drools 6.0 (judcon 2013)
DESCRIPTION
TRANSCRIPT
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Not Quite There Yet•The SkyNet funding bill is passed.
•The system goes online on August 4th, 1997.
•Human decisions are removed from strategic defense.
•SkyNet begins to learn at a geometric rate.
•It becomes self-aware at 2:14am Eastern time, August 29th
•In a panic, they try to pull the plug.
•And, Skynet fights back
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Who am I?
• Drools co-founder
• JBoss (2005)
• Red Hat (2006)
• Polymita Acquisition 2012
• Red Hat Platform Architect
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KIE - Knowledge Is EverythingKIE
Drools jBPMOptaPlanner UberFire
Guvnor
Drools-WB jBPM-WB
KIE-WB
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GitHub• URL:• https://github.com/droolsjbpm/
• Bootstrap project:• https://github.com/droolsjbpm/droolsjbpm-
build-bootstrap
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Changes• Conventions:• droolsjbpm -> kie• knowlege -> kie
• Examples• KnowledgeBase -> Kie• StatefulKnowledgeSession -> KieSession• StatelessKnowledgeSession - StatelesKieSession
• Legacy API Adapter JAR• Most API’s should work with legacy adapter• KnowledegAgents have not been ported, PKG’s are not
longer the unit of deployment
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BRMS 6.0Simplified Utilization
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BRMS 5.0 Programmatic APIKnowledgeBuilder kbuilder = KnowledgeBuilderFactory.newKnowledgeBuilder();
kbuilder.batch().add( newClassPathResource( "Model.drl", getClass() ), DRL ) .add( newClassPathResource( "Queries.drl", getClass() ), DRL ) .add( newClassPathResource( "General.drl", getClass() ), DRL ) .add( newClassPathResource( "Response.drl", getClass() ), DRL ) .add( newClassPathResource( "Events.drl", getClass() ), DRL ) .add( newClassPathResource( "UiView.drl", getClass() ), DRL ) .add( newClassPathResource( "Commands.drl", getClass() ), DRL ).build();
if ( kbuilder.hasErrors() ) { System.out.println( kbuilder.getErrors().toString() ); System.exit( 1 );}
KieBaseConfiguration kbaseConf = KnowledgeBaseFactory.newKnowledgeBaseConfiguration();kbaseConf.setOption( EqualityBehaviorOption.EQUALITY );
KnowledgeBase kbase = KnowledgeBaseFactory.newKnowledgeBase( kbaseConf );kbase.addKnowledgePackages( kbuilder.getKnowledgePackages() );
Counter c = new Counter();ksession = kbase.newStatefulKnowledgeSession();
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KieModules• Discovery• META-INF/kmodule.xml
• Convention based• No programmatic api for building• Multiple Named entities• Inheritence of Resources• Defaults for lazy people• Version built in a standard
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Git Hub Examples• https://github.com/droolsjbpm/drools/tree/master/drools-
examples-api
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KieModules
<kmodule xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://jboss.org/kie/6.0.0/kmodule"> </kmodule>
KieServices ks = KieServices.Factory.get();KieContainer kContainer = ks.getKieClasspathContainer();
KieSession kSession = kContainer.newKieSession();kSession.setGlobal("out", out);kSession.insert(new Message("Dave", "Hello, HAL. Do you read me, HAL?"));kSession.fireAllRules();
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KieModules• Named Entities and JAR on Classpath• Creates one KieBase• Includes resources from package matching
kbase name
<kmodule xmlns="http://jboss.org/kie/6.0.0/kmodule">
<kbase name="kbase1"> <ksession name="ksession1"/> </kbase>
</kmodule>
KieServices ks = KieServices.Factory.get();KieContainer kContainer = ks.getKieClasspathContainer();
KieSession kSession = kContainer.newKieSession("ksession1");kSession.setGlobal("out", out);kSession.insert(new Message("Dave", "Hello, HAL. Do you read me, HAL?"));kSession.fireAllRules();
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KieModules• Named Entities, with inheritence and JAR on
Classpath• Two projects, one “includes” from the other<dependency> <groupId>org.drools</groupId> <artifactId>named-kiesession</artifactId> <version>6.0.0-SNAPSHOT</version></dependency>
<kbase name="kbase2" includes="kbase1"> <ksession name="ksession2"/></kbase>
KieServices ks = KieServices.Factory.get();KieContainer kContainer = ks.getKieClasspathContainer();KieSession kSession = kContainer.newKieSession("ksession2");kSession.setGlobal("out", out);
kSession.insert(new Message("Dave", "Hello, HAL. Do you read me, HAL?"));kSession.fireAllRules();
kSession.insert(new Message("Dave", "Open the pod bay doors, HAL."));kSession.fireAllRules();
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KieModules• Package location can over-ride kbase name defaults
<kbase name="WumpusMainKB" packages="org.drools.games.wumpus.server, org.drools.games.wumpus.server.view"> <ksession name="WumpusMainKS" /></kbase>
<kbase name="WumpusClientKB" packages="org.drools.games.wumpus.client"> <ksession name="WumpusClientKS"/></kbase>
KieContainer kc = KieServices.Factory.get().getKieClasspathContainer();final KieSession serverKsession = kc.newKieSession( "WumpusMainKS");final KieSession clientKsession = kc.newKieSession("WumpusClientKS");
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Dynamic KieModules• JARs can be loaded from URLs into KieRepository• Once loaded they can be resolved via ReleaseId
KieServices ks = KieServices.Factory.get();KieRepository kr = ks.getRepository();
KieModule kModule = kr.addKieModule(ks.getResources().newFileSystemResource( getFile("default-kiesession")));
KieContainer kContainer = ks.newKieContainer(kModule.getReleaseId());
KieSession kSession = kContainer.newKieSession();kSession.setGlobal("out", out);
Object msg1 = createMessage(kContainer, "Dave", "Hello, HAL. Do you read me, HAL?");kSession.insert(msg1);kSession.fireAllRules();
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Dynamic KieModules• kie-ci use embedded maven for remote
discovery<dependency> <groupId>org.kie</groupId> <artifactId>kie-ci</artifactId></dependency>
KieServices ks = KieServices.Factory.get();
// Install example1 in the local maven repo before to do thisKieContainer kContainer = ks.newKieContainer( ks.newReleaseId("org.drools", "named-kiesession", "6.0.0-SNAPSHOT"));
KieSession kSession = kContainer.newKieSession("ksession1");kSession.setGlobal("out", out);
Object msg1 = createMessage(kContainer, "Dave", "Hello, HAL. Do you read me, HAL?");kSession.insert(msg1);kSession.fireAllRules();
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Dynamic Modules
// create a new kjarInternalKieModule kJar2 = createKieJar(ks, releaseId, "rule2", "rule3");
// deploy it on mavenrepository.deployArtifact(releaseId, kJar2, kPom);
// since I am not calling start() on the scanner it means it won't have automatic scheduled scanningKieScanner scanner = ks.newKieScanner(kieContainer);
// scan the maven repo to get the new kjar version and deploy it on the kcontainerscanner.scanNow();
// create a ksesion and check it works as expectedKieSession ksession2 = kieContainer.newKieSession("KSession1");checkKSession(ksession2, "rule2", "rule3");
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KieModules• Package location can over-ride kbase name defaults
<kbase name="WumpusMainKB" packages="org.drools.games.wumpus.server, org.drools.games.wumpus.server.view"> <ksession name="WumpusMainKS" /></kbase>
<kbase name="WumpusClientKB" packages="org.drools.games.wumpus.client"> <ksession name="WumpusClientKS"/></kbase>
KieContainer kc = KieServices.Factory.get().getKieClasspathContainer();final KieSession serverKsession = kc.newKieSession( "WumpusMainKS");final KieSession clientKsession = kc.newKieSession("WumpusClientKS");
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kmodule.xml Editor
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Programmatic API• Builder API, for tooling integration• Incremental compilation, and problem
reportingKieServices ks = KieServices.Factory.get();KieRepository kr = ks.getRepository();KieFileSystem kfs = ks.newKieFileSystem();
kfs.write("src/main/resources/org/kie/example5/HAL5.drl", getRule());
KieBuilder kb = ks.newKieBuilder(kfs);
kb.buildAll(); // kieModule is automatically deployed to KieRepository if successfully built.if (kb.getResults().hasMessages(Level.ERROR)) { throw new RuntimeException("Build Errors:\n" + kb.getResults().toString());}
KieContainer kContainer = ks.newKieContainer(kr.getDefaultReleaseId());
KieSession kSession = kContainer.newKieSession();kSession.setGlobal("out", out);
kSession.insert(new Message("Dave", "Hello, HAL. Do you read me, HAL?"));kSession.fireAllRules();
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Dynamic KieModules• kie-ci use embedded maven for remote
discovery<dependency> <groupId>org.kie</groupId> <artifactId>kie-ci</artifactId></dependency>
KieServices ks = KieServices.Factory.get();
// Install example1 in the local maven repo before to do thisKieContainer kContainer = ks.newKieContainer( ks.newReleaseId("org.drools", "named-kiesession", "6.0.0-SNAPSHOT"));
KieSession kSession = kContainer.newKieSession("ksession1");kSession.setGlobal("out", out);
Object msg1 = createMessage(kContainer, "Dave", "Hello, HAL. Do you read me, HAL?");kSession.insert(msg1);kSession.fireAllRules();
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BRMS 6.0 CDI
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CDI Context and Dependency • CDI injects named entities from the
kmodule.xml
• Injectable types• KieServices• KieContainer• KieBase• KieSession• StatelessKieSession
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KBase
@Inject @KBase(value="jar1.KBase1", name="kb2") @KReleaseId( groupId = "jar1", artifactId = "art1", version = "1.0")private KieBase jar1KBase1kb2;
@Inject@KBase(value="jar1.KBase1", name="kb2") @KReleaseId( groupId = "jar1", artifactId = "art1", version = "1.0")private KieBase jar1KBase1kb22;
@Injectprivate KieBase defaultClassPathKBase;
@Inject@KReleaseId( groupId = "jar1", artifactId = "art1", version = "1.0") private KieBase defaultDynamicKBase;
@Inject@KBase("jar1.KBase1") @KReleaseId( groupId = "jar1", artifactId = "art1", version = "1.0")private KieBase jar1KBase1v10;
@Inject@KBase("jar1.KBase1") @KReleaseId(groupId = "jar1", artifactId = "art1", version = "1.1")private KieBase jar1KBase1v11;
@Inject@KBase(value="jar1.KBase1", name="kb1")@KReleaseId( groupId = "jar1", artifactId = "art1", version = "1.0")private KieBase jar1KBase1kb1;
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KSession@Inject@KSession("jar1.KSession2") @KReleaseId( groupId = "jar1", artifactId = "art1", version = "1.0" )private KieSession kbase1ksession2v10;
@Inject@KSession("jar1.KSession2") @KReleaseId( groupId = "jar1", artifactId = "art1", version = "1.1" )private KieSession kbase1ksession2v11;
@Inject@KSession(value="jar1.KSession2", name="ks1") @KReleaseId( groupId = "jar1", artifactId = "art1", version = "1.0" )private KieSession kbase1ksession2ks1;
@Inject@KSession(value="jar1.KSession2", name="ks2") @KReleaseId( groupId = "jar1", artifactId = "art1", version = "1.0" )private KieSession kbase1ksession2ks2 ;
@Inject@KSession(value="jar1.KSession2", name="ks2") @KReleaseId( groupId = "jar1", artifactId = "art1", version = "1.0" )private KieSession kbase1ksession2ks22;
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BRMS 6.0 Spring and Camel
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Spring and Camel
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Spring and Camel
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Spring and Camel
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Spring and Camel
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Backward ChainingReactive Transitive
Closures
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Reasoning with Graphs
●Location( “kitchen”,”house” )●Location( “office”,”house” )
●Location( “desk”,”office” ) ●Location( “chair”,”office” )
●Location( “lamp”,”desk” )
●Location( “draw”,”desk” )
●Location( “computer”,”desk” )
●Location( “key”,”draw” )
House
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Backward Chainingquery isContainedIn( String x, String y ) Location( x, y; ) or ( Location( z, y; ) and isContainedIn( x, z; ) )end
House
Location("Office", "House ")
Location("Kitchen", "House")
Location("Desk", "Office")
Location("Chair", "Office")
Location("Computer", "Desk")
Location("Draw", "Desk")
Location("Knife", "Kitchen")
Location("Cheese", "Kitchen")
Location("Key", "Draw")
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Backward Chainingksession.insert( new Location("Office", "House") );ksession.insert( new Location("Kitchen", "House") );ksession.insert( new Location("Knife", "Kitchen") );ksession.insert( new Location("Cheese", "Kitchen") );ksession.insert( new Location("Desk", "Office") );ksession.insert( new Location("Chair", "Office") );ksession.insert( new Location("Computer", "Desk") );ksession.insert( new Location("Draw", "Desk") );
House
Location("Office", "House ")
Location("Kitchen", "House")
Location("Desk", "Office")
Location("Chair", "Office")
Location("Computer", "Desk")
Location("Draw", "Desk")
Location("Knife", "Kitchen")
Location("Cheese", "Kitchen")
Location("Key", "Draw")
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Backward Chainingrule "go" salience 10when $s : String( )then System.out.println( $s );end
House
Location("Office", "House ")
Location("Kitchen", "House")
Location("Desk", "Office")
Location("Chair", "Office")
Location("Computer", "Desk")
Location("Draw", "Desk")
Location("Knife", "Kitchen")
Location("Cheese", "Kitchen")
Location("Key", "Draw")
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Backward Chainingrule "go1"when String( this == "go1" ) isContainedIn("Office", "House"; )then System.out.println( "office is in the house" );end
rule "go" salience 10when $s : String( )then System.out.println( $s );end
House
Location("Office", "House ")
Location("Kitchen", "House")
Location("Desk", "Office")
Location("Chair", "Office")
Location("Computer", "Desk")
Location("Draw", "Desk")
Location("Knife", "Kitchen")
Location("Cheese", "Kitchen")
Location("Key", "Draw")
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Backward Chainingrule "go1"when String( this == "go1" ) isContainedIn("Office", "House"; )then System.out.println( "office is in the house" );end
rule "go" salience 10when $s : String( )then System.out.println( $s );end
query isContainedIn( String x, String y ) Location( x, y; ) or ( Location( z, y; ) and isContainedIn( x, z; ) )end
House
Location("Office", "House ")
Location("Kitchen", "House")
Location("Desk", "Office")
Location("Chair", "Office")
Location("Computer", "Desk")
Location("Draw", "Desk")
Location("Knife", "Kitchen")
Location("Cheese", "Kitchen")
Location("Key", "Draw")
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Backward Chainingrule "go1"when String( this == "go1" ) isContainedIn("Office", "House"; )then System.out.println( "office is in the house" );end
rule "go" salience 10when $s : String( )then System.out.println( $s );end
ksession.insert( "go1" );ksession.fireAllRules();---go1office is in the house
query isContainedIn( String x, String y ) Location( x, y; ) or ( Location( z, y; ) and isContainedIn( x, z; ) )end
House
Location("Office", "House ")
Location("Kitchen", "House")
Location("Desk", "Office")
Location("Chair", "Office")
Location("Computer", "Desk")
Location("Draw", "Desk")
Location("Knife", "Kitchen")
Location("Cheese", "Kitchen")
Location("Key", "Draw")
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Backward Chainingrule "go1"when String( this == "go1" ) isContainedIn("Office", "House"; )then System.out.println( "office is in the house" );end
rule "go" salience 10when $s : String( )then System.out.println( $s );end
ksession.insert( "go1" );ksession.fireAllRules();---go1office is in the house
query isContainedIn( String x, String y ) Location( x, y; ) or ( Location( z, y; ) and isContainedIn( x, z; ) )end
isContainedIn(x==Office, y==House)
House
Location("Office", "House ")
Location("Kitchen", "House")
Location("Desk", "Office")
Location("Chair", "Office")
Location("Computer", "Desk")
Location("Draw", "Desk")
Location("Knife", "Kitchen")
Location("Cheese", "Kitchen")
Location("Key", "Draw")
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Backward Chainingrule "go1"when String( this == "go1" ) isContainedIn("Office", "House"; )then System.out.println( "office is in the house" );end
rule "go" salience 10when $s : String( )then System.out.println( $s );end
ksession.insert( "go1" );ksession.fireAllRules();---go1office is in the house
query isContainedIn( String x, String y ) Location( x, y; ) or ( Location( z, y; ) and isContainedIn( x, z; ) )end
Location(x==Office, y==House)isContainedIn(x==Office, y==House)
House
Location("Office", "House ")
Location("Kitchen", "House")
Location("Desk", "Office")
Location("Chair", "Office")
Location("Computer", "Desk")
Location("Draw", "Desk")
Location("Knife", "Kitchen")
Location("Cheese", "Kitchen")
Location("Key", "Draw")
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Backward Chainingrule "go2"when String( this == "go2" ) isContainedIn("Draw", "House"; )then System.out.println( "Draw in the House" );end
House
Location("Office", "House ")
Location("Kitchen", "House")
Location("Desk", "Office")
Location("Chair", "Office")
Location("Computer", "Desk")
Location("Draw", "Desk")
Location("Knife", "Kitchen")
Location("Cheese", "Kitchen")
Location("Key", "Draw")
Saturday, 29 June 13
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Backward Chainingrule "go2"when String( this == "go2" ) isContainedIn("Draw", "House"; )then System.out.println( "Draw in the House" );end
query isContainedIn( String x, String y ) Location( x, y; ) or ( Location( z, y; ) and isContainedIn( x, z; ) )end
House
Location("Office", "House ")
Location("Kitchen", "House")
Location("Desk", "Office")
Location("Chair", "Office")
Location("Computer", "Desk")
Location("Draw", "Desk")
Location("Knife", "Kitchen")
Location("Cheese", "Kitchen")
Location("Key", "Draw")
Saturday, 29 June 13
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Backward Chainingrule "go2"when String( this == "go2" ) isContainedIn("Draw", "House"; )then System.out.println( "Draw in the House" );end
query isContainedIn( String x, String y ) Location( x, y; ) or ( Location( z, y; ) and isContainedIn( x, z; ) )end
ksession.insert( "go2" );ksession.fireAllRules();---go2Draw in the House
House
Location("Office", "House ")
Location("Kitchen", "House")
Location("Desk", "Office")
Location("Chair", "Office")
Location("Computer", "Desk")
Location("Draw", "Desk")
Location("Knife", "Kitchen")
Location("Cheese", "Kitchen")
Location("Key", "Draw")
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Backward Chainingrule "go2"when String( this == "go2" ) isContainedIn("Draw", "House"; )then System.out.println( "Draw in the House" );end
query isContainedIn( String x, String y ) Location( x, y; ) or ( Location( z, y; ) and isContainedIn( x, z; ) )end
isContainedIn(x==Draw, y==House)
ksession.insert( "go2" );ksession.fireAllRules();---go2Draw in the House
House
Location("Office", "House ")
Location("Kitchen", "House")
Location("Desk", "Office")
Location("Chair", "Office")
Location("Computer", "Desk")
Location("Draw", "Desk")
Location("Knife", "Kitchen")
Location("Cheese", "Kitchen")
Location("Key", "Draw")
Saturday, 29 June 13
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Backward Chainingrule "go2"when String( this == "go2" ) isContainedIn("Draw", "House"; )then System.out.println( "Draw in the House" );end
query isContainedIn( String x, String y ) Location( x, y; ) or ( Location( z, y; ) and isContainedIn( x, z; ) )end
Location(z==Office, y==House)isContainedIn(x==Draw, y==House)
ksession.insert( "go2" );ksession.fireAllRules();---go2Draw in the House
House
Location("Office", "House ")
Location("Kitchen", "House")
Location("Desk", "Office")
Location("Chair", "Office")
Location("Computer", "Desk")
Location("Draw", "Desk")
Location("Knife", "Kitchen")
Location("Cheese", "Kitchen")
Location("Key", "Draw")
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Backward Chainingrule "go2"when String( this == "go2" ) isContainedIn("Draw", "House"; )then System.out.println( "Draw in the House" );end
query isContainedIn( String x, String y ) Location( x, y; ) or ( Location( z, y; ) and isContainedIn( x, z; ) )end
Location(z==Office, y==House)isContainedIn(x==Draw, z==Office)
isContainedIn(x==Draw, y==House)
ksession.insert( "go2" );ksession.fireAllRules();---go2Draw in the House
House
Location("Office", "House ")
Location("Kitchen", "House")
Location("Desk", "Office")
Location("Chair", "Office")
Location("Computer", "Desk")
Location("Draw", "Desk")
Location("Knife", "Kitchen")
Location("Cheese", "Kitchen")
Location("Key", "Draw")
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Backward Chainingrule "go2"when String( this == "go2" ) isContainedIn("Draw", "House"; )then System.out.println( "Draw in the House" );end
query isContainedIn( String x, String y ) Location( x, y; ) or ( Location( z, y; ) and isContainedIn( x, z; ) )end
Location(z==Office, y==House)isContainedIn(x==Draw, z==Office)
Location(z==Kitchen, y==House)isContainedIn(x==Draw, z==Kitchen)
isContainedIn(x==Draw, y==House)
ksession.insert( "go2" );ksession.fireAllRules();---go2Draw in the House
House
Location("Office", "House ")
Location("Kitchen", "House")
Location("Desk", "Office")
Location("Chair", "Office")
Location("Computer", "Desk")
Location("Draw", "Desk")
Location("Knife", "Kitchen")
Location("Cheese", "Kitchen")
Location("Key", "Draw")
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Backward Chainingrule "go2"when String( this == "go2" ) isContainedIn("Draw", "House"; )then System.out.println( "Draw in the House" );end
query isContainedIn( String x, String y ) Location( x, y; ) or ( Location( z, y; ) and isContainedIn( x, z; ) )end
isContainedIn(x==Draw, y==Office)
ksession.insert( "go2" );ksession.fireAllRules();---go2Draw in the House
House
Location("Office", "House ")
Location("Kitchen", "House")
Location("Desk", "Office")
Location("Chair", "Office")
Location("Computer", "Desk")
Location("Draw", "Desk")
Location("Knife", "Kitchen")
Location("Cheese", "Kitchen")
Location("Key", "Draw")
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Backward Chainingrule "go2"when String( this == "go2" ) isContainedIn("Draw", "House"; )then System.out.println( "Draw in the House" );end
query isContainedIn( String x, String y ) Location( x, y; ) or ( Location( z, y; ) and isContainedIn( x, z; ) )end
Location(z==Desk, y==Office)isContainedIn(x==Draw, y==Office)
ksession.insert( "go2" );ksession.fireAllRules();---go2Draw in the House
House
Location("Office", "House ")
Location("Kitchen", "House")
Location("Desk", "Office")
Location("Chair", "Office")
Location("Computer", "Desk")
Location("Draw", "Desk")
Location("Knife", "Kitchen")
Location("Cheese", "Kitchen")
Location("Key", "Draw")
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Backward Chainingrule "go2"when String( this == "go2" ) isContainedIn("Draw", "House"; )then System.out.println( "Draw in the House" );end
query isContainedIn( String x, String y ) Location( x, y; ) or ( Location( z, y; ) and isContainedIn( x, z; ) )end
Location(z==Desk, y==Office)isContainedIn(x==Draw, z==Desk)
isContainedIn(x==Draw, y==Office)
ksession.insert( "go2" );ksession.fireAllRules();---go2Draw in the House
House
Location("Office", "House ")
Location("Kitchen", "House")
Location("Desk", "Office")
Location("Chair", "Office")
Location("Computer", "Desk")
Location("Draw", "Desk")
Location("Knife", "Kitchen")
Location("Cheese", "Kitchen")
Location("Key", "Draw")
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Backward Chainingrule "go2"when String( this == "go2" ) isContainedIn("Draw", "House"; )then System.out.println( "Draw in the House" );end
query isContainedIn( String x, String y ) Location( x, y; ) or ( Location( z, y; ) and isContainedIn( x, z; ) )end
isContainedIn(x==Draw, y==Desk)
ksession.insert( "go2" );ksession.fireAllRules();---go2Draw in the House
House
Location("Office", "House ")
Location("Kitchen", "House")
Location("Desk", "Office")
Location("Chair", "Office")
Location("Computer", "Desk")
Location("Draw", "Desk")
Location("Knife", "Kitchen")
Location("Cheese", "Kitchen")
Location("Key", "Draw")
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Backward Chainingrule "go2"when String( this == "go2" ) isContainedIn("Draw", "House"; )then System.out.println( "Draw in the House" );end
query isContainedIn( String x, String y ) Location( x, y; ) or ( Location( z, y; ) and isContainedIn( x, z; ) )end
Location(x==Draw, y==Desk)isContainedIn(x==Draw, y==Desk)
ksession.insert( "go2" );ksession.fireAllRules();---go2Draw in the House
House
Location("Office", "House ")
Location("Kitchen", "House")
Location("Desk", "Office")
Location("Chair", "Office")
Location("Computer", "Desk")
Location("Draw", "Desk")
Location("Knife", "Kitchen")
Location("Cheese", "Kitchen")
Location("Key", "Draw")
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Backward Chainingrule "go3"when String( this == "go3" ) isContainedIn("Key", "Office"; )then System.out.println( "Key in the Office" );end
House
Location("Office", "House ")
Location("Kitchen", "House")
Location("Desk", "Office")
Location("Chair", "Office")
Location("Computer", "Desk")
Location("Draw", "Desk")
Location("Knife", "Kitchen")
Location("Cheese", "Kitchen")
Location("Key", "Draw")
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Backward Chainingrule "go3"when String( this == "go3" ) isContainedIn("Key", "Office"; )then System.out.println( "Key in the Office" );end
ksession.insert( "go3" );ksession.fireAllRules();---go3
House
Location("Office", "House ")
Location("Kitchen", "House")
Location("Desk", "Office")
Location("Chair", "Office")
Location("Computer", "Desk")
Location("Draw", "Desk")
Location("Knife", "Kitchen")
Location("Cheese", "Kitchen")
Location("Key", "Draw")
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Backward Chainingrule "go3"when String( this == "go3" ) isContainedIn("Key", "Office"; )then System.out.println( "Key in the Office" );end
ksession.insert( "go3" );ksession.fireAllRules();---go3
ksession.insert( new Location("Key", "Draw") );ksession.fireAllRules();
---Key in the Office
House
Location("Office", "House ")
Location("Kitchen", "House")
Location("Desk", "Office")
Location("Chair", "Office")
Location("Computer", "Desk")
Location("Draw", "Desk")
Location("Knife", "Kitchen")
Location("Cheese", "Kitchen")
Location("Key", "Draw")
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Backward Chainingrule "go4"when String( this == "go4" ) isContainedIn(thing, "Office"; )then System.out.println( "thing " + thing + " is in the Office" );end
House
Location("Office", "House ")
Location("Kitchen", "House")
Location("Desk", "Office")
Location("Chair", "Office")
Location("Computer", "Desk")
Location("Draw", "Desk")
Location("Knife", "Kitchen")
Location("Cheese", "Kitchen")
Location("Key", "Draw")
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Backward Chainingrule "go4"when String( this == "go4" ) isContainedIn(thing, "Office"; )then System.out.println( "thing " + thing + " is in the Office" );end
Out
House
Location("Office", "House ")
Location("Kitchen", "House")
Location("Desk", "Office")
Location("Chair", "Office")
Location("Computer", "Desk")
Location("Draw", "Desk")
Location("Knife", "Kitchen")
Location("Cheese", "Kitchen")
Location("Key", "Draw")
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Backward Chainingrule "go4"when String( this == "go4" ) isContainedIn(thing, "Office"; )then System.out.println( "thing " + thing + " is in the Office" );end
ksession.insert( "go4" );ksession.fireAllRules();---go4thing Key is in the Officething Computer is in the Officething Draw is in the Officething Desk is in the Officething Chair is in the Office
Out
House
Location("Office", "House ")
Location("Kitchen", "House")
Location("Desk", "Office")
Location("Chair", "Office")
Location("Computer", "Desk")
Location("Draw", "Desk")
Location("Knife", "Kitchen")
Location("Cheese", "Kitchen")
Location("Key", "Draw")
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Backward Chainingrule "go5"when String( this == "go5" ) isContainedIn(thing, location; )then System.out.println( "thing " + thing + " is in " + location );end
House
Location("Office", "House ")
Location("Kitchen", "House")
Location("Desk", "Office")
Location("Chair", "Office")
Location("Computer", "Desk")
Location("Draw", "Desk")
Location("Knife", "Kitchen")
Location("Cheese", "Kitchen")
Location("Key", "Draw")
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Backward Chainingrule "go5"when String( this == "go5" ) isContainedIn(thing, location; )then System.out.println( "thing " + thing + " is in " + location );end
Out
House
Location("Office", "House ")
Location("Kitchen", "House")
Location("Desk", "Office")
Location("Chair", "Office")
Location("Computer", "Desk")
Location("Draw", "Desk")
Location("Knife", "Kitchen")
Location("Cheese", "Kitchen")
Location("Key", "Draw")
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Backward Chainingrule "go5"when String( this == "go5" ) isContainedIn(thing, location; )then System.out.println( "thing " + thing + " is in " + location );end
Out Out
House
Location("Office", "House ")
Location("Kitchen", "House")
Location("Desk", "Office")
Location("Chair", "Office")
Location("Computer", "Desk")
Location("Draw", "Desk")
Location("Knife", "Kitchen")
Location("Cheese", "Kitchen")
Location("Key", "Draw")
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Backward Chainingrule "go5"when String( this == "go5" ) isContainedIn(thing, location; )then System.out.println( "thing " + thing + " is in " + location );end
ksession.insert( "go5" );ksession.fireAllRules();---go5thing Knife is in Housething Cheese is in Housething Key is in Housething Computer is in Housething Draw is in Housething Desk is in Housething Chair is in Housething Key is in Office
thing Computer is in Officething Draw is in Officething Key is in Desk
thing Office is in House
Out Out
thing Computer is in Deskthing Knife is in Kitchenthing Cheese is in Kitchenthing Kitchen is in House
thing Key is in Drawthing Draw is in Desk
thing Desk is in Officething Chair is in Office
House
Location("Office", "House ")
Location("Kitchen", "House")
Location("Desk", "Office")
Location("Chair", "Office")
Location("Computer", "Desk")
Location("Draw", "Desk")
Location("Knife", "Kitchen")
Location("Cheese", "Kitchen")
Location("Key", "Draw")
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BRMS 6.0 Score Cards
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Score Cards• a) Setup Parameters• b) Characteristic Section
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Score Cards• UI Generates PMML• DRL Generated from PMML • DRL results in
• Calculated Score• Ranked Reason Codes
• Can import PMML 4.1• but not exposed yet
• Calculated Scores• Currently Summations• Weight coming
• Not in PMML standard
•
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6.0 JTMS
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Justification-based Truth • Drools 5.x• Simple logical insertion TMS, like Clips, Jess and
others.
• Drools 6.0• Contradiction handling with JTMS
• Clean separation of exception logic• TMS now has pluggable Belief System
• Simple TMS support• JTMS now possible.• Defeasible Logic soon
• See drools-compiler• JTMSTest for lots of example tests
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69
JTMSCouples the logic
What happens when the Child stops being 16?
rule "Issue Child Bus Pass"when $p : Person( age < 16 )then insert(new ChildBusPass( $p ) );endrule "Issue Adult Bus Pass"when $p : Person( age >= 16 )then insert(new AdultBusPass( $p ) );end
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JTMS• Bad• Monolithic• Leaky• Brittle integrity - manual maintenance
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71
JTMS
de-couples the logic
Maintains the truth by automatically retracting
•A rule “logically” inserts an object
•When the rule is no longer true, the object is retracted.rule "IsChild"when $p : Person( age < 16 )then logicalInsert( new IsChild( $p ) )endrule "IsAdult"when $p : Person( age >= 16 )then logicalInsert( new IsAdult( $p ) )end
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72
JTMS
The truth maintenance cascades
rule "Issue Child Bus Pass"when $p : Person( ) IsChild( person =$p )then logicalInsert(new ChildBusPass( $p ) );endrule "Issue Adult Bus Pass"when $p : Person() IsAdult( person =$p )then logicalInsert(new AdultBusPass( $p ) );end
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73
JTMSrule "Issue Child Bus Pass"when $p : Person( ) not( ChildBusPass( person == $p ) )then requestChildBusPass( $p );end The truth maintenance cascades
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74
JTMS• Good• De-couple knowledge responsibilities• Encapsulate knowledge• Provide semantic abstractions for those encapsulation• Integrity robustness – truth maintenance
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JTMS
IsChild
ChildBusPas
Rule : isChildRule
Rule : IssueBusPas
+
+
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JTMSrule "Do not issue to banned people"when $p : Person( ) Banned( person =$p )then logicalInsert(new ChildBusPass( $p ) , “neg” );end
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JTMS
IsChild
ChildBusPas
Rule : isChildRule
Rule : IssueBusPas
+
+
Rule : Do Not Issue to Banned People
-
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BRMS 6.0R.I.P Rete
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R.I.P RETEinspirations:• Leaps, Collection Oriented Match, L/R Unlinking
New Innovations• Full Rule, and Rule Segment Unlinking• Lazy Evaluation, with Rule scoping• Set propagations
Previous Innovations• Modify In Place• Property Reactive• Tree Based Graphs• Subnetwork support
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BRMS 6.0UI - OpenShift Ready
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5.x Critique
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5.x CritiqueUI
• GWT• but not easily extended• fixed layouts• no perspectives
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5.x CritiqueUI
• GWT• but not easily extended• fixed layouts• no perspectives
JCR• Performance Issues• Everything stored as blob• No tagging, branching etc.• Webdav• Limited team providers
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5.x CritiqueUI
• GWT• but not easily extended• fixed layouts• no perspectives
JCR• Performance Issues• Everything stored as blob• No tagging, branching etc.• Webdav• Limited team providers
Deployment• Binary blobs, on url
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5.x CritiqueContent• Single tree structure (packages)• Packages created project deployment units
• no real alignment with industry stadard• No easy rule use (only a single global area)• Loading “model” jars into packages
• Poor hack, for dependency management
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5.x CritiqueDeployment
•Simple Snapshot system
•No real methodology
•Doesn’t align with any industry standards
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UF UberFire
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Requirements• GWT + Errai• Modular design
• Plugins• Common Life cycles
• Compile time composition of plugins, via maven• Flexible layouts• Perspectives• GIT Backend• High Availability• Maven integration for “projects”
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UberFire Architecture Overview
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•Modular•Extensible
•Dynamic and Flexible layouts•Perspectives
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Simple POM Editor
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Build and Deploy
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Local Maven Repository and Manager
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Create or Clone Git Repos
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KIE - Knowledge Is Everything
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KIE - Knowledge Is Everything
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KIE - Knowledge Is Everything
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Community Beta3Demo
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UI Improvments
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UberFire new Navigation System
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UberFire new Navigation System
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UberFire new Navigation System
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UberFire new Navigation System
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Legacy Systems and Migration• Legacy API Adapter JAR• Most API’s should work with legacy adapter• KnowledegAgents have not been ported,
PKG’s are not longer the unit of deployment
• JCR Migration Tool• Command Line Java code• Each Package maps to a GIT project
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107
Questions?
• Dave Bowman: All right, HAL; I'll go in through the emergency airlock.
• HAL: Without your space helmet, Dave, you're going to find that rather difficult.
• Dave Bowman: HAL, I won't argue with you anymore! Open the doors!
• HAL: Dave, this conversation can serve no purpose anymore. Goodbye.
Joshya: Greetings, Professor Falken.Falken: Hello, Joshua.Joshya: A strange game. The only winning move is not to play. How about a nice game of chess?
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