LDAP Triggers- A Framework for Sun Java System Directory Server 
by Nicola Venditti
February, 2004
This article describes how to implement SQL-like triggers in a Sun Java System Directory Server. The example scenario shows how to extend the server using the Plug-in API. This article is primarily directed at expert developers and architects who want to understand issues related to developing and deploying the Sun Java System Directory Server extension, implemented with plug-ins and extended operations.