Package org.drools.rule

Examples of org.drools.rule.EvalCondition

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        final PackageBuilder builder1 = new PackageBuilder();
        final PackageDescr packageDescr1 = new PackageDescr( "package1" );
        createEvalRule( packageDescr1,
                        "1==1" );
        builder1.addPackage( packageDescr1 );
        final EvalCondition eval1 = (EvalCondition) builder1.getPackage().getRules()[0].getLhs().getChildren().get( 0 );

        final PackageBuilder builder2 = new PackageBuilder();
        final PackageDescr packageDescr2 = new PackageDescr( "package2" );
        createEvalRule( packageDescr2,
                        "1==1" );
        builder2.addPackage( packageDescr2 );
        final EvalCondition eval2 = (EvalCondition) builder2.getPackage().getRules()[0].getLhs().getChildren().get( 0 );

        final PackageBuilder builder3 = new PackageBuilder();
        final PackageDescr packageDescr3 = new PackageDescr( "package3" );
        createEvalRule( packageDescr3,
                        "1==3" );
        builder3.addPackage( packageDescr3 );
        final EvalCondition eval3 = (EvalCondition) builder3.getPackage().getRules()[0].getLhs().getChildren().get( 0 );

        assertEquals( eval1,
                      eval2 );
        assertFalse( eval1.equals( eval3 ) );
        assertFalse( eval2.equals( eval3 ) );
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        assertLength( 0,
                      builder.getErrors().getErrors() );

        final Package pkg = builder.getPackage();
        final Rule rule = pkg.getRule( "rule-1" );
        final EvalCondition eval = (EvalCondition) rule.getLhs().getChildren().get( 1 );
        final CompiledInvoker invoker = (CompiledInvoker) eval.getEvalExpression();
        final List list = invoker.getMethodBytecode();
    }
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        final PackageBuilder builder1 = new PackageBuilder();
        final PackageDescr packageDescr1 = new PackageDescr( "package1" );
        createEvalRule( packageDescr1,
                        "1==1" );
        builder1.addPackage( packageDescr1 );
        final EvalCondition eval1 = (EvalCondition) builder1.getPackage().getRules()[0].getLhs().getChildren().get( 0 );

        final PackageBuilder builder2 = new PackageBuilder();
        final PackageDescr packageDescr2 = new PackageDescr( "package2" );
        createEvalRule( packageDescr2,
                        "1==1" );
        builder2.addPackage( packageDescr2 );
        final EvalCondition eval2 = (EvalCondition) builder2.getPackage().getRules()[0].getLhs().getChildren().get( 0 );

        final PackageBuilder builder3 = new PackageBuilder();
        final PackageDescr packageDescr3 = new PackageDescr( "package3" );
        createEvalRule( packageDescr3,
                        "1==3" );
        builder3.addPackage( packageDescr3 );
        final EvalCondition eval3 = (EvalCondition) builder3.getPackage().getRules()[0].getLhs().getChildren().get( 0 );

        assertEquals( eval1,
                      eval2 );
        assertFalse( eval1.equals( eval3 ) );
        assertFalse( eval2.equals( eval3 ) );
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        final EvalDescr evalDescr = new EvalDescr();
        evalDescr.setContent( "a == 10" );

        final MVELEvalBuilder builder = new MVELEvalBuilder();
        final EvalCondition eval = (EvalCondition) builder.build( context,
                                                                  evalDescr );

        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 ReteTuple tuple = new ReteTuple( f0 );

        assertTrue( eval.isAllowed( tuple,
                                    wm ) );

        cheddar.setPrice( 9 );
        wm.update( f0,
                   cheddar );
        assertFalse( eval.isAllowed( tuple,
                                     wm ) );
    }
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                                                                       null,
                                                                       null,
                                                                       context,
                                                                       "drools",
                                                                       KnowledgeHelper.class);
            final EvalCondition eval = new EvalCondition( previousDeclarations );

            MVELEvalExpression expr = new MVELEvalExpression( unit,
                                                              dialect.getId() );
            eval.setEvalExpression( expr );

            MVELDialectRuntimeData data = (MVELDialectRuntimeData) context.getPkg().getDialectRuntimeRegistry().getDialectData( context.getDialect().getId() );
            data.addCompileable( eval,
                                  expr );
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                                                                       analysis,
                                                                       previousDeclarations,
                                                                       null,
                                                                       null,
                                                                       context );
            final EvalCondition eval = new EvalCondition( previousDeclarations );

            MVELEvalExpression expr = new MVELEvalExpression( unit,
                                                              dialect.getId() );
            eval.setEvalExpression( expr );           
           
            MVELDialectRuntimeData data = (MVELDialectRuntimeData) context.getPkg().getDialectRuntimeRegistry().getDialectData( context.getDialect().getId() );
            data.addCompileable( eval,
                                  expr );
           
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        for ( int i = 0, size = usedIdentifiers[0].size(); i < size; i++ ) {
            declarations[i] = context.getDeclarationResolver().getDeclaration(context.getRule(), (String) usedIdentifiers[0].get( i ) );
        }

        final EvalCondition eval = new EvalCondition( declarations );

        final Map map = createVariableContext( className,
                                               (String) evalDescr.getContent(),
                                               context,
                                               declarations,
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                                                                       null,
                                                                       null,
                                                                       context,
                                                                       "drools",
                                                                       KnowledgeHelper.class);
            final EvalCondition eval = new EvalCondition( previousDeclarations );

            MVELEvalExpression expr = new MVELEvalExpression( unit,
                                                              dialect.getId() );
            eval.setEvalExpression( expr );

            MVELDialectRuntimeData data = (MVELDialectRuntimeData) context.getPkg().getDialectRuntimeRegistry().getDialectData( "mvel" );
            data.addCompileable( eval,
                                  expr );
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     */
    public void build(final BuildContext context,
                      final BuildUtils utils,
                      final RuleConditionElement rce) {

        final EvalCondition eval = (EvalCondition) rce;
        context.pushRuleComponent( rce );
        utils.checkUnboundDeclarations( context,
                                        eval.getRequiredDeclarations() );
        context.setTupleSource( (LeftTupleSource) utils.attachNode( context,
                                                                new EvalConditionNode( context.getNextId(),
                                                                                       context.getTupleSource(),
                                                                                       eval,
                                                                                       context ) ) );
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                                                                       null,
                                                                       null,
                                                                       context,
                                                                       "drools",
                                                                       KnowledgeHelper.class);
            final EvalCondition eval = new EvalCondition( previousDeclarations );

            MVELEvalExpression expr = new MVELEvalExpression( unit,
                                                              dialect.getId() );
            eval.setEvalExpression( expr );

            MVELDialectRuntimeData data = (MVELDialectRuntimeData) context.getPkg().getDialectRuntimeRegistry().getDialectData( "mvel" );
            data.addCompileable( eval,
                                  expr );
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Related Classes of org.drools.rule.EvalCondition

  • org.drools.compiler.PackageBuilderTest
  • org.drools.phreak.RuleNetworkEvaluatorActivation$PhreakEvalNode
  • org.drools.reteoo.builder.EvalBuilder
  • org.drools.reteoo.test.dsl.EvalNodeStep
  • org.drools.rule.builder.ConditionalBranchBuilder
  • org.drools.rule.builder.dialect.asm.AbstractASMEvalBuilder
  • org.drools.rule.builder.dialect.java.JavaDialectBinaryEqualityTest
  • org.drools.rule.builder.dialect.java.JavaEvalBuilder
  • org.drools.rule.builder.dialect.mvel.MVELEvalBuilder
  • org.drools.rule.builder.dialect.mvel.MVELEvalBuilderTest
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