## JBoss AOP Aspect Library

- Transactions

- Transaction Demarcation
- Transaction Injection
- Transactional Locking

- Security

- XML Configured Security
- Annotation Configured Security: JDK 1.4
- Annotation Configured Security: JDK 5.0

- Gang of Four Patterns

- Observer/Observable

- Asynchronous Aspect
- Remoting
- Clustered Remoting
- Threadbased Aspect
- Read-Write Lock Aspect
- JBossCache
- Design by Contract