Package org.drools.lang.descr

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

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        final BindingDescr fieldBindingDescr = (BindingDescr) parser.getCurrent();

        final PatternDescr patternDescr = (PatternDescr) parser.getParent();

        patternDescr.addConstraint( fieldBindingDescr );

        return fieldBindingDescr;
    }

    public Class generateNodeFor() {
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            ExprConstraintDescr expr = new ExprConstraintDescr( );
            expr.setExpression( sb.toString() );
             
            final PatternDescr patternDescr = (PatternDescr)op; 
            patternDescr.addConstraint( expr );   
        } else {       
            ConnectiveDescr p = (ConnectiveDescr)op;
            p.add( c );
        }
        return c;
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            ExprConstraintDescr expr = new ExprConstraintDescr();
            expr.setExpression( sb.toString() );

            final PatternDescr patternDescr = (PatternDescr) parser.getParent();
            patternDescr.addConstraint( expr );

        } else if ( p instanceof ConnectiveDescr ) {
            ((ConnectiveDescr) p).add( c );
        }
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        final PatternDescr patternDescr = (PatternDescr) parser.getParent();
       
        ExprConstraintDescr expr = new ExprConstraintDescr("eval(" + expression + ")");

        patternDescr.addConstraint( expr );

        return expr;
    }

    public Class generateNodeFor() {
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        pattern.setQuery( true );
        lhs.addDescr( pattern );
        ExprConstraintDescr expr = new ExprConstraintDescr("'bobba'");
        expr.setPosition( 0 );
        expr.setType( Type.POSITIONAL );
        pattern.addConstraint(expr);
       
        expr = new ExprConstraintDescr("$age");
        expr.setPosition( 1 );
        expr.setType( Type.POSITIONAL );
        pattern.addConstraint( expr );
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        pattern.addConstraint(expr);
       
        expr = new ExprConstraintDescr("$age");
        expr.setPosition( 1 );
        expr.setType( Type.POSITIONAL );
        pattern.addConstraint( expr );
       
        expr = new ExprConstraintDescr("$type");
        expr.setPosition( 2 );
        expr.setType( Type.POSITIONAL );       
        pattern.addConstraint( expr );
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        pattern.addConstraint( expr );
       
        expr = new ExprConstraintDescr("$type");
        expr.setPosition( 2 );
        expr.setType( Type.POSITIONAL );       
        pattern.addConstraint( expr );
        ruleDescr.setConsequence( "System.out.println(\"age: \" + $age);" );

        builder.addPackage( packageDescr );
        assertLength( 0,
                      builder.getErrors().getErrors() );
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        final PatternDescr pattern = new PatternDescr( Cheese.class.getName(),
                                                       "stilton" );
        lhs.addDescr( pattern );

        pattern.addConstraint( new ExprConstraintDescr("type == $type") );

        // Another query, no parameters
        QueryDescr queryDescr2 = new QueryDescr( "query2" );
        packageDescr.addRule( queryDescr2 );
        AndDescr lhs2 = new AndDescr();
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        final RuleDescr ruleDescr = new RuleDescr( "Test Rule" );
        AndDescr andDescr = new AndDescr();
        PatternDescr patDescr = new PatternDescr( "java.math.BigDecimal",
                                                  "$bd" );
        ExprConstraintDescr fcd = new ExprConstraintDescr( "this == 10" );
        patDescr.addConstraint( fcd );
        andDescr.addDescr( patDescr );
        ruleDescr.setLhs( andDescr );
        ruleDescr.setConsequence( "" );
        pkgDescr.addRule( ruleDescr );
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        final RuleDescr ruleDescr = new RuleDescr( "Test Rule" );
        AndDescr andDescr = new AndDescr();
        PatternDescr patDescr = new PatternDescr( "java.math.BigInteger",
                                                  "$bd" );
        ExprConstraintDescr fcd = new ExprConstraintDescr( "this==10" );
        patDescr.addConstraint( fcd );
        andDescr.addDescr( patDescr );
        ruleDescr.setLhs( andDescr );
        ruleDescr.setConsequence( "" );
        pkgDescr.addRule( ruleDescr );
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