2. The system goes online on August 4th, 1997.

3. Human decisions are removed from strategic defense.

4. SkyNet begins to learn at a geometric rate.

5. It becomes self-aware at 2:14am Eastern time, August 29th

6. In a panic, they try to pull the plug.

7. And, Skynet fights back

9. Community

10. History

12. Quick Example Stateful

13. Conditional elements

14. Timers and Calendars

16. Enter the Decision table

17. Types

18. Decision tables in guvnor

19. Roadmap

20. Drools Vs BRMS Repository Rules and Metadata JBoss Enterprise BRMS Platform JBoss Rules Rules Engine/ Execution Rules Development & Management CEP Complex Events Jboss EWP

22. Innovation

23. Fast and Frequent Releases

24. Tested on developer environments

25. Suitable for development and prototype

26. No Patches – On to next big thing

28. Same Innovated Code + Stability

29. Stability – Includes usability, performance and security issues identified during productization

30. Certified for Multi-OS, Multi-DB

31. Best for Development and Production

32. 5 Yr lifecycle – Includes patches, updates, backward compatibility

33. SLA based full support from dedicated support engineers

34. Open Source Assurance – legal protection derived

35. JBoss Community & Enterprise Changes Community / Enterprise Platform Delta BRMS Drools Enterprise Platforms - Performance, Scalability, Security and Qualityimprove over time without compromising long-term compatibility. 08/09 12/10 03/11 05/11 Over 150+ defect fixes & 35+ OS/JVM/DB certifications (& counting) between Drools Community 5.1 & JBoss BRMS 5.1.x

37. Authoring and Management App

38. Repository

39. EAP Certified

41. Authoring and Management App

42. Choice of Repository

43. Integrated Container

44. CEP – Tech Preview

45. EAP, EWS, EWP, JVMs, Dbs and more

46. Performance Repository JBoss Enterprise BRMS Platform 5.0 JBoss Rules BRM Repository JBoss Enterprise BRMS Platform 5.1 JBoss Rules BRM CEP Jboss EWP

47. Back Up

50. Community

51. History

53. Quick Example Stateful

54. Conditional elements

55. Timers and Calendars

57. Enter the Decision table

58. Types

59. Decision tables in guvnor

60. Roadmap

64. 5 day event, with 2 days focus on the healthcare industry

65. OSDE, AT&T, SAIC, US Navy Research, Kaiser, Clinica, Intermountain Healthcare, GE Healthcare, VA, Boeing, Nationwide ....

67. Community

68. History

70. Quick Example Stateful

71. Conditional elements

72. Timers and Calendars

74. Enter the Decision table

75. Types

76. Decision tables in guvnor

77. Roadmap

78. It All Started Here Birth of CDSS 1970s 1980s Dendral Baobab Mycin Guidon Neomycin Teiresias Puff Emycin WM Sacon Centaur Wheeze Gravida Clot Oncocin

79. Because Not Everyone Is As Smart As He Is

80. Business Rules Engines 1980s 2010s 1990s 2000s OPS5 ART Clips Jess Drools 2 JRules Drools 3 Drools 4 Drools 5

83. Basic functional programming feature with “from”

84. Basic Rule Flow

86. More Advanced Rule Flow integration

90. Multi-function accumulates

91. Prolog like derivation queries

92. Decision tables and rule templates (Guvnor)

93. Pure GWT (Guvnor)

95. Community

96. History

98. Quick Example Stateful

99. Conditional elements

100. Timers and Calendars

102. Enter the Decision table

103. Types

104. Decision tables in guvnor

105. Roadmap

106. Classes

107. rule “increase balance for AccountPeriod Credits” when ap : AccountPeriod() acc : Account( $accountNo : accountNo ) CashFlow( type == CREDIT, accountNo == $accountNo, date >= ap.start && <= ap.end, $ammount : ammount ) then acc.balance += $amount; end select * from Account acc, Cashflow cf, AccountPeriod ap where acc.accountNo == cf.accountNo and cf.type == CREDIT cf.date >= ap.start and cf.date <= ap.end trigger : acc.balance += cf.amount Credit Cashflow Rule

108. rule “increase balance for AccountPeriod Credits” when ap : AccountPeriod() acc : Account( $accountNo : accountNo ) CashFlow( type == CREDIT, accountNo == $accountNo, date >= ap.start && <= ap.end, $ammount : ammount ) then acc.balance += $amount; end rule “decrease balance for AccountPeriod Debits” when ap : AccountPeriod() acc : Account( $accountNo : accountNo ) CashFlow( type == DEBIT, accountNo == $accountNo, date >= ap.start && <= ap.end, $ammount : ammount ) then acc.balance -= $amount; end Rules as a “view”

110. Community

111. History

113. Quick Example Stateful

114. Conditional elements

115. Timers and Calendars

117. Enter the Decision table

118. Types

119. Decision tables in guvnor

120. Roadmap

121. Definitions public class Applicant { private String name; private int age; private boolean valid; // getter and setter methods here } rule &quot;Is of valid age&quot; when $a : Applicant( age < 18 ) then modify ( $a ) { valid = false }; ends

122. Building KnowledgeBuilder kbuilder = KnowledgeBuilderFactory .newKnowledgeBuilder(); kbuilder .add( ResourceFactory .newClassPathResource( &quot;licenseApplication.drl&quot; , getClass() ), ResourceType.DRL ); if ( kbuilder .hasErrors() ) { System.err.println( kbuilder .getErrors().toString() ); } kbase .addKnowledgePackages( kbuilder .getKnowledgePackages() );

123. Executing StatelessKnowledgeSession ksession = kbase .newStatelessKnowledgeSession(); Applicant applicant = new Applicant ( &quot;Mr John Smith&quot; , 16 ); assertTrue ( applicant .isValid() ); ksession .execute( applicant ); assertFalse ( applicant .isValid() ); rule &quot;Is of valid age&quot; when $a : Applicant( age < 18 ) then modify ( $a ) { valid = false }; ends

125. Community

126. History

128. Quick Example Statefu l

129. Conditional elements

130. Timers and Calendars

132. Enter the Decision table

133. Types

134. Decision tables in guvnor

135. Roadmap

136. Definitions public class Room { private String name // getter and setter methods here } public class Sprinkler { private Room room ; private boolean on ; // getter and setter methods here } public class Fire { private Room room ; // getter and setter methods here } public class Alarm { }

137. Definitions rule &quot;When there is a fire turn on the sprinkler&quot; when Fire ($room : room) $sprinkler : Sprinkler ( room == $room, on == false ) then modify ( $sprinkler ) { on = true }; println ( &quot;Turn on the sprinkler for room &quot; + $room.name ); end rule &quot;When the fire is gone turn off the sprinkler&quot; when $room : Room ( ) $sprinkler : Sprinkler ( room == $room, on == true ) not Fire ( room == $room ) then modify ( $sprinkler ) { on = false }; println ( &quot;Turn off the sprinkler for room &quot; + $room.name ); end

138. Definitions rule &quot;Raise the alarm when we have one or more fires&quot; when exists Fire () then insert ( new Alarm () ); println ( &quot;Raise the alarm&quot; ); end rule &quot;Cancel the alarm when all the fires have gone&quot; when not Fire () $alarm : Alarm () then retract ( $alarm ); println ( &quot;Cancel the alarm&quot; ); end

139. Definitions rule &quot;Status output when things are ok&quot; when not Alarm () not Sprinkler ( on === true ) then println ( &quot;Everything is ok&quot; ); end

140. Executing String [] names = new String []{ &quot;kitchen&quot; , &quot;bedroom&quot; , &quot;office&quot; , &quot;livingroom&quot; }; Map < String , Room > name2room = new HashMap < String , Room >(); for ( String name : names ){ Room room = new Room ( name ); name2room .put( name , room ); ksession .insert( room ); Sprinkler sprinkler = new Sprinkler ( room ); ksession .insert( sprinkler ); } ksession .fireAllRules() > Everything is ok

141. Executing Fire kitchenFire = new Fire ( name2room.get( &quot;kitchen&quot; ) ); Fire officeFire = new Fire ( name2room.get( &quot;office&quot; ) ); FactHandle kitchenFireHandle = ksession .insert( kitchenFire ); FactHandle officeFireHandle = ksession .insert( officeFire ); ksession .fireAllRules(); > Raise the alarm > Turn on the sprinkler for room kitchen > Turn on the sprinkler for room office

142. Executing ksession .retract( kitchenFireHandle ); ksession .retract( officeFireHandle ); ksession .fireAllRules() > Turn off the sprinkler for room office > Turn off the sprinkler for room kitchen > Cancel the alarm > Everything is ok rule &quot;Status output when things are ok&quot; when not Alarm () not Sprinkler ( on === true ) then println ( &quot;Everything is ok&quot; ); end

144. Community

145. History

147. Quick Example Stateful

148. Conditional elements

149. Timers and Calendars

151. Enter the Decision table

152. Types

153. Decision tables in guvnor

154. Roadmap

155. not Bus( color = “red” ) Conditional Elements exists Bus( color = “red” ) forall ( $bus : Bus( floors == 2 ) Bus( this == $bus, color == “red” ) ) forall ( $bus : Bus( color == “red” ) )

156. Accumulate CE rule &quot;accumulate&quot; when $sum : Number( intValue > 100 ) from accumulate ( Bus( color == &quot;red&quot; , $t : takings ) sum( $t ) ) then print &quot;sum is “ + $sum; end

157. Accumulate CE Patterns and CE's can be chained with ' from ' rule &quot;collect&quot; when $zipCode : ZipCode() $sum : Number( intValue > 100 ) from accumulate ( Bus( color == &quot;red&quot; , $t : takings ) from $hbn.getNamedQuery( “Find Buses” ) .setParameters( [ “zipCode” : $zipCode ] ) .list(), sum( $t ) ) then print &quot;sum is “ + $sum; end

158. Aggregations Rule Engines do not deal with aggregations $n : Number( intValue > 100 ) from accumulate ( $s : StockTicker( symbol == “RHAT” ) over window:time ( 5s ), average ( $s.price ) ) Over 5 seconds Aggregate ticker price for RHAT over last 5 seconds The pattern 'Number' reasons 'from' the accumulate result

159. $c : Custumer( type == “VIP ) $oe : BuyOrderEvent( customer == $c ) from entry-point “Home Broker Stream” not BuyAckEvent( relatedEvent == $oe.id, this after[1s, 10s] $oe ) from entry-point “Stock Trader Stream” Operators Existing Drools 'not' Conditional Elements can be used to detect non-occurrence of events BackAckEvent must occur between 1s and 10s ' after' BuyOrderEvent

161. Community

162. History

164. Quick Example Stateful

165. Conditional elements

166. Timers and Calendars

168. Enter the Decision table

169. Types

170. Decision tables in guvnor

171. Roadmap

172. Timers rule “name” timer ( cron: 0 0/15 * * * * ) when Alarm( ) then sendEmail( ”Alert Alert Alert!!!” ) Field Name Mandatory? Allowed Values Allowed Special Characters Seconds YES 0-59 , - * / Minutes YES 0-59 , - * / Hours YES 0-23 , - * / Day of month YES 1-31 , - * ? / L W Month YES 1-12 or JAN-DEC , - * / Day of week YES 1-7 or SUN-SAT , - * ? / L # Year NO empty, 1970-2099 , - * / Send alert every quarter of an hour

173. Calendars rule &quot;weekdays are high priority&quot; calendars &quot;weekday&quot; timer (int:0 1h) when Alarm() then send( &quot;priority high - we have an alarm” ); end rule &quot;weekend are low priority&quot; calendars &quot;weekend&quot; timer (int:0 4h) when Alarm() then send( &quot;priority low - we have an alarm” ); end Execute now and after 1 hour duration Execute now and after 4 hour duration

175. Community

176. History

178. Quick Example Stateful

179. Conditional elements

180. Timers and Calendars

182. Enter the Decision table

183. Types

184. Decision tables in guvnor

185. Roadmap

186. TMS and Inference rule &quot;Issue Child Bus Pass&quot; when $p : Person ( age < 16 ) then insert(new ChildBusPass ( $p ) ); end rule &quot;Issue Adult Bus Pass&quot; when $p : Person ( age >= 16 ) then insert(new AdultBusPass ( $p ) ); end Couples the logic What happens when the Child stops being 16?

188. Leaky

189. Brittle integrity - manual maintenance

191. When the rule is no longer true, the object is retracted. when $p : Person ( age < 16 ) then logicalInsert ( new IsChild ( $p ) ) end when $p : Person ( age >= 16 ) then logicalInsert ( new IsAdult ( $p ) ) end de-couples the logic Maintains the truth by automatically retracting

192. TMS and Inference rule &quot;Issue Child Bus Pass&quot; when $p : Person ( ) IsChild ( person =$p ) then logicalInsert ( new ChildBusPass ( $p ) ); end rule &quot;Issue Adult Bus Pass&quot; when $p : Person ( age >= 16 ) IsAdult ( person =$p ) then logicalInsert ( new AdultBusPass ( $p ) ); end The truth maintenance cascades

193. TMS and Inference rule &quot;Issue Child Bus Pass&quot; when $p : Person ( ) not ( ChildBusPass ( person == $p ) ) then requestChildBusPass( $p ); end The truth maintenance cascades

195. Encapsulate knowledge

196. Provide semantic abstractions for those encapsulation

197. Integrity robustness – truth maintenance

199. Community

200. History

202. Quick Example Stateful

203. Conditional elements

204. Timers and Calendars

206. Enter the Decision table

207. Types

208. Decision tables in guvnor

209. Roadmap

210. Some decisions are simple I want to treat myself

211. Some decisions are simple

212. Some decisions are complex What insurance premium should I charge?

214. Applicant's experience

215. Sailing qualifications

216. Value of vessel

217. Type of cover

219. If less than 35 add 10% surcharge

220. If less than 45 add 5% surcharge

223. Community

224. History

226. Quick Example Stateful

227. Conditional elements

228. Timers and Calendars

230. Enter the Decision table

231. Types

232. Decision tables in guvnor

233. Roadmap

235. Decision Table

236. Decision Table rule &quot;Pricing bracket_10&quot; when Driver(age >= 18, age <= 24, locationRiskProfile == &quot;LOW&quot;, priorClaims == &quot;1&quot;) policy: Policy(type == &quot;COMPREHENSIVE&quot;) then policy.setBasePrice(450); end

238. Each row compiles into a separate DRL rule

240. Each row compiles into a separate DRL rule

241. rule &quot;Row 1 dtable&quot;

242. dialect &quot;mvel&quot;

243. when

244. $person : Person( age < &quot;18&quot; )

245. then

246. $person.setHolidayEntitlement( 27 );

247. end

248. rule &quot;Row 2 dtable&quot;

249. dialect &quot;mvel&quot;

250. when

251. $person : Person( age >= &quot;18&quot; , age < &quot;45&quot; , lengthOfService < &quot;15&quot; )

252. then

253. $person.setHolidayEntitlement( 22 );

254. end

256. Community

257. History

259. Quick Example Stateful

260. Conditional elements

261. Timers and Calendars

263. Enter the Decision table

264. Types

265. Decision tables in guvnor

266. Roadmap

268. Vertical

269. Limited entry

271. Multi-hit, all hits

272. Multi-hit, first hit

273. Single hit

284. Reduces the number of condition columns.

285. If the same actions exist for rules covering all condition states for a given condition they can be combined and the condition state becomes irrelevant.

289. Condition columns are not mutually exclusive

290. If the Condition columns are not exclusive, some combination of conditions are present in more than one column, which may lead to ambiguity or inconsistency.

293. Condition columns are not mutually exclusive.

294. If the Condition columns are not exclusive, some combination of conditions are present in more than one column, which may lead to ambiguity or inconsistency.

297. Condition columns are mutually exclusive

298. As the Condition columns are exclusive; combinations of conditions cannot be present in more than one column which eliminates ambiguity and inconsistency.

299. Classic form if Single-hit is &quot;expanded decision table&quot;; but this can be optimised or “contracted”.

302. Community

303. History

305. Quick Example Stateful

306. Conditional elements

307. Timers and Calendars

309. Enter the Decision table

310. Types

311. Decision tables in guvnor

312. Roadmap

315. Digitised condition states (enumerated fields)

317. Condition and rule negation

318. Cell merging

319. Cell grouping

324. Community

325. History

327. Quick Example Stateful

328. Conditional elements

329. Timers and Calendars

331. Enter the Decision table

332. Types

333. Decision tables in guvnor

334. Roadmap

337. Improved support for digitised condition states

339. Usability enhancements

341. HAL : Without your space helmet, Dave, you're going to find that rather difficult.

342. Dave Bowman : HAL, I won't argue with you anymore! Open the doors!

343. HAL : Dave, this conversation can serve no purpose anymore. Goodbye. Joshua: Greetings, Professor Falken. Stephen Falken : Hello, Joshua. Joshua: A strange game. The only winning move is not to play. How about a nice game of chess?

344. Backward Chaining query isContainedIn( String x, String y ) Location(x, y;) or ( Location(z, y;) and ?isContainedIn(x, z;) ) end&quot; rule reactiveLook when Here( place : place) ?isContainedIn(place, &quot;keys&quot;;)then&quot; + System.out.println( &quot;We have found your keys&quot;); end