Examples of org.drools.core.RuleBase

org.drools.core.RuleBase
Active collection of Rules.
From a RuleBase many WorkingMemory rule sessions may be instantiated. Additionally, it may be inspected to determine which Package s it contains.
@see WorkingMemory

        final Accumulate acc = (Accumulate) builder.build( context,
                                                           accDescr );


        ((MVELCompileable) acc.getAccumulators()[0]).compile( (MVELDialectRuntimeData) pkgBuilder.getPackageRegistry( pkg.getName() ).getDialectRuntimeRegistry().getDialectData( "mvel" ) );


        final RuleBase ruleBase = RuleBaseFactory.newRuleBase();
        final WorkingMemory wm = ruleBase.newStatefulSession();


        MockLeftTupleSink sink = new MockLeftTupleSink();
        final Cheese cheddar1 = new Cheese( "cheddar",
                                            10 );
        final Cheese cheddar2 = new Cheese( "cheddar",

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        text += "    eval($fact.stayHasDaysOfWeek(\"mvel\", false, new String[][]{{\"2008-04-01\", \"2008-04-10\"}}))\n";
        text += "then\n";
        text += "    $fact.applyValueAddPromo(1,2,3,4,\"mvel\");\n";
        text += "end";
        
        RuleBase ruleBase = RuleBaseFactory.newRuleBase();
        // get the java dialect
        ruleBase.addPackage( compileRule( text.replaceAll( "mvel",
                                                          "java" ) ) );
        // get the mvel dialect
        ruleBase.addPackage( compileRule( text ) );


        List<String> list = new ArrayList<String>();
        
        ruleBase.newStatelessSession().execute( new TestObject( list ) );
        
        assertEquals( 6, list.size() );


        assertTrue(list.containsAll( Arrays.asList("TestObject.checkHighestPriority: java|2",
                                                   "TestObject.stayHasDaysOfWeek: java|false|[2008-04-01, 2008-04-10]",

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        final MVELEvalBuilder builder = new MVELEvalBuilder();
        final EvalCondition eval = (EvalCondition) builder.build( context,
                                                                  evalDescr );
        ((MVELEvalExpression) eval.getEvalExpression()).compile( (MVELDialectRuntimeData) pkgBuilder.getPackageRegistry( pkg.getName() ).getDialectRuntimeRegistry().getDialectData( "mvel" ) );


        final RuleBase ruleBase = RuleBaseFactory.newRuleBase();
        final InternalWorkingMemory wm = (InternalWorkingMemory) ruleBase.newStatefulSession();


        MockLeftTupleSink sink = new MockLeftTupleSink();
        final Cheese cheddar = new Cheese( "cheddar",
                                           10 );
        final InternalFactHandle f0 = (InternalFactHandle) wm.insert( cheddar );

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                       predicateDescr,
                       analysis );
        
        ( (MVELPredicateExpression) predicate.getPredicateExpression()).compile( (MVELDialectRuntimeData) pkgRegistry.getDialectRuntimeRegistry().getDialectData( "mvel" ) );


        final RuleBase ruleBase = RuleBaseFactory.newRuleBase();
        final InternalWorkingMemory wm = (InternalWorkingMemory) ruleBase.newStatefulSession();


        final Cheese stilton = new Cheese( "stilton",
                                           10 );


        final Cheese cheddar = new Cheese( "cheddar",

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        context.setDeclarationResolver( declarationResolver );


        final MVELConsequenceBuilder builder = new MVELConsequenceBuilder();
        builder.build( context, Rule.DEFAULT_CONSEQUENCE_NAME );


        final RuleBase ruleBase = RuleBaseFactory.newRuleBase();
        final WorkingMemory wm = ruleBase.newStatefulSession();


        final Cheese cheddar = new Cheese( "cheddar",
                                           10 );
        final InternalFactHandle f0 = (InternalFactHandle) wm.insert( cheddar );
        final LeftTupleImpl tuple = new LeftTupleImpl( f0,

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    @Test
    public void testHelloWorld() throws Exception {
        // read in the source
        final Reader reader = new InputStreamReader( getClass().getResourceAsStream( "test_mvel.drl" ) );
        RuleBase ruleBase = loadRuleBase( reader );


        final WorkingMemory workingMemory = ruleBase.newStatefulSession();
        
        final List list = new ArrayList();
        workingMemory.setGlobal( "list",
                                 list );

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    public void testLocalVariableMVELConsequence() throws Exception {
        final PackageBuilder builder = new PackageBuilder();
        builder.addPackageFromDrl( new InputStreamReader( getClass().getResourceAsStream( "test_LocalVariableMVELConsequence.drl" ) ) );
        final Package pkg = builder.getPackage();


        RuleBase ruleBase = getRuleBase();
        ruleBase.addPackage( pkg );
        ruleBase = SerializationHelper.serializeObject( ruleBase );


        final WorkingMemory workingMemory = ruleBase.newStatefulSession();


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

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        MVELDebugHandler.setDebugMode( true );
        try {
            final PackageBuilder builder = new PackageBuilder();
            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();

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    public void testLogicalInsertionsNoLoop() throws Exception {
        final PackageBuilder builder = new PackageBuilder();
        builder.addPackageFromDrl( new InputStreamReader( getClass().getResourceAsStream( "test_LogicalInsertionsNoLoop.drl" ) ) );
        final Package pkg = builder.getPackage();


        RuleBase ruleBase = getRuleBase();
        ruleBase.addPackage( pkg );
        ruleBase = SerializationHelper.serializeObject(ruleBase);
        final WorkingMemory workingMemory = ruleBase.newStatefulSession();


        List list;


        final List l = new ArrayList();
        final Person a = new Person( "a" );

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        if ( builder.hasErrors() ) {
            fail( builder.getErrors().toString() );
        }
        final Package pkg = builder.getPackage();


        RuleBase ruleBase = getRuleBase();
        ruleBase.addPackage( pkg );
        ruleBase = SerializationHelper.serializeObject(ruleBase);
        StatefulSession workingMemory = ruleBase.newStatefulSession();


        List l;
        final Person p = new Person( "person" );
        p.setAge( 2 );
        FactHandle h = workingMemory.insert( p );

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org.acme.insurance.launcher.PricingRuleLauncher

org.drools.compiler.CommonTestMethodBase

org.drools.compiler.compiler.QueryBuilderTest

org.drools.compiler.compiler.RuleBaseLoader

org.drools.compiler.compiler.RuleBaseLoaderTest

org.drools.compiler.integrationtests.AccumulateTest

org.drools.compiler.integrationtests.DroolsTest

org.drools.compiler.integrationtests.DynamicRulesTest

org.drools.compiler.integrationtests.eventgenerator.example.ExampleScenario

org.drools.compiler.integrationtests.eventgenerator.SimpleEventGeneratorTest

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