Data in Motion

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====== Overview ======

Eclipse Data Binding solves the [[listener proliferation problem]] in RCP applications by making the flows of data and the business rules governing such flows explicit.

Here are some links:

  * [[eclipse>JFace_Data_Binding|JFace Data Binding]] on the Eclipse Wiki

====== Usage outline ======

To use Eclipse Data Binding, the following path will help you understand the basics:

  * Understand the [[listener proliferation problem]] in RCP applications
  * An [[Extended Observer Pattern]] can help solve this
  * [[Simple Binding|Bind a String property to a Text]]
  * [[Bind an Array or List]] to a [[eclipse>JFace]] Viewer

Once you understand the basics, you need to know about:

  * [[Binding 1-M relationships]] (ie: Customer --> Order --> LineItem)
  * What is an [[IObservableValue]] anyway?  How/when do I create one?
  * [[Field-level validation]]
  * [[Business rule validation]]

Really advanced stuff:

  * [[Binding Non-UI Things]]

Data in Motion

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