The Concurrent Processing Framework Plug-in API for Java (1.6+) allows developers to create business application plug-ins that can be deployed to the CPF web services.

Packages 
Package Description
ca.bc.gov.open.cpf.plugin.api
The Concurrent Processing Framework Java Plug-in API.
ca.bc.gov.open.cpf.plugin.api.log
The Concurrent Processing Framework Java Plug-in Logging API.
ca.bc.gov.open.cpf.plugin.api.security
The Concurrent Processing Framework Java Plug-in Security API.
ca.bc.gov.open.cpf.plugin.impl  
ca.bc.gov.open.cpf.plugin.impl.geometry  
ca.bc.gov.open.cpf.plugin.impl.log  
ca.bc.gov.open.cpf.plugin.impl.module  
ca.bc.gov.open.cpf.plugin.impl.security