Quick Introduction to Oracle Stream Explorer Part Two– Business User friendly processing of real time events (enrichment, calculation) by Lucas Jellema

Very recently, Oracle released the Oracle Stream Explorer product, available from OTN. With Oracle Stream Explorer, business users and citizen developers as well as hard core developers can create explorations on top of live streaming data to filter, enrich, aggregate, inspect them and detect patterns. Stream Explorer provides a business user friendly browser based user interface in which streams are configured, explorations are composed, enrichment is set up and publication to external consumers is defined. Note that Stream Explorer is built on top of Oracle Event Processor – any Stream Explorer exploration is in fact an OEP application. It can be exported as such and refined in JDeveloper. As such, Stream Explorer is also a great way to get going with OEP.

In a previous article, I introduced the very first steps with Stream Explorer. In this article, I set up a stream of events that report people entering or leaving the rooms of a small conference event. The use case is: we are organizing a small conference. In three rooms, sessions take place simultaneously. Our attendees are free to decide which session to attend. We would like to know at virtually any moment how many people are in each room. We have set up simple detectors at the doors of the rooms that produce a signal whenever someone enters or leaves the room. This signal consists of the room identifier (1,2 or 3) and an IN/OUT flag (values +1 or -1). Read the complete article here.

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