Chris Muir

With the huge amount of sessions at Oracle Open World, it’s often hard to find the little gems of information amongst all the marketing. This is true of ADF like all other technologies at the conference, there’s simply a lot of information to digest and filter. Luckily Oracle publishes the presentations PPTs afterwards and it’s possible to find a jewel or two in all the content with some careful searching. For the ADF developers among us, this blog post attempts to summarize some of the main ADF takeaways from Oracle Open World 2011. Please remember this is my summary, not Oracle’s (I am not an Oracle employee), and Oracle publishes all of this content under the Safe Harbor statement which means they cannot be held to anything they published. All the links in this post are not guaranteed to be up forever as Oracle may remove them in the near future. I suggest if you'r... (more)

Programmatic Activation - Part 2

The previous blog post in this series looked at the default behaviour of the ADF framework in 11.1.1.4.0 of the af:region tag embedded in a af:showDetailItem tag. In this post we'll look at programmatically controlling the activation of regions to stop unnecessary processing. This example will be simplified to only look at one af:region in the hidden second af:showDetailItem. The basic page entitled ShowDetailItemWithRegion looks as follows: more)

An ADF Logic Bomb

One of my talented colleagues discovered an interesting ADF logic bomb which I thought I'd share here. The issue is with the instantiation order of ADF Faces scoped beans in JDev 11g when using Bounded Task Flows embedded as regions in another page. Regular readers would be familiar with the fact that Oracle's ADF solution is built on top of JavaServer Faces (JSF). ADF supports bean scopes such as ViewScope, PageFlowScope and BackingBeanScope on top of the regular JSF ApplicationScope, SessionScope and RequestScope beans. Readers should also be familiar that the beans have a defi... (more)

Apache Ivy and JDeveloper Integration

As software applications grow, a common technique to reduce the complexity is to break the overall solution into separately built and deployed modules. This allows each component to be worked on independently without being overwhelmed with detail, though the cost of reassembling and building the application is the trade off for the added flexibility. When modules become reusable across applications the reassembly and build problem is exasperated and it becomes essential to track which version of each module is required against each application. Such problems can be reduced by the... (more)

JDev 11.1.2.0.0: The Power of Facelets – Part 3

The previous blog posts in this series (part 1 and part 2) looked at the behaviour of the af:region tag embedded in a af:showDetailItem tag with JDeveloper 11.1.1.4.0. This post investigates the changing nature of the "deferred" activation property for the underlying af:region task flow binding in JDev 11.1.2.0.0. JDeveloper 11.1.2.0.0 introduces JSF 2.0 and Facelets as the predominate display technologies for ADF Faces RC pages. As Oracle's JSF 2.0 roadmap for ADF states: "The introduction of Facelets addresses the shortcomings of JSP and improves the developer page design and r... (more)