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Configuration

This is a draft document - it can be changed at any time by anyone.

Overview

The application framework will require a configuration file. The current XML files used to configure localization, logging, security, data source, and services can be combined into a single file.
The configuration implementation will support a configuration file that is located anywhere - by specifying the file location during application start-up.

Design Goals

  • Single framework configuration file - located anywhere.
  • Supports lazy-loading of the configuration file.
  • Supports run-time reloading of the configuration file (via JMX).
  • Thread-safe.

Basic Architecture

  • Library: OFBiz Configuration
  • Java package name: org.apache.ofbiz.foundation.config

Apache Commons Configuration was considered as the implementation library, but the Java objects it creates are not thread-safe. Thread-safe objects are a requirement because OFBiz is multi-threaded. Therefore, configuration will be implemented using a custom library - and that library design will be based on lessons learned from the OFBiz project.

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