Convert IntegrationServlet to a servlet context listener
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Key: BPEL-223
URL:
http://jira.jboss.com/jira/browse/BPEL-223
Project: JBoss jBPM BPEL
Issue Type: Feature Request
Security Level: Public (Everyone can see)
Components: Engine
Reporter: Alejandro Guizar
Assigned To: Alejandro Guizar
Fix For: jBPM BPEL 1.1 beta 3
ServletContextListeners are a viable alternative to servlets for initializing and
destroying the integration control. From the Servlet 2.4 spec, section 10.2:
"Servlet event listeners support event notifications for state changes in the
ServletContext, HttpSession and ServletRequest objects.
Servlet context listeners are used to **manage resources** or state held at a JVM level
for the application."
Their intent definitely seems to match our purposes.
Section 10.2.2 provides an example. When the application starts up, the listener creates a
connection to the database and stores it in the servlet context. Servlets access the
connection from the context as needed. When the application shuts down, the listener
closes the connection.
Our listener could initialize the integration control and store it in the servlet context,
then destroy it.
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