This figure shows the Event Processing Network for a typical Oracle CEP application. Adapter StreamOrRelationSource1Adapter is connected to channel Channel1. Adapter StreamOrRelationSource2Adapter is connected to channel Channel2. Channels Channel1 and Channel2 are both connected to processor CQLProcessor. The processor CQLProcessor is connected to channel Channel3. The channel Channel3 is connected to bean UserCode, event bean EventBean, and adapter StreamOrRelationSink2. Event bean EventBean is connected to adapter StreamOrRelationSink1.