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< Scout
Revision as of 13:02, 16 June 2010 by Unnamed Poltroon (Talk) (Logging)



Scout architecture overview.png

Main Parts of a Scout Project

Client,shared,swt,server Equinox client server

Client / Server Communication

Service Tunnel

Proxy services, Service Factories Entry point server (servlet) Outgoing point client

Message Structure

Base64 encoded Serialized objects

Session Handling




Client Concepts

Separation of UI and GUI

Scout gui representation.png

Job Queue

Component Model

Client components.png

Client Session

The client session is the main entry point for client-server communication.


The desktop is the entry point of every Scout client application. It can (may) consist of top-level menus, active message box stack, set of available outline, active outline, active tableview, active detail form, active search form, form stack (swing: dialogs on desktop as JInternalFrames; eclipse: editors or views), dialog stack of modal and non-modal dialogs (swing: dialogs as JDialog, JFrame; eclipse: dialogs in a new Shell).


Typically a Desktop holds multiple outlines. They represent different entry points for the navigation within the application. For every outline a tree is available which allows navigating within the application.


A form is both a model structure of a ui concept known as dialog or view and also a model of a wizard page. Wizard buttons are added automatically to the main box if missing.

Form fields

Form fields are the basic elements for user inputs fiels within a form. Examples are:

  • TextField
  • SmartField
  • NumberField
  • DateField
  • FileChooser
  • ListBox
  • TreeBox
  • CheckBox
  • RadioButton
  • ToogleButton

Futhermore there exists composites fields like:

  • GroupBox
  • TabBox
  • SequenceBox
  • SnapBox
  • RangeBox
  • RadioButtonGroupBox


The menu component include all links, functionalities, etc... available within the application.


Tool component is used for grouping or dividing different views. This can be used for building business views on datas or just structuring your own application.


Wizards support a user to work in a process driven approach on a task.

Server Concepts

Server Side Equinox

Jetty, ServerApplication as Startup Point

Transaction Handling


SQL Support

Statement Builder


Authentication and Authorization


Security Filters


Describe the Permisssion Classes, the permission store, ACCESS....





  • How is the logger configured?
  • How is the log level changed? How are exceptions for single classes defined (log level is warn, except for class XY?
  • How do I get the fired SQLs (including binds) in my log output?
  • Changing the Logger
    Change the logger to Log4j or something else.

Scout Services

Scout services.png



Client Notification

Scout SDK

Idea Behind Scout SDK

Main Features

Building Forms and Outlines

Generation of DTOs (form data, field data)

NLS Editor

Support for Webservices

Architecture of Scout SDK

Describe how JDT and PDE is used

Back to Scout

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