New PDF release: Real World Java EE Night Hacks - Dissecting the Business

By Adam Bien, Kinga Bien, Karen Perkins, James Gosling

ISBN-10: 0557078326

ISBN-13: 9780557078325

The unusually winning e-book genuine global Java EE Patterns—Rethinking most sensible Practices [press.adam-bien.com] discusses the rethinking of legacy J2EE styles. Now, actual global Java EE evening Hacks walks you thru the Java EE 6 most sensible practices and styles used to create a true international software known as “x-ray.” X-ray is a high-performance web publication records program equipped with not anything yet vanilla Java EE 6 leveraging the synergies among the JAX-RS, EJB 3.1, JPA 2, and CDI 1.0 APIs.

Foreword via James Gosling, Father of Java

Topics coated include:

A short advent into the middle ideas of Java EE 6 (EJB 3.1, CDI, JPA, JTA,Dependency Injection, conference over Configuration, interceptors, transactions, relaxation) utilizing actual international code
-Unit and integration checking out of Java EE 6 functions utilizing JUnit and ScalaTest
-Using interceptors for functionality measuring and monitoring
-Creating mocks with Mockito for EJB 3.1, CDI, JPA, and JAX-RS
-Developing embedded integration assessments with Arquillian
-Productive use of JAX-RS, Contexts and Dependency Injection, EJB 3.1, and JPA
-RESTful providers and relaxation consumers with Java EE 6
-Convention over Configuration with Java EE 6
-Effective part configuration with CDI and conference over Configuration
-Plug-in implementation with CDI
-Transactional pub/sub with no JMS according to CDI and EJB 3.1
-Continuous integration with Maven three, Mercurial/Git, and Hudson/Jenkins
-Implementing configurable timers and asynchronous batch processing
-Eventual consistency and high-performance deferred writes with Java EE 6
-Real-time purchaser and server tracking with JMX and REST
-Functional checking out with FitNesse
-Performing tension and cargo tests
-Simplest attainable, yet maintainable, Java EE 6 layout and architecture

Real global Java EE evening Hacks—Dissecting the enterprise Tier will gain skilled builders and designers drawn to code, no longer PowerPoint slides :-).

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Additional resources for Real World Java EE Night Hacks - Dissecting the Business Tier

Example text

NewCachedThreadPool returns a “breathing” ExecutorService. This particular conﬁguration would ﬁt our needs perfectly. The amount of threads is automatically adapted to the current load. Under heavy load, more threads are created. After the peak, the superﬂuous threads get destroyed automatically. This behavior is realized internally—there is no need for developer intervention. The newCachedThreadPool builder method comes with one serious caveat: The creation of threads is unbounded. A potential blocking of the communication layer (for example, Sockets because of TCP/IP problems) would lead to the uncontrolled creation of new threads.

Don't Test Everything Unit tests are very capable of ﬁnding trivial bugs and misconceptions quickly. At conferences, in blogs, in articles, and in Ivory Towers, 80+% code coverage seems to be a well-established standard. Using code coverage as a metric is fun in my case (I’m also in the role of the quality assurance department :-)), but it can be very destructive in bigger corporations. Forcing developers to conform to a code coverage statistic causes extensive testing of trivial stuff ﬁrst. Especially in J2EE projects, you could achieve remarkable code coverage with testing of indirections, layering, and dumb data transfer objects (DTOs), without even touching the actual business logic.

The server has access to the entire metadata and can perform arbitrary ﬁltering. The client remains responsible for metadata extraction and communication only. Don't Test Everything Unit tests are very capable of ﬁnding trivial bugs and misconceptions quickly. At conferences, in blogs, in articles, and in Ivory Towers, 80+% code coverage seems to be a well-established standard. Using code coverage as a metric is fun in my case (I’m also in the role of the quality assurance department :-)), but it can be very destructive in bigger corporations.

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