
Chapter 6 Sending Events From the RFID Event Manager to the RFID Information Server 123
8. Add a Delta filter by using the Add a filter icon (looks like a meter).
You must use a Delta filter to feed the tag events to the EpcisJms connector. If you
do not add the Delta filter to this role, the tag events are ignored by the connector.
9. Type a name for your Delta filter and click OK.
10. Add a Smoothing filter by using the Add a filter icon (looks like a meter).
11. Type a name for your Smoothing filter and click OK.
The drawing pane appears similar to the following screen capture.
12. Right-click on the Smoothing filter and select Create Input from the popup menu.
A new input object appears on the drawing pane.
13. To connect everything together, click the port (small square) at the center of the
input and drag it to the Smoothing filter.
14. Click the port of the Smoothing filter and drag it to the Delta filter.
15. Click the port of the Delta filter and drag it to the JMSConnector.
16. Click on the Auto-Layout icon to arrange the components vertically on the
drawing pane.
This enables you to see how the tag events flow through this role.
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