Package org.drools.compiler.lang.descr

Examples of org.drools.compiler.lang.descr.AndDescr

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    public void testDuplicateRuleNames() throws Exception {

        final KnowledgeBuilderImpl builder = new KnowledgeBuilderImpl();

        RuleDescr ruleDescr;
        AndDescr lhs;
        PatternDescr patternDescr;
        FieldConstraintDescr literalDescr;
        final PackageDescr packageDescr = createBasicPackageWithOneRule(1,1);
        ruleDescr = new RuleDescr( "rule-1" );
        ruleDescr.setLocation( 42,
                               43 );
        packageDescr.addRule( ruleDescr );
        lhs = new AndDescr();
        ruleDescr.setLhs( lhs );
        patternDescr = new PatternDescr( Cheese.class.getName(),
                                         "stilton" );
        literalDescr = new FieldConstraintDescr( "type" );
        literalDescr.addRestriction( new LiteralRestrictionDescr( "!=",
                                                                  null ) );
        patternDescr.addConstraint( literalDescr );
        ruleDescr.setConsequence( "" );

        ruleDescr = new RuleDescr( "rule-2" );
        ruleDescr.setLocation( 42,
                               43 );
        packageDescr.addRule( ruleDescr );
        lhs = new AndDescr();
        ruleDescr.setLhs( lhs );
        patternDescr = new PatternDescr( Cheese.class.getName(),
                                         "stilton" );

        literalDescr = new FieldConstraintDescr( "type" );
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        RuleDescr ruleDescr = new RuleDescr( "rule-1" );
        ruleDescr.setLocation( line,
                col );
        packageDescr.addRule( ruleDescr );
        AndDescr lhs = new AndDescr();
        ruleDescr.setLhs( lhs );
        PatternDescr patternDescr = new PatternDescr( Cheese.class.getName(),
                                                      "stilton" );
        FieldConstraintDescr literalDescr = new FieldConstraintDescr( "type" );
        literalDescr.addRestriction( new LiteralRestrictionDescr( "==",
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        final PackageDescr packageDescr = new PackageDescr( "p1" );
        final RuleDescr ruleDescr = new RuleDescr( "rule-1" );
        packageDescr.addRule( ruleDescr );

        final AndDescr lhs = new AndDescr();
        ruleDescr.setLhs( lhs );

        final PatternDescr pattern1 = new PatternDescr( Cheese.class.getName() );
        lhs.addDescr( pattern1 );

        final BindingDescr fieldBindingDescr = new BindingDescr( "$type",
                                                                 "type" );

        final FieldConstraintDescr literalDescr = new FieldConstraintDescr( "type" );
        literalDescr.addRestriction( new LiteralRestrictionDescr( "==",
                                                                  "stilton" ) );

        pattern1.addConstraint( fieldBindingDescr );
        pattern1.addConstraint( literalDescr );

        final PatternDescr pattern2 = new PatternDescr( Cheese.class.getName() );
        lhs.addDescr( pattern2 );
        pattern2.addConstraint( fieldBindingDescr );

        ruleDescr.setConsequence( "update(stilton);" );

        builder.addPackage( packageDescr );
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    private void createReturnValueRule( final PackageDescr packageDescr,
                                        final String expression ) {
        final RuleDescr ruleDescr = new RuleDescr( "rule-1" );
        packageDescr.addRule( ruleDescr );

        final AndDescr lhs = new AndDescr();
        ruleDescr.setLhs( lhs );

        final PatternDescr pattern = new PatternDescr( Cheese.class.getName(),
                                                       "stilton" );
        lhs.addDescr( pattern );

        BindingDescr fieldBindingDescr = new BindingDescr( "x",
                                                           "price" );
        pattern.addConstraint( fieldBindingDescr );
        fieldBindingDescr = new BindingDescr( "y",
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    private void createPredicateRule( final PackageDescr packageDescr,
                                      final String expression ) {
        final RuleDescr ruleDescr = new RuleDescr( "rule-1" );
        packageDescr.addRule( ruleDescr );

        final AndDescr lhs = new AndDescr();
        ruleDescr.setLhs( lhs );

        final PatternDescr pattern = new PatternDescr( Cheese.class.getName(),
                                                       "stilton" );
        lhs.addDescr( pattern );

        final BindingDescr fieldBindingDescr = new BindingDescr( "x",
                                                                 "price" );
        pattern.addConstraint( fieldBindingDescr );
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    private void createEvalRule( final PackageDescr packageDescr,
                                 final String expression ) {
        final RuleDescr ruleDescr = new RuleDescr( "rule-1" );
        packageDescr.addRule( ruleDescr );

        final AndDescr lhs = new AndDescr();
        ruleDescr.setLhs( lhs );

        packageDescr.addGlobal( new GlobalDescr( "map",
                                                 "java.util.Map" ) );

        final EvalDescr evalDescr = new EvalDescr( expression );
        lhs.addDescr( evalDescr );

        ruleDescr.setConsequence( "" );
    }
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        final PackageDescr packageDescr = new PackageDescr( "p1" );
        final RuleDescr ruleDescr = new RuleDescr( "rule-1" );
        packageDescr.addRule( ruleDescr );

        final AndDescr lhs = new AndDescr();
        ruleDescr.setLhs( lhs );

        final PatternDescr pattern = new PatternDescr( Primitives.class.getName() );
        lhs.addDescr( pattern );

        pattern.addConstraint( descr );

        ruleDescr.setConsequence( "" );
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                             final String consequence ) throws Exception {
        final PackageDescr packageDescr = new PackageDescr( "p1" );
        final RuleDescr ruleDescr = new RuleDescr( "rule-1" );
        packageDescr.addRule( ruleDescr );

        final AndDescr lhs = new AndDescr();
        ruleDescr.setLhs( lhs );

        lhs.addDescr( (BaseDescr) ceDescr );

        final PatternDescr patternDescr = new PatternDescr( Cheese.class.getName(),
                                                            "stilton" );

        patternDescr.addConstraint( new ExprConstraintDescr( "type == \"stilton\" ")  );
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                                     "event" );
        packageDescr.addTypeDeclaration( typeDeclDescr );
        final RuleDescr ruleDescr = new RuleDescr( "rule-1" );
        packageDescr.addRule( ruleDescr );

        final AndDescr lhs = new AndDescr();
        ruleDescr.setLhs( lhs );

        final PatternDescr patternDescr = new PatternDescr( StockTick.class.getName(),
                                                            "$tick" );
        final BehaviorDescr windowDescr = new BehaviorDescr( "window" );
        windowDescr.setSubType( "time" );
        windowDescr.setParameters( Collections.singletonList( "60000" ) );
        patternDescr.addBehavior( windowDescr );

        lhs.addDescr( patternDescr );

        ruleDescr.setConsequence( "System.out.println( $tick );" );

        builder.addPackage( packageDescr );
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    private IPattern parseBaseDescr( BaseDescr descr,
                                     Map<String, String> boundParams ) {
        if ( descr instanceof PatternDescr ) {
            return parsePatternDescr( (PatternDescr) descr, boundParams );
        } else if ( descr instanceof AndDescr ) {
            AndDescr andDescr = (AndDescr) descr;
            return parseBaseDescr( andDescr.getDescrs().get( 0 ), boundParams );
        } else if ( descr instanceof ConditionalElementDescr ) {
            return parseExistentialElementDescr( (ConditionalElementDescr) descr, boundParams );
        }
        return null;
    }
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Related Classes of org.drools.compiler.lang.descr.AndDescr

  • org.drools.compiler.builder.impl.KnowledgeBuilderTest
  • org.drools.compiler.compiler.PackageBuilderConfigurationTest
  • org.drools.compiler.compiler.PackageBuilderTest
  • org.drools.compiler.compiler.QueryBuilderTest
  • org.drools.compiler.compiler.RuleErrorTest
  • org.drools.compiler.compiler.xml.rules.AndHandler
  • org.drools.compiler.compiler.xml.rules.QueryHandler
  • org.drools.compiler.compiler.xml.rules.RuleHandler
  • org.drools.compiler.compiler.xml.rules.XmlPackageReaderTest
  • org.drools.compiler.lang.api.impl.AccumulateDescrBuilderImpl
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