Package org.drools.lang.descr

Examples of org.drools.lang.descr.PatternDescr.addConstraint()

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                                                       "stilton" );
        lhs.addDescr( pattern );

        final BindingDescr fieldBindingDescr = new BindingDescr( "x",
                                                                 "price" );
        pattern.addConstraint( fieldBindingDescr );

        final BindingDescr fieldBindingDescr2 = new BindingDescr( "y",
                                                                  "price" );
        pattern.addConstraint( fieldBindingDescr2 );
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                                                                 "price" );
        pattern.addConstraint( fieldBindingDescr );

        final BindingDescr fieldBindingDescr2 = new BindingDescr( "y",
                                                                  "price" );
        pattern.addConstraint( fieldBindingDescr2 );

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

        pattern.addConstraint( new ExprConstraintDescr( expression ) );
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        pattern.addConstraint( fieldBindingDescr2 );

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

        pattern.addConstraint( new ExprConstraintDescr( expression ) );

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

    private void createEvalRule( final PackageDescr packageDescr,
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        ruleDescr.setLhs( lhs );

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

        pattern.addConstraint( descr );

        ruleDescr.setConsequence( "" );

        builder.addPackage( packageDescr );
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        PatternDescr pattern = new PatternDescr( Person.class.getName() );
        lhs.addDescr( pattern );
        FieldConstraintDescr literalDescr = new FieldConstraintDescr( "name" );
        literalDescr.addRestriction( new VariableRestrictionDescr( "==",
                                                                   "$name" ) );
        pattern.addConstraint( literalDescr );
       
        literalDescr = new FieldConstraintDescr( "age" );
        literalDescr.addRestriction( new VariableRestrictionDescr( "==",
                                                                   "$age" ) );
        pattern.addConstraint( literalDescr );
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        pattern.addConstraint( literalDescr );
       
        literalDescr = new FieldConstraintDescr( "age" );
        literalDescr.addRestriction( new VariableRestrictionDescr( "==",
                                                                   "$age" ) );
        pattern.addConstraint( literalDescr );
       
        literalDescr = new FieldConstraintDescr( "likes" );
        literalDescr.addRestriction( new VariableRestrictionDescr( "==",
                                                                   "$likes" ) );
        pattern.addConstraint( literalDescr );       
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        pattern.addConstraint( literalDescr );
       
        literalDescr = new FieldConstraintDescr( "likes" );
        literalDescr.addRestriction( new VariableRestrictionDescr( "==",
                                                                   "$likes" ) );
        pattern.addConstraint( literalDescr );       
       
        RuleDescr ruleDescr = new RuleDescr( "rule-1" );
        packageDescr.addRule( ruleDescr );
        lhs = new AndDescr();
        ruleDescr.setLhs( lhs );
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        lhs = new AndDescr();
        ruleDescr.setLhs( lhs );
       
        pattern = new PatternDescr( Cheese.class.getName()  );
        lhs.addDescr( pattern );      
        pattern.addConstraint( new FieldBindingDescr( "type", "$type" ) );
       
        pattern = new PatternDescr( "query1" );
        lhs.addDescr( pattern );
        pattern.addConstraint( new LiteralDescr( "bobba",
                                                 LiteralDescr.TYPE_STRING ) );
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        lhs.addDescr( pattern );      
        pattern.addConstraint( new FieldBindingDescr( "type", "$type" ) );
       
        pattern = new PatternDescr( "query1" );
        lhs.addDescr( pattern );
        pattern.addConstraint( new LiteralDescr( "bobba",
                                                 LiteralDescr.TYPE_STRING ) );
        pattern.addConstraint( new VariableDescr( "$age" ) );
        pattern.addConstraint( new VariableDescr( "$type" ) );
        ruleDescr.setConsequence( "System.out.println(\"age: \" + $age);" );
       
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        pattern = new PatternDescr( "query1" );
        lhs.addDescr( pattern );
        pattern.addConstraint( new LiteralDescr( "bobba",
                                                 LiteralDescr.TYPE_STRING ) );
        pattern.addConstraint( new VariableDescr( "$age" ) );
        pattern.addConstraint( new VariableDescr( "$type" ) );
        ruleDescr.setConsequence( "System.out.println(\"age: \" + $age);" );
       
        builder.addPackage( packageDescr );
        assertLength( 0,
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