Overview of Rf Interface Support
11.4.1 Accessing the Rf Application
If the Rf application is deployed, then applications deployed on WebLogic Server can obtain an instance of the application from the Diameter node com.bea.wcp.diameter.Node class. Example 11–4 shows the sample Servlet code used to obtain the Diameter Node and access the Rf application. Example 11–4 Accessing the Rf Application ServletContext sc = getServletConfig.getServletContext; Node node = sc.getAttributecom.bea.wcp.diameter.Node; RfApplication rfApp = RfApplication node.getApplicationCharging.RF_APPLICATION_ ID; Applications can safely use a single instance of RfApplication to issue offline charging requests concurrently, in multiple threads. Each instance of RfSession actually holds the per-session state unique to each call.11.4.2 Implementing Session-Based Charging
For session-based charging requests, an application first uses the RfApplication to create an instance of RfSession. The application can then use the session object to create one or more charging requests. The first charging request must be an ACR START request, followed by zero or more ACR INTERIM requests. The session ends with an ACR STOP request. Upon receipt of the corresponding ACA STOP message, the RfApplication automatically terminates the RfSession. Example 11–5 shows the sample code used to start a new session-based accounting session. Table 11–3 Diameter Rf Application Support Classes Charging Common definitions for 3GPP charging functions RfApplication Offline charging application RfSession Offline charging sessionParts
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» Overview of Rf Interface Support
» Understanding Offline Charging Events
» Configuring the Rf Application
» Specifying the Session Expiration Sending Asynchronous Events
» Accessing the Rf Application Implementing Event-Based Charging
» Using the Accounting Session State
» Overview of Ro Interface Support
» Credit Authorization with Unit Determination
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» Determining Units and Rating
» Configuring the Ro Application
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