Package org.kie.internal.runtime

Examples of org.kie.internal.runtime.StatelessKnowledgeSession

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        str += " $c : Cheese() \n";
        str += " then \n";
        str += " System.out.println($c); \n";
        str += "end \n";

        StatelessKnowledgeSession ksession = getSession(str);

        List<Command<?>> commands = new ArrayList<Command<?>>();
        commands.add(CommandFactory.newInsert("not cheese"));
        commands.add(CommandFactory.newFireAllRules("num-rules-fired"));

        ExecutionResults results = ksession.execute(CommandFactory.newBatchExecution(commands));
        int fired = Integer.parseInt(results.getValue("num-rules-fired").toString());

        assertEquals(0, fired);
    }
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        str += " $c : Cheese() \n";
        str += " then \n";
        str += " System.out.println($c); \n";
        str += "end \n";

        StatelessKnowledgeSession ksession = getSession(str);

        List<Command<?>> commands = new ArrayList<Command<?>>();
        commands.add(CommandFactory.newInsert(new Cheese("stilton")));
        FireAllRulesCommand farc = (FireAllRulesCommand) CommandFactory.newFireAllRules(10);
        farc.setOutIdentifier("num-rules-fired");
        commands.add(farc);

        ExecutionResults results = ksession.execute(CommandFactory.newBatchExecution(commands));
        int fired = Integer.parseInt(results.getValue("num-rules-fired").toString());

        assertEquals(1, fired);
    }
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        str += " $c : Cheese() \n";
        str += " then \n";
        str += " update($c); \n";
        str += "end \n";

        StatelessKnowledgeSession ksession = getSession(str);

        List<Command<?>> commands = new ArrayList<Command<?>>();
        commands.add(CommandFactory.newInsert(new Cheese("stilton")));
        FireAllRulesCommand farc = (FireAllRulesCommand) CommandFactory.newFireAllRules(10);
        farc.setOutIdentifier("num-rules-fired");
        commands.add(farc);

        ExecutionResults results = ksession.execute(CommandFactory.newBatchExecution(commands));
        int fired = Integer.parseInt(results.getValue("num-rules-fired").toString());

        assertEquals(10, fired);
    }
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    }

    @Test
    public void testBasicOperation() throws Exception {
        KnowledgeBase kbase = loadKnowledgeBase(kconf, "simpleSequential.drl");
        StatelessKnowledgeSession ksession = createStatelessKnowledgeSession( kbase );
        final List list = new ArrayList();
        ksession.setGlobal( "list",
                           list );

        final Person p1 = new Person( "p1",
                                      "stilton" );
        final Person p2 = new Person( "p2",
                                      "cheddar" );
        final Person p3 = new Person( "p3",
                                      "stilton" );

        final Cheese stilton = new Cheese( "stilton",
                                           15 );
        final Cheese cheddar = new Cheese( "cheddar",
                                           15 );


        ksession.execute( CommandFactory.newInsertElements(Arrays.asList( new Object[]{p1, stilton, p2, cheddar, p3} )) );

        assertEquals( 3,
                      list.size() );
    }
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    }
   
    @Test
    public void testSalience() throws Exception {
        KnowledgeBase kbase = loadKnowledgeBase(kconf, "simpleSalience.drl");
        StatelessKnowledgeSession ksession = createStatelessKnowledgeSession( kbase );

        final List list = new ArrayList();
        ksession.setGlobal( "list",
                           list );

        ksession.execute( new Person( "pob")  );

        assertEquals( 3,
                      list.size() );
       
        assertEquals( "rule 3", list.get( 0 ));
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        str +="then\n";
        str +="    System.out.println( drools.getKieRuntime() );\n";
        str +="end\n";

        KnowledgeBase kbase = loadKnowledgeBaseFromString(kconf, str);
        StatelessKnowledgeSession ksession = createStatelessKnowledgeSession( kbase );
       
        ksession.execute( new Message( "help" ) );
    }
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        str +="then\n";
        str +="    System.out.println( drools.getKieRuntime() );\n";
        str +="end\n";

        KnowledgeBase kbase = loadKnowledgeBaseFromString(kconf, str);
        StatelessKnowledgeSession ksession = createStatelessKnowledgeSession( kbase );
       
        final List list = new ArrayList();
       
        ksession.addEventListener( new AgendaEventListener() {

            public void matchCancelled(MatchCancelledEvent event) {
                assertNotNull( event.getKieRuntime() );
                list.add( event );
            }

            public void matchCreated(MatchCreatedEvent event) {
                assertNotNull( event.getKieRuntime() );
                list.add( event );
            }

            public void afterMatchFired(AfterMatchFiredEvent event) {
                assertNotNull( event.getKieRuntime() );
                list.add( event );
            }

            public void agendaGroupPopped(AgendaGroupPoppedEvent event) {
                assertNotNull( event.getKieRuntime() );
                list.add( event );
            }

            public void agendaGroupPushed(AgendaGroupPushedEvent event) {
                assertNotNull( event.getKieRuntime() );
                list.add( event );
            }

            public void beforeMatchFired(BeforeMatchFiredEvent event) {
                assertNotNull( event.getKieRuntime() );
                list.add( event );
            }

            public void beforeRuleFlowGroupActivated(RuleFlowGroupActivatedEvent event) {
                assertNotNull( event.getKieRuntime() );
                list.add( event );   
            }

            public void afterRuleFlowGroupActivated(RuleFlowGroupActivatedEvent event) {
                assertNotNull( event.getKieRuntime() );
                list.add( event ); 
            }

            public void beforeRuleFlowGroupDeactivated(RuleFlowGroupDeactivatedEvent event) {
                assertNotNull( event.getKieRuntime() );
                list.add( event );
            }

            public void afterRuleFlowGroupDeactivated(RuleFlowGroupDeactivatedEvent event) {
                assertNotNull( event.getKieRuntime() );
                list.add( event );
            }

        });
       
        ksession.addEventListener( new WorkingMemoryEventListener() {

            public void objectInserted(ObjectInsertedEvent event) {
                assertNotNull( event.getKieRuntime() );
                list.add( event );
            }

            public void objectDeleted(ObjectDeletedEvent event) {
                assertNotNull( event.getKieRuntime() );
                list.add( event );
            }

            public void objectUpdated(ObjectUpdatedEvent event) {
                assertNotNull( event.getKieRuntime() );
                list.add( event );
            }
           
        });
       
        ksession.execute( new Message( "help" ) );
       
        assertEquals( 4, list.size() );
    }
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    // JBRULES-1567 - ArrayIndexOutOfBoundsException in sequential execution after calling RuleBase.addPackage(..)
    @Test
    public void testSequentialWithRulebaseUpdate() throws Exception {
        KnowledgeBase kbase = loadKnowledgeBase(kconf, "simpleSalience.drl");
        StatelessKnowledgeSession ksession = createStatelessKnowledgeSession( kbase );

        final List list = new ArrayList();
        ksession.setGlobal( "list", list );

        ksession.execute(new Person("pob"));

        kbase.addKnowledgePackages(loadKnowledgePackagesFromString( new String( IoUtils.readBytesFromInputStream( DynamicRulesTest.class.getResource("test_Dynamic3.drl").openStream() ) ) ) );

        ksession = kbase.newStatelessKnowledgeSession();
        ksession.setGlobal( "list", list );
        Person person  = new Person("bop");
        ksession.execute(person);

        assertEquals( 7, list.size() );

        assertEquals( "rule 3", list.get( 0 ));
        assertEquals( "rule 2", list.get( 1 ));
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        }   else {
            kconf.setOption( SequentialOption.NO );
        }

        KnowledgeBase kbase = loadKnowledgeBase(kconf, file);
        StatelessKnowledgeSession ksession = createStatelessKnowledgeSession( kbase );

        final List list = new ArrayList();
        ksession.setGlobal( "list",
                           list );

        Object[] data = new Object[50000];
        for ( int i = 0; i < data.length; i++ ) {

            if ( i % 2 == 0 ) {
                final Person p = new Person( "p" + i,
                                             "stilton" );
                data[i] = p;
            } else {
                data[i] = new Cheese( "cheddar",
                                      i );
            }
        }

        if ( timetoMeasureIterations == 0 ) {
            //one shot measure
            long start = System.currentTimeMillis();
            ksession.execute( CommandFactory.newInsertElements(Arrays.asList(data)));
            System.out.println( "Time for " + message + ":" + (System.currentTimeMillis() - start) );
            assertTrue( list.size() > 0 );

        } else {
            //lots of shots
            //test throughput
            long start = System.currentTimeMillis();
            long end = start + timetoMeasureIterations;
            int count = 0;
            while ( System.currentTimeMillis() < end ) {
                StatelessKnowledgeSession sess2 = createStatelessKnowledgeSession( kbase );
                List list2 = new ArrayList();
                sess2.setGlobal( "list",
                                 list2 );

                sess2.execute( CommandFactory.newInsertElements(Arrays.asList(data)));
                //session.execute( data );
                count++;
            }
            System.out.println( "Iterations in for " + message + " : " + count );
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     public void testNotInStatelessSession() throws Exception {
         KieBaseConfiguration kbc = KnowledgeBaseFactory.newKnowledgeBaseConfiguration();
         kbc.setOption( RuleEngineOption.RETEOO );
         kbc.setOption( SequentialOption.YES );
         KnowledgeBase kbase = SerializationHelper.serializeObject( loadKnowledgeBase( kbc, "test_NotInStatelessSession.drl" ) );
         StatelessKnowledgeSession session = createStatelessKnowledgeSession( kbase );

         List list = new ArrayList();
         session.setGlobal( "list",
                            list );
         session.execute( "not integer" );
         assertEquals( "not integer",
                       list.get( 0 ) );
     }
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Related Classes of org.kie.internal.runtime.StatelessKnowledgeSession

  • org.drools.benchmark.benchmarks.SingleStatelessRule
  • org.drools.benchmark.benchmarks.StatelessSessionCreation
  • org.drools.camel.component.BatchTest
  • org.drools.camel.component.XStreamBatchExecutionTest
  • org.drools.compiler.command.RegisterWorkItemHandlerTest
  • org.drools.compiler.factmodel.traits.TraitTest
  • org.drools.compiler.integrationtests.FireAllRulesCommandTest
  • org.drools.compiler.integrationtests.GlobalsTest
  • org.drools.compiler.integrationtests.MiscTest
  • org.drools.compiler.integrationtests.sequential.SequentialTest
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