# Best Practices and Patterns

Author: Eike Stepper

This chapter covers best practices, recommended usage patterns, and common pitfalls for CDO client application programmers. Following these guidelines will help you build robust, maintainable, and efficient CDO applications.

## 1 Error Handling Strategies

Effective error handling is crucial for building resilient applications. This section discusses strategies for managing exceptions, validating input, and ensuring graceful recovery from failures in CDO client code.

## 2 Recommended Usage Patterns

Learn recommended patterns for session management, transaction handling, resource loading, and event processing. These patterns are based on real-world experience and help avoid common mistakes in CDO client development.

## 3 Common Pitfalls

Avoid frequent mistakes and issues encountered by CDO application programmers. This section highlights common pitfalls, such as improper resource management, incorrect transaction usage, and misunderstanding of CDO's concurrency model.

Copyright (c) 2004-2025 Eike Stepper (Loehne, Germany) and others.
All rights reserved. This program and the accompanying materials are made available under the terms of the Eclipse Public License v1.0 which accompanies this distribution, and is available at http://www.eclipse.org/legal/epl-v10.html