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Tag Archives: EJB

The Java EE 6 Example – Galleria – Part 3

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The previous posts ( Part1 | Part 2 | Part 3 | Part 4) about the Galleria example guided you through the basics and the initial deployment to both GlassFish and WebLogic. From today on I try to add some enterprise grade features to it as I have seen them requested a lot in my own projects. I know Vineet ...

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The Java EE 6 Example – Galleria Part 2

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You probably followed me with the last Java EE 6 Galleria example posts. The first one was the basic introduction. The second one was about running it on latest GlassFish. Someone of the RedHat guys mentioned, that we should look into bringing this example off from GlassFish. Great ;) Thanks for the nice idea. That is exactly what we are ...

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EJB Lookup in a Vaadin Application

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It has been a long time since the last Service Locator I have implemented. I thought it wouldn’t be necessary anymore considering the maturity of the Java EE CDI (Contexts and Dependency Injection). My first implementation was to make use of EJBs in a Struts-based web application. After that, I started working with JSF, which only requires annotated attributes with ...

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EJB 3.1 Global JNDI Access

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As outlined in the previous parts of this series, the major drawback of the EJB v. 3.0 Specification was the lack of portable global JNDI names. This implies that there’s no portable way to link EJB references to a bean outside your application. The EJB v. 3.1 Specification fills this gap defining, in its own words: “a standardized global JNDI ...

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EJB Programmatic Lookup

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In our previous post we learnt about EJB references and EJB injection. Even though EJB injection is a powerful container facility that eases modular application development, sometimes performing a programmatic EJB lookup is instead desirable. Let’s suppose, for example, that a set of distinct EJBs implement a common strategy, defined by a common business interface. Depending on the result of ...

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Basic EJB References, Injection and Lookup

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In the first part of this series we’ve introduced the mechanisms provided by the Enterprise JavaBeans v. 3.0 Specification to define EJB components, declare a reference to an EJB and wiring them up both by dependency injection or programmatic JNDI lookup. In this blog post we’ll examine some basic examples to understand how to use the EJB API. A Basic ...

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An Introduction to EJB 3.0 Injection and Lookup

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Introduction The Enterprise JavaBeans Specification v. 3.0 introduces a simplified, annotation based API for EJB injection and lookup. EJB 3.0 are now POJOs and can be injected in other components (such as EJBs and Servlets) using simple annotations. EJB 3.0 is one of many other POJO-based specifications that made it to Java EE 6, such as JSR-229 “Contexts and Dependency ...

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GWT EJB3 Maven JBoss 5.1 integration tutorial

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Hello everyone, In this article we are going to demonstrate how to properly integrate GWT and EJB3 in order to implement an example project, build it using maven and deploy it on JBoss 5.1 application server. Actually you can easily change the dependencies in the maven build file and deploy the project in your favorite application server. In order to be as generic as possible we will ...

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