Extensions

The rules deployed on a system out of the box are not permanently fixed. New rule packages can be installed at any time by a system administrator.

Extension packages

Extension packages are stored in a zip file containing a manifest that explains the attributes of any new rules, their functions and chain points. It must also contain a file with error messages that the rules can produce.

In addition to this, an extension package contains the actual Java code for each new rule, input adaptor and any code libraries they may depend upon.

Installing new extension packages

As discussed in the section “Keeping the product current”, you can install new packages at any time and have the system automatically deploy them to the relevant servers. Please refer to that section for an in-depth example on how to install a new package.