Esper Reference
xviii
19.8.1. How It Works ..................................................................................... 698
19.8.2. Steps ................................................................................................. 698
19.8.3. URI-based Resolution ......................................................................... 699
19.8.4. Example ............................................................................................. 699
20. Script Support ........................................................................................................ 707
20.1. Overview ...................................................................................................... 707
20.2. Syntax .......................................................................................................... 707
20.3. Examples ...................................................................................................... 708
20.4. Built-In EPL Script Attributes .......................................................................... 709
20.5. Performance Notes ....................................................................................... 710
20.6. Additional Notes ............................................................................................ 710
21. Examples, Tutorials, Case Studies ......................................................................... 711
21.1. Examples Overview ....................................................................................... 711
21.2. Running the Examples .................................................................................. 713
21.3. AutoID RFID Reader ..................................................................................... 714
21.4. Runtime Configuration ................................................................................... 714
21.5. JMS Server Shell and Client .......................................................................... 714
21.5.1. Overview ............................................................................................ 714
21.5.2. JMS Messages as Events ................................................................... 715
21.5.3. JMX for Remote Dynamic Statement Management ............................... 716
21.6. Market Data Feed Monitor ............................................................................. 716
21.6.1. Input Events ....................................................................................... 716
21.6.2. Computing Rates Per Feed ................................................................. 716
21.6.3. Detecting a Fall-off ............................................................................. 717
21.6.4. Event generator .................................................................................. 717
21.7. OHLC Plug-in View ....................................................................................... 717
21.8. Transaction 3-Event Challenge ...................................................................... 718
21.8.1. The Events ........................................................................................ 718
21.8.2. Combined event ................................................................................. 718
21.8.3. Real time summary data ..................................................................... 719
21.8.4. Find problems .................................................................................... 719
21.8.5. Event generator .................................................................................. 719
21.9. Self-Service Terminal .................................................................................... 720
21.9.1. Events ............................................................................................... 720
21.9.2. Detecting Customer Check-in Issues ................................................... 720
21.9.3. Absence of Status Events ................................................................... 721
21.9.4. Activity Summary Data ........................................................................ 721
21.9.5. Sample Application for J2EE Application Server ................................... 721
21.10. Assets Moving Across Zones - An RFID Example .......................................... 723
21.11. StockTicker ................................................................................................. 724
21.12. MatchMaker ................................................................................................ 724
21.13. Named Window Query ................................................................................. 725
21.14. Sample Virtual Data Window ........................................................................ 725
21.15. Sample Cycle Detection ............................................................................... 725