Package org.jboss.dna.graph.query.model

Examples of org.jboss.dna.graph.query.model.ArithmeticOperator


        protected ComparisonBuilder comparisonBuilder( DynamicOperand right ) {
            DynamicOperand leftOperand = null;
            // If the left operand is an arithmetic operand, then we need to check the operator precedence ...
            if (left instanceof ArithmeticOperand) {
                ArithmeticOperand leftArith = (ArithmeticOperand)left;
                ArithmeticOperator operator = leftArith.getOperator();
                if (this.operator.precedes(operator)) {
                    // Need to do create an operand with leftArith.right and right
                    DynamicOperand inner = new ArithmeticOperand(leftArith.getRight(), this.operator, right);
                    leftOperand = new ArithmeticOperand(leftArith.getLeft(), operator, inner);
                } else {
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        } else {
            result = parsePropertyValue(tokens, typeSystem, source);
        }

        // Is this operand followed by an arithmetic operation ...
        ArithmeticOperator arithmeticOperator = null;
        if (tokens.canConsume('+')) {
            arithmeticOperator = ArithmeticOperator.ADD;
        } else if (tokens.canConsume('-')) {
            arithmeticOperator = ArithmeticOperator.SUBTRACT;
        } else if (tokens.canConsume('*')) {
            arithmeticOperator = ArithmeticOperator.MULTIPLY;
        } else if (tokens.canConsume('/')) {
            arithmeticOperator = ArithmeticOperator.DIVIDE;
        }
        if (arithmeticOperator != null) {
            if (tokens.matches('(')) {
                // Don't use precendence, but instead use the next DynamicOperand as the RHS ...
                DynamicOperand right = parseDynamicOperand(tokens, typeSystem, source);
                result = new ArithmeticOperand(result, arithmeticOperator, right);
            } else {
                // There is no parenthesis, so use operator precedence ...
                DynamicOperand right = parseDynamicOperand(tokens, typeSystem, source);
                if (right instanceof ArithmeticOperand) {
                    // But the RHS is an arithmetic operand, so we need to use operator precedence ...
                    ArithmeticOperand arithRhs = (ArithmeticOperand)right;
                    ArithmeticOperator rhsOperator = arithRhs.getOperator();
                    if (arithmeticOperator.precedes(rhsOperator)) {
                        // This operand's operator does take precedence, so this must be computed before working with the RHS ...
                        DynamicOperand newRhs = arithRhs.getRight();
                        DynamicOperand newLhs = new ArithmeticOperand(result, arithmeticOperator, arithRhs.getLeft());
                        result = new ArithmeticOperand(newLhs, rhsOperator, newRhs);
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