Examples of ExprConstraintDescr

org.drools.compiler.lang.descr.ExprConstraintDescr
This represents a constraint in a pattern defined by an arbitrary expression. The constraint can be any valid java/mvel expression.
org.drools.lang.descr.ExprConstraintDescr
This represents a constraint in a pattern defined by an arbitrary expression. The constraint can be any valid java/mvel expression.

Examples of org.drools.lang.descr.ExprConstraintDescr

        descr.setQuery( query );
        return this;
    }


    public PatternDescrBuilder<P> constraint( String constraint ) {
        ExprConstraintDescr constr = new ExprConstraintDescr( constraint );
        constr.setType( ExprConstraintDescr.Type.NAMED );
        constr.setPosition( descr.getConstraint().getDescrs().size() );
        descr.addConstraint( constr );
        return this;
    }

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Examples of org.drools.lang.descr.ExprConstraintDescr

        return this;
    }


    public PatternDescrBuilder<P> constraint( String constraint,
                                              boolean positional ) {
        ExprConstraintDescr constr = new ExprConstraintDescr( constraint );
        constr.setType( positional ? ExprConstraintDescr.Type.POSITIONAL : ExprConstraintDescr.Type.NAMED );
        constr.setPosition( descr.getConstraint().getDescrs().size() );
        descr.addConstraint( constr );
        return this;
    }

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Examples of org.drools.lang.descr.ExprConstraintDescr

            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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Examples of org.drools.lang.descr.ExprConstraintDescr

                bind = (BindingDescr) base;
                expression = bind.getVariable() + (bind.isUnification() ? " := " : " : ") + bind.getExpression();
                isBinding = true;
            } else {
                if ( base instanceof ExprConstraintDescr ) {
                    ExprConstraintDescr ecd = (ExprConstraintDescr) base;
                    expression = ecd.getExpression();
                    isPositional = ecd.getType() == ExprConstraintDescr.Type.POSITIONAL;


                } else {
                    expression = base.getText();
                }

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Examples of org.drools.lang.descr.ExprConstraintDescr

                                              "type" ) );


        pattern = new PatternDescr( "query1" );
        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 );
        
        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,

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Examples of org.drools.lang.descr.ExprConstraintDescr


        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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Examples of org.drools.lang.descr.ExprConstraintDescr

        final PackageDescr pkgDescr = new PackageDescr( "org.drools" );
        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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Examples of org.drools.lang.descr.ExprConstraintDescr

        final PackageDescr pkgDescr = new PackageDescr( "org.drools" );
        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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Examples of org.drools.lang.descr.ExprConstraintDescr

                      ruleDescr.getName() );
        AndDescr lhs = ruleDescr.getLhs();
        PatternDescr patternDescr = (PatternDescr) lhs.getDescrs().get( 0 );
        assertEquals( "Person",
                      patternDescr.getObjectType() );
        ExprConstraintDescr expr = ( ExprConstraintDescr ) ((AndDescr)patternDescr.getConstraint()).getDescrs().get( 0 );
        assertEquals( "name == \"darth\"", expr.getExpression() );
        
        
        ruleDescr = (RuleDescr) packageDescr.getRules().get( 1 );
        assertEquals( "simple_rule2",
                      ruleDescr.getName() );
        lhs = ruleDescr.getLhs();
        patternDescr = (PatternDescr) lhs.getDescrs().get( 0 );
        assertEquals( "Person",
                      patternDescr.getObjectType() );
        expr = ( ExprConstraintDescr ) ((AndDescr)patternDescr.getConstraint()).getDescrs().get( 0 );
        assertEquals( "age == 35 || == -3.5", expr.getExpression() );    
        
        
        ruleDescr = (RuleDescr) packageDescr.getRules().get( 2 );
        assertEquals( "simple_rule3",
                      ruleDescr.getName() );
        lhs = ruleDescr.getLhs();
        patternDescr = (PatternDescr) lhs.getDescrs().get( 0 );
        assertEquals( "Person",
                      patternDescr.getObjectType() );
        expr = ( ExprConstraintDescr ) ((AndDescr)patternDescr.getConstraint()).getDescrs().get( 0 );
        assertEquals( "age == 35 || (!= 7.0 && != -70)", expr.getExpression() );      
        
        
        ruleDescr = (RuleDescr) packageDescr.getRules().get( 3 );
        assertEquals( "simple_rule3",
                      ruleDescr.getName() );
        lhs = ruleDescr.getLhs();
        patternDescr = (PatternDescr) lhs.getDescrs().get( 1 );
        assertEquals( "Person",
                      patternDescr.getObjectType() );
        expr = ( ExprConstraintDescr ) ((AndDescr)patternDescr.getConstraint()).getDescrs().get( 0 );
        assertEquals( "name == $s", expr.getExpression() );               


        ruleDescr = (RuleDescr) packageDescr.getRules().get( 4 );
        assertEquals( "simple_rule4",
                      ruleDescr.getName() );
        lhs = ruleDescr.getLhs();
        patternDescr = (PatternDescr) lhs.getDescrs().get( 1 );
        assertEquals( "Person",
                      patternDescr.getObjectType() );
        expr = ( ExprConstraintDescr ) ((AndDescr)patternDescr.getConstraint()).getDescrs().get( 0 );
        assertEquals( "(name == $s) || (age == 35 || (!= 7.0 && != -70))", expr.getExpression() );     
        
        
        ruleDescr = (RuleDescr) packageDescr.getRules().get( 5 );
        assertEquals( "simple_rule5",
                      ruleDescr.getName() );
        lhs = ruleDescr.getLhs();
        patternDescr = (PatternDescr) lhs.getDescrs().get( 1 );
        assertEquals( "Person",
                      patternDescr.getObjectType() );
        expr = ( ExprConstraintDescr ) ((AndDescr)patternDescr.getConstraint()).getDescrs().get( 0 );
        assertEquals( "(name == $s) || ((age != 34) && (age != 37) && (name != \"yoda\"))", expr.getExpression() );           


    }

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Examples of org.drools.lang.descr.ExprConstraintDescr

        pattern.addBinding( 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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