Drools, jBPM and OptaPlanner (NYC and DC Sept 2017 - Keynote Talk Video)
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A Keynote presentation given at two community days, once in NYC the other DC. It covers the history of how the projects grew over time, the agile practices used by those teams and also the project and product differences. It also highlights some key 7.x aspects, that were not shown in the later conference talks.
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Drools, jBPM and OptaPlanner (NYC and DC Sept 2017 - Keynote Talk Video)
- 1. Mark Proctor Drools Co-creator Chief Architect BRMS and BPMS
- 2. • Co-founded Drools (early 2000) The Journey
- 3. The Journey • Co-founded Drools (early 2000) <import>org.drools.examples.fibonacci.Fibonacci</import> <rule name="Bootstrap 1" salience="20"> <parameter identifier="f"> <class>Fibonacci</class> </parameter> <java:condition>f.getSequence() == 1</java:condition> <java:condition>f.getValue() == -1</java:condition> <java:consequence> f.setValue( 1 ); System.err.println( f.getSequence() + " == " + f.getValue() ); drools.modifyObject( f ); </java:consequence> </rule> Drools 2.x XML Syntax
- 4. The Journey • Co-founded Drools (early 2000) • JBoss (2005)
- 5. The Journey • Co-founded Drools (early 2000) • JBoss (2005) • Red Hat (2006)
- 6. The Journey • Co-founded Drools (early 2000) • JBoss (2005) • Red Hat (2006) • Drools 3 (2006) import org.drools.examples.fibonacci.FibonacciExample.Fibonacci; rule Bootstrap when f : Fibonacci( sequence == 1 ) then modify ( f ){ value = 1 }; System.out.println( f.sequence + " == " + f.value ); end Drools 3.x - 7.x Syntax
- 7. The Journey • Co-founded Drools (early 2000) • JBoss (2005) • Red Hat (2006) • Drools 3 (2006) • Drools 4 (2007) • Increased expressiveness • ‘from’ keyword for external data • Drools Flow • Better Performance • BRMS
- 8. The Journey • Co-founded Drools (early 2000) • JBoss (2005) • Red Hat (2006) • Drools 3 (2006) • Drools 4 (2007) • Drools 5 (2009) • Guvnor (BRMS with extjs port) • CEP • Drools-Flow full workflow • Knowledge Agent (Provisioning)
- 9. The Journey • Co-founded Drools (early 2000) • JBoss (2005) • Red Hat (2006) • Drools 3 (2006) • Drools 4 (2007) • Drools 5 (2009) • Product Manager (2010)
- 10. The Journey • Co-founded Drools (early 2000) • JBoss (2005) • Red Hat (2006) • Drools 3 (2006) • Drools 4 (2007) • Drools 5 (2009) • Product Manager (2010) • jBPM 5 (2011) • incorporated from drools-flow
- 11. The Journey • Co-founded Drools (early 2000) • JBoss (2005) • Red Hat (2006) • Drools 3 (2006) • Drools 4 (2007) • Drools 5 (2009) • Product Manager (2010) • jBPM 5 (2011) • incorporated from drools-flow
- 12. The Journey • Co-founded Drools (early 2000) • JBoss (2005) • Red Hat (2006) • Drools 3 (2006) • Drools 4 (2007) • Drools 5 (2009) • Product Manager (2010) • jBPM 5 (2011) • Polymita acquisition (2012)
- 13. The Journey • Co-founded Drools (early 2000) • JBoss (2005) • Red Hat (2006) • Drools 3 (2006) • Drools 4 (2007) • Drools 5 (2009) • Product Manager (2010) • jBPM 5 (2011) • Polymita acquisition (2012) • Drools & jBPM 6.0 (2013) • UberFire Workbench • Phreak • Methodolgy based: • Author, build, deploy, utilise • Declarative • OptaPlanner KIE Drools jBPMOptaPlanner UberFire Guvnor Drools-WB jBPM-WB KIE-WB
- 14. The Journey • Co-founded Drools (early 2000) • JBoss (2005) • Red Hat (2006) • Drools 3 (2006) • Drools 4 (2007) • Drools 5 (2009) • Product Manager (2010) • jBPM 5 (2011) • Polymita acquisition (2012) • Drools & jBPM 6.0 (2013) • Since 2011 tripled engineering team size (2017) • with dedicated QE and UXD KIE Drools jBPMOptaPlanner UberFire Guvnor Drools-WB jBPM-WB KIE-WB
- 15. The Journey • Co-founded Drools (early 2000) • JBoss (2005) • Red Hat (2006) • Drools 3 (2006) • Drools 4 (2007) • Drools 5 (2009) • Product Manager (2010) • jBPM 5 (2011) • Polymita acquisition (2012) • Drools & jBPM 6.0 (2013) • Since 2011 tripled engineering team size (2017) • Remote engineers • All over the globe KIE Drools jBPMOptaPlanner UberFire Guvnor Drools-WB jBPM-WB KIE-WB
- 16. • Co-founded Drools (early 2000) • JBoss (2005) • Red Hat (2006) • Drools 3 (2006) • Drools 4 (2007) • Drools 5 (2009) • Product Manager (2010) • jBPM 5 (2011) • Polymita acquisition (2012) • Drools & jBPM 6.0 (2013) • Since 2011 tripled engineering team size (2017) • Remote engineers • Multipliers The Journey KIE Drools jBPMOptaPlanner UberFire Guvnor Drools-WB jBPM-WB KIE-WB
- 17. • Co-founded Drools (early 2000) • JBoss (2005) • Red Hat (2006) • Drools 3 (2006) • Drools 4 (2007) • Drools 5 (2009) • Product Manager (2010) • jBPM 5 (2011) • Polymita acquisition (2012) • Drools & jBPM 6.0 (2013) • Since 2011 tripled engineering team size (2017) • Remote engineers • Multipliers The Journey 14k Twitter follows Top 20 Java influencer 2017 Java Champion KIE Drools jBPMOptaPlanner UberFire Guvnor Drools-WB jBPM-WB KIE-WB
- 18. • Co-founded Drools (early 2000) • JBoss (2005) • Red Hat (2006) • Drools 3 (2006) • Drools 4 (2007) • Drools 5 (2009) • Product Manager (2010) • jBPM 5 (2011) • Polymita acquisition (2012) • Drools & jBPM 6.0 (2013) • Since 2011 tripled engineering team size (2017) • Remote engineers • Multipliers The Journey KIE Drools jBPMOptaPlanner UberFire Guvnor Drools-WB jBPM-WB KIE-WB
- 19. • Co-founded Drools (early 2000) • JBoss (2005) • Red Hat (2006) • Drools 3 (2006) • Drools 4 (2007) • Drools 5 (2009) • Product Manager (2010) • jBPM 5 (2011) • Polymita acquisition (2012) • Drools & jBPM 6.0 (2013) • Since 2011 tripled engineering team size (2017) • Remote engineers • Multipliers • Super Stars The Journey KIE Drools jBPMOptaPlanner UberFire Guvnor Drools-WB jBPM-WB KIE-WB
- 20. • CI • Jenkins • Github Integration Agile Community
- 21. • CI • Gate Keepers • Peer reviewed code merges Agile Community
- 22. • CI • Gate Keepers • Sprints • 2 Weeks Agile Community
- 23. • CI • Gate Keepers • Sprints • JIRA Agile boards • Updated in sprint meeting • Includes external contributors Agile Community
- 24. • CI • Gate Keepers • Sprints • JIRA Agile boards • Feature branches Agile Community
- 25. • CI • Gate Keepers • Sprints • JIRA Agile boards • Feature branches • CD Agile Community
- 26. • CI • Gate Keepers • Sprints • JIRA Agile boards • Feature branches • CD • Town Halls Agile Community
- 27. • CI • Gate Keepers • Sprints • JIRA Agile boards • Feature branches • CD • Town Halls • Keep brief • Not a tutorial • Relevance • Impact Agile Community
- 28. • Branding • Project Names : Drools, jBPM, OptaPlanner • Product Names : Red Hat BRMS, Red Hat BPMS Project and Product
- 29. • Branding • 100% Open Source Project and Product
- 30. • Branding • 100% Open Source • Product is a branch off community Project and Product
- 31. • Branding • 100% Open Source • Product is a branch off community • Sanity through sanitisation Project and Product
- 32. • Branding • 100% Open Source • Product is a branch off community • Sanity through sanitisation • Cross platform and version compatibility • Fuse, EAP Project and Product
- 33. • Branding • 100% Open Source • Product is a branch off community • Sanity through sanitisation • Cross platform and version compatibility • 3rd party certifications • Oracle DB Project and Product
- 34. • Branding • 100% Open Source • Product is a branch off community • Sanity through sanitisation • Cross platform and version compatibility • 3rd party certifications • Direct impact on roadmap Project and Product
- 35. • Branding • 100% Open Source • Product is a branch off community • Sanity through sanitisation • Cross platform and version compatibility • 3rd party certifications • Direct impact on roadmap • Community independence Project and Product
- 36. • Drools • Rule Engine • CEP KIE - Current Top Level Projects
- 37. • Drools • Rule Engine • CEP • jBPM • Workflow • Human Tasks KIE - Current Top Level Projects
- 38. • Drools • Rule Engine • CEP • jBPM • Workflow • Human Tasks • Optaplanner • Optimisation with Constraint Solving KIE - Current Top Level Projects
- 39. • Drools • Rule Engine • CEP • jBPM • Workflow • Human Tasks • Optaplanner • Optimisation with Constraint Solving KIE - Current Top Level Projects
- 40. • Drools • Rule Engine • CEP • jBPM • Workflow • Human Tasks • Optaplanner • Optimisation with Constraint Solving KIE - Current Top Level Projects
- 41. • Drools • Rule Engine • CEP • jBPM • Workflow • Human Tasks • Optaplanner • Optimisation with Constraint Solving KIE - Current Top Level Projects
- 42. • Drools • Rule Engine • CEP • jBPM • Workflow • Human Tasks • Optaplanner • Optimisation with Constraint Solving • Workbench / Console KIE - Current Top Level Projects
- 43. • Drools • Rule Engine • CEP • jBPM • Workflow • Human Tasks • Optaplanner • Optimisation with Constraint Solving • Workbench / Console • Execution Server KIE - Current Top Level Projects
- 44. • Drools • Rule Engine • CEP • jBPM • Workflow • Human Tasks • Optaplanner • Optimisation with Constraint Solving • Workbench / Console • Execution Server • AppFormer • Coming Soon KIE - Current Top Level Projects
- 45. • UberFire • Will become AppFormer-Core KIE - Projects to be renamed / moved
- 46. • UberFire • Guvnor • Terminated • Merged into other projects KIE - Projects to be renamed / moved
- 47. • UberFire • Guvnor • DashBuilder • Moved to AppFormer - Insight KIE - Projects to be renamed / moved
- 48. • Cognitive Platform • e.g. CDSS KIE AI - Knowledge is Everything Because not everyone is as smart as House
- 49. • Cognitive Platform • Knowledge Representation and Reasoning (KRR) • Core AI KIE AI - Knowledge is Everything
- 50. • Cognitive Platform • Knowledge Representation and Reasoning (KRR) • Hybrid and Integrated Reasoning • Hybrid - forward, backward, relational, object graph, defeasible, beliefs • Integrated - Drools integration with jBPM, Optaplanner, Bayesian Networks KIE AI - Knowledge is Everything
- 51. • Cognitive Platform • Knowledge Representation and Reasoning (KRR) • Hybrid and Integrated Reasoning • Hybrid - forward, backward, relational, object graph, defeasible, beliefs • Integrated - Drools integration with jBPM, OptaPlanner, Bayesian Networks • Coming Soon • Bayesian Networks • PMML • Imperfect Reasoning (fuzzy, probability, certainty factors) KIE AI - Knowledge is Everything
- 52. 7.x
- 53. Workbench / Data Modeller
- 54. Reporting
- 55. Execution Server
- 56. Workbench
- 59. BPM Designer
- 60. BPM Designer
- 62. DashBuilder
- 64. Forms
- 65. Old Forms
- 68. Web Forms for Java Developers • Pojo • JPA • Bean Validator
- 69. Web Forms for Java Developers
- 70. Decision Tables
- 72. V&V
- 73. • For entire Table. • Rows subsuming each other. • Row redundancy. • Conflicting rows. • Unique single hit. • Missing range (gap analysis) when row contains • current supports booleans, number and dates. • other types on way, such as enumerations • For each row • Missing actions/conditions • Redundant actions/conditions • Conflicting conditions Supported Validation and Verification
- 75. Data Sources
- 77. Datasource management: New driver
- 78. Datasource management: New datasource
- 79. Datasource management: datasource editor
- 80. Datasource management: Browse schema
- 81. Datasource management: Browse tables
- 82. Datasource management: Browse data
- 83. Executable Model
- 84. Executable Model Rule rule = rule( "beta" ) .view( expr("exprA", markV, p -> p.getName().equals("Mark")) .indexedBy( String.class, ConstraintType.EQUAL, Person::getName, "Mark" ) .reactOn( "name", "age" ), // also react on age, see RuleDescr.lookAheadFieldsOfIdentifier expr("exprB", olderV, p -> !p.getName().equals("Mark")) .indexedBy( String.class, ConstraintType.NOT_EQUAL, Person::getName, "Mark" ) .reactOn( "name" ), expr("exprC", olderV, markV, (p1, p2) -> p1.getAge() > p2.getAge()) .indexedBy( int.class, ConstraintType.GREATER_THAN, Person::getAge, Person::getAge ) .reactOn( "age" ) )
- 85. Thread Safety
- 86. State Transition INACTIVE FIRE_ALL_RULES FIRE_UNTIL_HALT HALTING EXECUTE_TASK fireAllRules fireUntilHalt at rest halt halt executeTask
- 88. • Immutable Data • Supports revision, if new instance provided • Partitions the rules • Propagation queue per partition • Partitioning for most used class + field • As long as that field is used in each pattern for that class. And each constraint on that field is equality, ‘==‘. • Round robin rule allocation for all other rules • Downsides is all data goes to all partitions. Only shows an advantage if a partition has enough match attempts to justify the cost of parallelising. Focus on Immutable CEP use cases
- 90. Unit unit HouseUnit rule WhileAlarmOn when /house/alarm[power == on] then drools.guard( new AlarmUnit(persons, c.age) ); end unit AlarmUnit rule TurnSprinklerOn when when /home/alarm[status == ALERT] s : /rooms/sprinklers[status == OFF] then s.sprinkler(ON) end rule TurnSprinklerOf when /home/alarm[status == NORMAL] s : /rooms/sprinklers[status == ON] then s.sprinkler(OFF) end public class HouseUnit implements RuleUnit { private House house; private DataSource<Room> rooms; public HouseUnit( House house DataSource<Room> rooms ) { this.house = house; } . . . public class AlarmUnit implements RuleUnit { private House house; private DataSource<Room> rooms; public AlarmUnit( House house DataSource<Room> rooms ) { this.house = house; } . . .