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JBoss Drools and Drools Fusion (CEP): Making Business Rules react to Events
- 6. Guvnor
- 8. Event Cloud, Streams and the Session Clock
- 11. Streams Support
- 15. Innovation
- 16. Fast and Frequent Releases
- 17. Tested on developer environments
- 18. Suitable for development and prototype
- 19. No Patches – On to next big thing
- 21. Same Innovated Code + Stability
- 22. Stability – Includes usability, performance and security issues identified during productization
- 23. Certified for Multi-OS, Multi-DB
- 24. Best for Development and Production
- 25. 5 Yr lifecycle – Includes patches, updates, backward compatibility
- 26. SLA based full support from dedicated support engineers
- 27. Open Source Assurance – legal protection derived
- 30. Authoring and Management App
- 31. Repository
- 32. EAP Certified
- 34. Authoring and Management App
- 37. CEP – Tech Preview
- 38. EAP, EWS, EWP, JVMs, Dbs and more
- 39. Performance Repository JBoss Enterprise BRMS Platform 5.0 JBoss Rules BRM Repository JBoss Enterprise BRMS Platform 5.1 JBoss Rules BRM CEP Jboss EWP
- 45. Basic functional programming feature with “from”
- 46. Basic Rule Flow
- 48. More Advanced Rule Flow integration
- 53. Prolog like derivation queries
- 54. Decision tables and rule templates (Guvnor)
- 75. Provide semantic abstractions for those encapsulation
- 77. Monolithic
- 78. Leaky
- 79. Brittle integrity - manual maintenance Couples the logic What happens when the Child becomes 16?
- 90. Seam 2 + GWT frontend
- 91. WebDav
- 103. Monitoring
- 105. Speed of development
- 106. Increased agility
- 108. targeting developers and business users
- 109. collaboration, management and monitoring using web-based consoles
- 111. lightweight
- 112. embeddable
- 113. generic, extensible Core Engine
- 116. Notation
- 119. Extensible < definitions ... > < process id="com.sample.bpmn.hello" name="Hello World" > < startEvent id="_1" name="StartProcess" /> < sequenceFlow sourceRef="_1" targetRef="_2" /> < scriptTask id="_2" name="Hello" > < script >System.out.println("Hello World");</ script > </ scriptTask > < sequenceFlow sourceRef="_2" targetRef="_3" /> < endEvent id="_3" name="EndProcess" /> </ process > </ definitions > Core Engine BPMN 2.0 XML
- 121. History logging
- 123. User-defined Core Engine BPMN 2.0 XML Persistence Trans- actions JPA JTA
- 125. Business user
- 127. User task lists / forms
- 128. Reporting Core Engine BPMN 2.0 XML Persistence Trans- actions Events History Log Management Console BAM
- 137. New Eclipse BPMN2 editor
- 139. Flexible, adaptive, goal-oriented processes
- 140. Integrated “no-code” tooling (form builder, etc.)
- 142. Drools Vision
- 144. Event Cloud, Streams and the Session Clock
- 145. Temporal Reasoning
- 147. Streams Support
- 148. Memory Management
- 150. “ An event in the Unified Modelling Language is a notable occurrence at a particular point in time .”
- 152. “ Anything that happens , or is contemplated as happening .”
- 153. “ An object that represents, encodes or records an event , generally for the purpose of computer processing ”
- 155. “ An event is a significant change of state at a particular point in time ”
- 157. The 2004 Indonesian Tsunami – an abstraction of many natural events
- 158. A completed stock purchase -an abstraction of the events in a transaction to purchase the stock
- 161. CEP employs techniques such as detection of complex patterns of many events, event correlation and abstraction , event hierarchies, and relationships between events such as causality, membership, and timing, and event-driven processes.”
- 162. -- wikipedia
- 164. Credit Card Fraud Detection
- 165. Logistics Real-Time Awareness solution
- 167. Usually queries/rules have to run in reactive mode
- 171. “ CEP is used as a common term meaning both CEP and ESP .”
- 176. EDA is used to build our sensory system (what's needed to REACT TO things)
- 178. Usually queries/rules have to run in reactive mode
- 183. Allow Detection, Correlation and Composition
- 184. Temporal Constraints
- 185. Session Clock
- 186. Stream Processing
- 187. Sliding Windows
- 189. (Re)Active Rules
- 190. Data Loaders for Input
- 198. Eiko Yoneki and Jean Bacon defined a unified semantics for event correlation over time and space.
- 205. $c : Customer( type == “VIP” )
- 206. BuyOrderEvent( customer == $c , $id : id ) from entry-point “Home Broker Stream”
- 207. BuyAckEvent( sourceEvent == $id ) from entry-point “Stock Trader Stream”
- 208. then
- 209. // take some action
- 210. end
- 212. No attached Session Clock
- 213. No requirements on event ordering
- 214. No automatic event lifecycle management
- 216. Session Clock has an active role synchronizing the reasoning
- 217. Event Streams must be ordered
- 218. Automatic event lifecycle management
- 219. Sliding window support
- 222. event streams
- 223. process timers
- 224. sliding windows
- 226. Tests
- 227. Simulations
- 228. etc
- 232. Length Sliding window 1 Sliding window 2
- 234. Length Sliding window 1 Sliding window 2 Joined window
- 237. average ( $p ) )
- 238. then
- 239. // do something
- 240. end
- 245. memory management
- 247. Events usually are only interesting during a short period of time .
- 250. then
- 251. // Bag was lost, do something
- 252. end Easy to “see” that the only temporal relationship between the events defines a 5 minutes interest window.