Package org.drools.compiler.lang.descr

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

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        pattern.addConstraint( fieldBindingDescr );

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

        pattern.addConstraint( new ExprConstraintDescr("price == (" + expression + ")") );

        ruleDescr.setConsequence( "update(stilton);" );
    }
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        pattern.addConstraint( fieldBindingDescr2 );

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

        pattern.addConstraint( new ExprConstraintDescr( expression ) );

        ruleDescr.setConsequence( "update(stilton);" );
    }
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        lhs.addDescr( (BaseDescr) ceDescr );

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

        patternDescr.addConstraint( new ExprConstraintDescr( "type == \"stilton\" ")  );

        ceDescr.addDescr( patternDescr );

        ruleDescr.setConsequence( consequence );
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    private void parseConstraint( FactPattern factPattern,
                                  ConditionalElementDescr constraint ) {
        for ( BaseDescr descr : constraint.getDescrs() ) {
            if ( descr instanceof ExprConstraintDescr ) {
                ExprConstraintDescr exprConstraint = (ExprConstraintDescr) descr;
                Expr expr = parseExpr( exprConstraint.getExpression() );
                factPattern.addConstraint( expr.asFieldConstraint( factPattern ) );
            }
        }
    }
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            boolean isPositional = false;
            if ( b instanceof BindingDescr ) {
                BindingDescr bind = (BindingDescr) b;
                expression = bind.getVariable() + (bind.isUnification() ? " := " : " : ") + bind.getExpression();
            } else if ( b instanceof ExprConstraintDescr ) {
                ExprConstraintDescr descr = (ExprConstraintDescr) b;
                expression = descr.getExpression();
                isPositional = descr.getType() == ExprConstraintDescr.Type.POSITIONAL;
            } else {
                expression = b.getText();
            }

            ConstraintConnectiveDescr result = parseExpression( context,
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                                  ConditionalElementDescr constraint,
                                  Map<String, String> boundParams,
                                  PackageDataModelOracle dmo ) {
        for ( BaseDescr descr : constraint.getDescrs() ) {
            if ( descr instanceof ExprConstraintDescr ) {
                ExprConstraintDescr exprConstraint = (ExprConstraintDescr) descr;
                Expr expr = parseExpr( exprConstraint.getExpression(), boundParams, dmo );
                factPattern.addConstraint( expr.asFieldConstraint( m, factPattern ) );
            }
        }
    }
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                                  ConditionalElementDescr constraint,
                                  Map<String, String> boundParams,
                                  PackageDataModelOracle dmo ) {
        for ( BaseDescr descr : constraint.getDescrs() ) {
            if ( descr instanceof ExprConstraintDescr ) {
                ExprConstraintDescr exprConstraint = (ExprConstraintDescr) descr;
                Expr expr = parseExpr( exprConstraint.getExpression(), boundParams, dmo );
                factPattern.addConstraint( expr.asFieldConstraint( factPattern ) );
            }
        }
    }
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        pattern.addConstraint( fieldBindingDescr );

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

        pattern.addConstraint( new ExprConstraintDescr("price == x") );

        // There is no m this should produce errors.
        ruleDescr.setConsequence( "update(m);" );

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

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

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

        builder.addPackage( packageDescr );
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        pattern.addConstraint( fieldBindingDescr );

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

        pattern.addConstraint( new ExprConstraintDescr("price == (( (Integer) map.get( new Integer( x )) ).intValue() * y)") );

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

        builder.addPackage( packageDescr );

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Related Classes of org.drools.compiler.lang.descr.ExprConstraintDescr

  • org.drools.compiler.builder.impl.KnowledgeBuilderTest
  • org.drools.compiler.compiler.PackageBuilderTest
  • org.drools.compiler.compiler.QueryBuilderTest
  • org.drools.compiler.compiler.xml.rules.ExprConstraintHandler
  • org.drools.compiler.compiler.xml.rules.FieldConstraintHandler
  • org.drools.compiler.compiler.xml.rules.PredicateHandler
  • org.drools.compiler.compiler.xml.rules.RestrictionConnectiveHandler
  • org.drools.compiler.compiler.xml.rules.XmlPackageReaderTest
  • org.drools.compiler.lang.api.impl.PatternDescrBuilderImpl
  • org.drools.compiler.lang.RuleParserTest
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