere. My previous post onhow to create fully encapsulated domain modelsintroduced the concept of events as a core pattern of communication from the domain back to the service layer. In that post, I put up enough code to get the idea across...
Update:The next post in this series is now onlinehere. My previous post onhow to create fully encapsulated domain modelsintroduced the concept of events as a core pattern of communication from the domain back to the service layer. In that post, I put up enough code to get the idea across...