ServiceLifecycle is an interface implemented by all internal services.
This interface defines the lifecycle contract between the JBI framework
and the service.
author: Sun Microsystems, Inc.
Initialize a service. This performs any initialization tasks
required by the service but does not make the service ready
to process requests.
Parameters: aContext - the JBI environment context createdby the JBI framework throws: javax.jbi.JBIException - if an error occurs