Package org.drools.lang.descr

Examples of org.drools.lang.descr.AndDescr

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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( Cheese.class.getName(),
                                                       "stilton" );
        lhs.addDescr( pattern );

        BindingDescr fieldBindingDescr = new BindingDescr( "x",
                                                           "price" );
        pattern.addBinding( fieldBindingDescr );
        fieldBindingDescr = new BindingDescr( "y",
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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 );

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

        packageDescr.addGlobal( new GlobalDescr( "map",
                                                 "java.util.Map" ) );
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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( Cheese.class.getName(),
                                                       "stilton" );
        lhs.addDescr( pattern );

        pattern.addConstraint( new ExprConstraintDescr( "type == 'stilton'" ) );

        ruleDescr.setConsequence( "update(stilton);" );
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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( Cheese.class.getName(),
                                                       "stilton" );
        lhs.addDescr( pattern );

        BindingDescr fieldBindingDescr = new BindingDescr( "x",
                                                           "price" );
        pattern.addBinding( fieldBindingDescr );
        fieldBindingDescr = new BindingDescr( "y",
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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( Cheese.class.getName(),
                                                       "stilton" );
        lhs.addDescr( pattern );

        final BindingDescr fieldBindingDescr = new BindingDescr( "x",
                                                                 "price" );
        pattern.addBinding( fieldBindingDescr );
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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( Cheese.class.getName(),
                                                       "stilton" );
        lhs.addDescr( pattern );

        BindingDescr fieldBindingDescr = new BindingDescr( "x",
                                                           "price" );
        pattern.addBinding( fieldBindingDescr );
        fieldBindingDescr = new BindingDescr( "y",
                                              "price" );
        pattern.addBinding( fieldBindingDescr );

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

        final EvalDescr evalDescr = new EvalDescr( "( ( Integer )map.get( new Integer(x) ) ).intValue() == y" );
        lhs.addDescr( evalDescr );

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

        builder.addPackage( packageDescr );
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    }

    @Test
    public void testAnd() throws Exception {
        final PackageBuilder builder = new PackageBuilder();
        final Rule rule = createRule( new AndDescr(),
                                      builder,
                                      "update(stilton);" );
        assertLength( 0,
                      builder.getErrors().getErrors() );
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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 patternDescr = new PatternDescr( Cheese.class.getName(),
                                                            "stilton" );
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        final PackageDescr packageDescr = new PackageDescr( "p1" );

        RuleDescr ruleDescr = new RuleDescr( "rule-1" );
        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( "==",
                                                                  null ) );
        patternDescr.addConstraint( literalDescr );
        ruleDescr.setConsequence( "" );

        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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Related Classes of org.drools.lang.descr.AndDescr

  • org.drools.clips.LhsClpParserTest
  • org.drools.compiler.PackageBuilderConfigurationTest
  • org.drools.compiler.PackageBuilderTest
  • org.drools.compiler.QueryBuilderTest
  • org.drools.compiler.RuleErrorTest
  • org.drools.compiler.xml.rules.AndHandler
  • org.drools.compiler.xml.rules.QueryHandler
  • org.drools.compiler.xml.rules.RuleHandler
  • org.drools.compiler.xml.rules.XmlPackageReaderTest
  • org.drools.guvnor.models.commons.backend.rule.BRDRLPersistence
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