Package org.kie.builder

Examples of org.kie.builder.KnowledgeBuilder

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        PersistenceUtil.tearDown(context);
    }

    private KnowledgeBase initializeKnowledgeBase(String rule) {
        // Initialize knowledge base/session/etc..
        KnowledgeBuilder kbuilder = KnowledgeBuilderFactory.newKnowledgeBuilder();
        kbuilder.add( ResourceFactory.newByteArrayResource(rule.getBytes()), ResourceType.DRL);

        if (kbuilder.hasErrors()) {
            fail(kbuilder.getErrors().toString());
        }

        KnowledgeBase kbase = KnowledgeBaseFactory.newKnowledgeBase();
        kbase.addKnowledgePackages(kbuilder.getKnowledgePackages());
      
        return kbase;
    }
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    }


    @Test
    public void createPersistentSessionWithRules() {
        KnowledgeBuilder kbuilder = KnowledgeBuilderFactory
                .newKnowledgeBuilder();

        String rule = "package org.drools.persistence.map.impl\n";
        rule += "import org.drools.persistence.map.impl.Buddy;\n";
        rule += "rule \"echo2\" \n";
        rule += "dialect \"mvel\"\n";
        rule += "when\n";
        rule += "    $m : Buddy()\n";
        rule += "then\n";
        rule += "    System.out.println(\"buddy inserted\")";
        rule += "end\n";
        kbuilder.add( new ByteArrayResource( rule.getBytes() ),
                      ResourceType.DRL );
        KnowledgeBuilderErrors errors = kbuilder.getErrors();
        if ( errors != null && errors.size() > 0 ) {
            for ( KnowledgeBuilderError error : errors ) {
                logger.warn( "Error: " + error.getMessage() );
            }
            Assert.fail( "KnowledgeBase did not build" );
        }

        KnowledgeBase kbase = KnowledgeBaseFactory.newKnowledgeBase();
        kbase.addKnowledgePackages( kbuilder.getKnowledgePackages() );

        StatefulKnowledgeSession ksession = createSession( kbase );

        FactHandle buddyFactHandle = ksession.insert( new Buddy() );
        ksession.fireAllRules();
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        PersistenceUtil.tearDown(context);
    }

    private KnowledgeBase initializeKnowledgeBase(String rule) {
        // Initialize knowledge base/session/etc..
        KnowledgeBuilder kbuilder = KnowledgeBuilderFactory.newKnowledgeBuilder();
        kbuilder.add( ResourceFactory.newByteArrayResource(rule.getBytes()), ResourceType.DRL);

        if (kbuilder.hasErrors()) {
            fail(kbuilder.getErrors().toString());
        }

        KnowledgeBase kbase = KnowledgeBaseFactory.newKnowledgeBase();
        kbase.addKnowledgePackages(kbuilder.getKnowledgePackages());
      
        return kbase;
    }
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  }
 
  private CommandBasedStatefulKnowledgeSession createSession() {
   
    KnowledgeBuilder kbuilder = KnowledgeBuilderFactory.newKnowledgeBuilder();
        kbuilder.add( new ClassPathResource("ruleflowgroup_rollback.drl"), ResourceType.DRL );
        KnowledgeBase kbase = KnowledgeBaseFactory.newKnowledgeBase();

        if ( kbuilder.hasErrors() ) {
            fail( kbuilder.getErrors().toString() );
        }

        kbase.addKnowledgePackages( kbuilder.getKnowledgePackages() );

        Environment env = createEnvironment(context);
        return (CommandBasedStatefulKnowledgeSession) JPAKnowledgeService.newStatefulKnowledgeSession( kbase, null, env );
  }
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        session.fireAllRules();
        session.dispose();
    }

    private KnowledgeBase readRule() {
        KnowledgeBuilder kbuilder = KnowledgeBuilderFactory.newKnowledgeBuilder();
        kbuilder.add( ResourceFactory.newInputStreamResource( getClass().getResourceAsStream( "/waltz.drl" ) ), ResourceType.DRL );
        KnowledgeBase kbase = KnowledgeBaseFactory.newKnowledgeBase();
        kbase.addKnowledgePackages( kbuilder.getKnowledgePackages() );
        return kbase;
    }
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    }

    @Override
    public void init(BenchmarkDefinition definition, boolean isFirst) {
        if (isFirst) {
            KnowledgeBuilder kbuilder = createKnowledgeBuilder("cep.drl");

            KieBaseConfiguration config = KnowledgeBaseFactory.newKnowledgeBaseConfiguration();
            config.setOption( EventProcessingOption.STREAM );

            kbase = KnowledgeBaseFactory.newKnowledgeBase(config);
            kbase.addKnowledgePackages(kbuilder.getKnowledgePackages());
        }

        ksession = kbase.newStatefulKnowledgeSession();
        new Thread(new Runnable() {
            public void run() {
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        str += "then\n";
        str += " list.add( $i );\n";
        str += "end\n";
        str += "\n";

        KnowledgeBuilder kbuilder = KnowledgeBuilderFactory.newKnowledgeBuilder();
        kbuilder.add( ResourceFactory.newByteArrayResource( str.getBytes() ),
                      ResourceType.DRL );
        KnowledgeBase kbase = KnowledgeBaseFactory.newKnowledgeBase();

        if ( kbuilder.hasErrors() ) {
            fail( kbuilder.getErrors().toString() );
        }

        kbase.addKnowledgePackages( kbuilder.getKnowledgePackages() );

        StatefulKnowledgeSession ksession = JPAKnowledgeService.newStatefulKnowledgeSession( kbase, null, env );
        List<?> list = new ArrayList<Object>();

        ksession.setGlobal( "list",
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        str += "then\n";
        str += "  list.add( 1 );\n";
        str += "end\n";
        str += "\n";

        KnowledgeBuilder kbuilder = KnowledgeBuilderFactory.newKnowledgeBuilder();
        kbuilder.add( ResourceFactory.newByteArrayResource( str.getBytes() ),
                      ResourceType.DRL );
        KnowledgeBase kbase = KnowledgeBaseFactory.newKnowledgeBase();

        if ( kbuilder.hasErrors() ) {
            fail( kbuilder.getErrors().toString() );
        }

        kbase.addKnowledgePackages( kbuilder.getKnowledgePackages() );

        StatefulKnowledgeSession ksession = JPAKnowledgeService.newStatefulKnowledgeSession( kbase, null, env );
        List<?> list = new ArrayList<Object>();

        ksession.setGlobal( "list",
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        str += "then\n";
        str += "  list.add( $i );\n";
        str += "end\n";
        str += "\n";

        KnowledgeBuilder kbuilder = KnowledgeBuilderFactory.newKnowledgeBuilder();
        kbuilder.add( ResourceFactory.newByteArrayResource( str.getBytes() ),
                      ResourceType.DRL );
        KnowledgeBase kbase = KnowledgeBaseFactory.newKnowledgeBase();

        if ( kbuilder.hasErrors() ) {
            fail( kbuilder.getErrors().toString() );
        }

        kbase.addKnowledgePackages( kbuilder.getKnowledgePackages() );

        UserTransaction ut = (UserTransaction) new InitialContext().lookup( "java:comp/UserTransaction" );
        ut.begin();
        StatefulKnowledgeSession ksession = JPAKnowledgeService.newStatefulKnowledgeSession( kbase, null, env );
        ut.commit();
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        str += "then\n";
        str += "  list.add( 1 );\n";
        str += "end\n";
        str += "\n";

        KnowledgeBuilder kbuilder = KnowledgeBuilderFactory.newKnowledgeBuilder();
        kbuilder.add( ResourceFactory.newByteArrayResource( str.getBytes() ),
                      ResourceType.DRL );
        KnowledgeBase kbase = KnowledgeBaseFactory.newKnowledgeBase();

        if ( kbuilder.hasErrors() ) {
            fail( kbuilder.getErrors().toString() );
        }

        kbase.addKnowledgePackages( kbuilder.getKnowledgePackages() );

        StatefulKnowledgeSession ksession = JPAKnowledgeService.newStatefulKnowledgeSession( kbase, null, env );
        SingleSessionCommandService sscs = (SingleSessionCommandService)
            ((CommandBasedStatefulKnowledgeSession) ksession).getCommandService();
        sscs.addInterceptor(new LoggingInterceptor());
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Related Classes of org.kie.builder.KnowledgeBuilder

  • org.drools.benchmark.benchmarks.CepBenchmark
  • org.drools.benchmark.benchmarks.WaltzBenchmark
  • org.drools.benchmark.util.DroolsUtil
  • org.drools.command.builder.KnowledgeBuilderAddCommand
  • org.drools.command.builder.KnowledgeBuilderGetErrorsCommand
  • org.drools.command.builder.KnowledgeBuilderGetKnowledgePackagesCommand
  • org.drools.command.builder.KnowledgeBuilderHasErrorsCommand
  • org.drools.command.builder.NewKnowledgeBuilderCommand
  • org.drools.command.KnowledgeBaseAddKnowledgePackagesCommand
  • org.drools.eclipse.DroolsEclipsePlugin
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