Package org.drools.core

Examples of org.drools.core.StatefulSession

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        }

        final RuleBase ruleBase = RuleBaseFactory.newRuleBase();
        ruleBase.addPackage( builder.getPackage() );

        final StatefulSession session = ruleBase.newStatefulSession();

//        final WorkingMemoryFileLogger logger = new WorkingMemoryFileLogger( session );
//        logger.setFileName( "log/state" );

        final State a = new State( "A" );
        final State b = new State( "B" );
        final State c = new State( "C" );
        final State d = new State( "D" );
        final State e = new State( "E" );

        // By setting dynamic to TRUE, Drools will use JavaBean
        // PropertyChangeListeners so you don't have to call update().
        final boolean dynamic = true;

        session.insert( a,
                        dynamic );
        session.insert( b,
                        dynamic );
        session.insert( c,
                        dynamic );
        session.insert( d,
                        dynamic );
        session.insert( e,
                        dynamic );

        session.fireAllRules();

        builder = new PackageBuilder();
        try {
            builder.addPackageFromDrl( new InputStreamReader( StateExampleWithDynamicRules.class.getResourceAsStream( "StateExampleDynamicRule.drl" ) ) );
        } catch (DroolsParserException ex) {
            throw new IllegalArgumentException("Invalid drl", ex);
        } catch (IOException ex) {
            throw new IllegalArgumentException("Could not read drl", ex);
        }
        ruleBase.addPackage( builder.getPackage() );

        session.fireAllRules();
        session.dispose();

//        logger.writeToDisk();
    }
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        }

        final RuleBase ruleBase = RuleBaseFactory.newRuleBase();
        ruleBase.addPackage( builder.getPackage() );

        final StatefulSession session = ruleBase.newStatefulSession();

//        final WorkingMemoryFileLogger logger = new WorkingMemoryFileLogger( session );
//        logger.setFileName( "log/state" );

        final State a = new State( "A" );
        final State b = new State( "B" );
        final State c = new State( "C" );
        final State d = new State( "D" );

        // By setting dynamic to TRUE, Drools will use JavaBean
        // PropertyChangeListeners so you don't have to call update().
        final boolean dynamic = true;

        session.insert( a,
                        dynamic );
        session.insert( b,
                        dynamic );
        session.insert( c,
                        dynamic );
        session.insert( d,
                        dynamic );

        session.fireAllRules();

//        logger.writeToDisk();
       
        session.dispose(); // Stateful rule session must always be disposed when finished       
    }
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        }

        final RuleBase ruleBase = RuleBaseFactory.newRuleBase();
        ruleBase.addPackage( builder.getPackage() );

        final StatefulSession session = ruleBase.newStatefulSession();

        session.addEventListener( new DefaultAgendaEventListener() {
            public void afterActivationFired(final AfterActivationFiredEvent arg0) {
                super.afterActivationFired( arg0,
                                            session );
            }
        } );

//        final WorkingMemoryFileLogger logger = new WorkingMemoryFileLogger( session );
//        logger.setFileName( "log/state.log" );

        final State a = new State( "A" );
        final State b = new State( "B" );
        final State c = new State( "C" );
        final State d = new State( "D" );

        // By setting dynamic to TRUE, Drools will use JavaBean
        // PropertyChangeListeners so you don't have to call update().
        final boolean dynamic = true;

        session.insert( a,
                        dynamic );
        session.insert( b,
                        dynamic );
        session.insert( c,
                        dynamic );
        session.insert( d,
                        dynamic );

        session.fireAllRules();
        session.dispose();

//        logger.writeToDisk();
    }
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    }

    private class TestTemplateRuleBase implements TemplateRuleBase {

        public StatefulSession newStatefulSession() {
            return new StatefulSession() {
                private static final long serialVersionUID = 510l;

                public void addEventListener(WorkingMemoryEventListener arg0) {

                }
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        assertLength( 0,
                      builder.getErrors().getErrors() );

        RuleBase rbase = RuleBaseFactory.newRuleBase();
        rbase.addPackage( builder.getPackage() );
        StatefulSession session = rbase.newStatefulSession();

        session.insert( new Person( "bobba",
                                    "stilton",
                                    90 ) );
        session.insert( new Person( "bobba",
                                    "brie",
                                    80 ) );
        session.insert( new Person( "bobba",
                                    "brie",
                                    75 ) );
        session.insert( new Person( "darth",
                                    "brie",
                                    100 ) );
        session.insert( new Person( "luke",
                                    "brie",
                                    25 ) );
        session.insert( new Cheese( "brie",
                                    25 ) );
        session.fireAllRules();
    }
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                      builder.getErrors().getErrors() );

        RuleBase ruleBase = RuleBaseFactory.newRuleBase();
        ruleBase.addPackage( builder.getPackage() );

        StatefulSession session = ruleBase.newStatefulSession();

        session.insert( new Cheese( "stilton",
                                    15 ) );

        QueryResults results = session.getQueryResults( "query1",
                                                        "stilton" );
        assertEquals( 1,
                      results.size() );
        Object object = results.get( 0 ).get( 0 );
        assertEquals( new Cheese( "stilton",
                                  15 ),
                      object );

        results = session.getQueryResults( "query1",
                                           new Object[]{"cheddar"} );
        assertEquals( 0,
                      results.size() );

        session.insert( new Cheese( "dolcelatte",
                                    20 ) );
        results = session.getQueryResults( "query2",
                                           new Object[]{} );
        assertEquals( 2,
                      results.size() );
    }
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            builder.addPackageFromDrl( new InputStreamReader( getClass().getResourceAsStream( "test_MVELGlobalDebug.drl" ) ) );
            final Package pkg = builder.getPackage();
            RuleBase ruleBase = getRuleBase();
            ruleBase.addPackage( pkg );
            ruleBase = SerializationHelper.serializeObject( ruleBase );
            final StatefulSession session = ruleBase.newStatefulSession();
            session.dispose();
            MVELDebugHandler.setDebugMode( false );
        } catch ( Exception e ) {
            MVELDebugHandler.setDebugMode( false );
            e.printStackTrace();
            fail( "Should not raise exceptions" );
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            RuleBase ruleBase = RuleBaseFactory.newRuleBase( rbconf );
            Package pkg = SerializationHelper.serializeObject( builder.getPackage() );
            ruleBase.addPackage( pkg );
            //            ruleBase    = SerializationHelper.serializeObject(ruleBase);

            StatefulSession wm = ruleBase.newStatefulSession();
            wm.insert( cheeseClass.newInstance() );
            wm.fireAllRules();

            // Creates second class loader and use it to load fact classes
            ClassLoader loader2 = new SubvertedClassLoader( new URL[]{getClass().getResource( "/" )},
                                                            this.getClass().getClassLoader() );
            cheeseClass = loader2.loadClass( "org.drools.compiler.Cheese" );

            conf = new PackageBuilderConfiguration( loader2 );
            builder = new PackageBuilder( conf );
            builder.addPackageFromDrl( new InputStreamReader( getClass().getResourceAsStream( "test_Dynamic1.drl" ) ) );

            rbconf = new RuleBaseConfiguration( loader2 );
            ruleBase = RuleBaseFactory.newRuleBase( rbconf );
            pkg = SerializationHelper.serializeObject( builder.getPackage() );
            ruleBase.addPackage( pkg );
            //            ruleBase    = SerializationHelper.serializeObject(ruleBase);

            wm = ruleBase.newStatefulSession();
            wm.insert( cheeseClass.newInstance() );
            wm.fireAllRules();
        } catch ( ClassCastException cce ) {
            cce.printStackTrace();
            fail( "No ClassCastException should be raised." );
        }
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            RuleBase ruleBase = RuleBaseFactory.newRuleBase();
            Package pkg = SerializationHelper.serializeObject( builder.getPackage() );
            ruleBase.addPackage( pkg );

            StatefulSession wm = ruleBase.newStatefulSession();
            wm.insert( cheeseClass.newInstance() );
            wm.fireAllRules();

            // Creates second class loader and use it to load fact classes
            ClassLoader loader2 = new SubvertedClassLoader( new URL[]{getClass().getResource( "/" )},
                                                            this.getClass().getClassLoader() );
            Thread.currentThread().setContextClassLoader( loader2 );
            cheeseClass = loader2.loadClass( "org.drools.compiler.Cheese" );

            builder = new PackageBuilder();
            builder.addPackageFromDrl( new InputStreamReader( getClass().getResourceAsStream( "test_Dynamic1.drl" ) ) );

            ruleBase = RuleBaseFactory.newRuleBase();
            pkg = SerializationHelper.serializeObject( builder.getPackage() );
            ruleBase.addPackage( pkg );

            wm = ruleBase.newStatefulSession();
            wm.insert( cheeseClass.newInstance() );
            wm.fireAllRules();

            Thread.currentThread().setContextClassLoader( original );
        } catch ( ClassCastException cce ) {
            cce.printStackTrace();
            fail( "No ClassCastException should be raised." );
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        ReteooRuleBase rb = new ReteooRuleBase( "dummy" );
        rb.addPackage( pkgBuilder.getPackage() );

        // This one works
        List list = new ArrayList();
        StatefulSession session = rb.newStatefulSession();
        session.setGlobal( "list",
                           list );
        session.fireAllRules();
        assertEquals( 1,
                      list.size() );

        list.clear();
        // ... remove ...
        rb.removePackage( pkgBuilder.getPackage().getName() );
        rb.addPackage( pkgBuilder.getPackage() );
        session = rb.newStatefulSession();
        session.setGlobal( "list",
                           list );
        session.fireAllRules();
        assertEquals( 1,
                      list.size() );
    }
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Related Classes of org.drools.core.StatefulSession

  • org.drools.compiler.compiler.QueryBuilderTest
  • org.drools.compiler.integrationtests.DynamicRulesChangesTest$RulesExecutor
  • org.drools.compiler.integrationtests.DynamicRulesTest
  • org.drools.compiler.integrationtests.ExecutionFlowControlTest
  • org.drools.compiler.integrationtests.FirstOrderLogicTest
  • org.drools.compiler.integrationtests.manners.MannersBenchmark
  • org.drools.compiler.integrationtests.marshalling.MarshallingTest
  • org.drools.compiler.integrationtests.MiscTest
  • org.drools.compiler.integrationtests.MVELTest
  • org.drools.compiler.integrationtests.OutOfMemoryTest
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