Titlebook: Beginning Java EE 7; Antonio Goncalves Book 2013 Antonio Goncalves 2013

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Networks and their Applicationsx. In this age of globalization, companies are distributed over continents, they do business 24/7 over the Internet and across different countries, have several datacenters, and internationalized systems which have to deal with different currencies and time zones—all that while reducing their costs,

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Networks and their Applicationsrent problems (injection, alternatives, stereotypes, producers . . .) that developers have in their day-to-day job. Validating data is also a common task that is spread across several, if not all, layers of today‘s applications (from presentation to database). Because processing, storing, and retrie

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https://doi.org/10.1007/978-1-4612-4226-0columns. I also introduced configuration by exception which allows the JPA provider to map an entity to a database table using all the defaults. But defaults are not always suitable, especially if you map your domain model to an existing database. JPA comes with a rich set of metadata so you can cus

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https://doi.org/10.1007/978-1-4612-4226-0 attributes, but they are not made to represent complex tasks, which often require an interaction with other components (other persistent objects, external services, etc.). The persistence layer is not the appropriate layer for business processing. Similarly, the user interface should not perform bu

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Understanding Interactive Media,need to interact with a back-end system, navigate through other pages, and also validate and convert data. JSF is a rich specification: backing beans allow you to invoke the business tier and to navigate in your application. A set of classes allows you to convert component values to and from a corre