Examples with BigDecimalLiteralExpr org.drools.mvel.parser.ast.expr.BigDecimalLiteralExpr used on opensource projects

Example 1 with BigDecimalLiteralExpr

use of org.drools.mvel.parser.ast.expr.BigDecimalLiteralExpr in project drools by kiegroup.

the class AbstractExpressionBuilder method narrowExpressionToType.

protected Expression narrowExpressionToType(TypedExpression right, java.lang.reflect.Type leftType) {
    Expression expression = right.getExpression();
    if (expression instanceof NullLiteralExpr) {
        return expression;
    }
    if (leftType.equals(Double.class)) {
        return new CastExpr(PrimitiveType.doubleType(), expression);
    }
    if (leftType.equals(Long.class)) {
        if (right.getType().equals(Double.class) || right.getType().equals(double.class)) {
            return new MethodCallExpr(expression, "longValue");
        } else {
            return new CastExpr(PrimitiveType.longType(), expression);
        }
    }
    if (expression instanceof LiteralExpr) {
        if (expression instanceof BigDecimalLiteralExpr) {
            return toNewExpr(BigDecimal.class, toStringLiteral(((BigDecimalLiteralExpr) expression).asBigDecimal().toString()));
        }
        if (expression instanceof BigIntegerLiteralExpr) {
            return toNewExpr(toRawClass(leftType), toStringLiteral(((BigIntegerLiteralExpr) expression).asBigInteger().toString()));
        }
        if (leftType.equals(BigDecimal.class)) {
            String expressionString = stringValue(expression);
            final BigDecimal bigDecimal = new BigDecimal(expressionString);
            return toNewExpr(BigDecimal.class, toStringLiteral(bigDecimal.toString()));
        }
        if (leftType.equals(BigInteger.class)) {
            String expressionString = stringValue(expression);
            final BigInteger bigInteger = new BigDecimal(expressionString).toBigInteger();
            return toNewExpr(BigInteger.class, toStringLiteral(bigInteger.toString()));
        }
        if (leftType.equals(float.class)) {
            return new DoubleLiteralExpr(expression + "f");
        }
    }
    if (expression instanceof NameExpr) {
        if (leftType.equals(BigDecimal.class) && !right.getType().equals(BigDecimal.class)) {
            return toNewExpr(BigDecimal.class, expression);
        }
        if (leftType.equals(BigInteger.class) && !right.getType().equals(BigInteger.class)) {
            return toNewExpr(BigInteger.class, expression);
        }
    }
    return expression;
}

Example 2 with BigDecimalLiteralExpr

use of org.drools.mvel.parser.ast.expr.BigDecimalLiteralExpr in project drools by kiegroup.

the class ConstraintParser method toBigDecimalExpression.

// TODO luca this logic should be moved in Constraint compiler?
private Expression toBigDecimalExpression(TypedExpression typedExpression) {
    MethodCallExpr toBigDecimalMethod = new MethodCallExpr(null, "org.drools.modelcompiler.util.EvaluationUtil.toBigDecimal");
    Expression arg = typedExpression.getExpression();
    Optional<Class<?>> originalPatternType = typedExpression.getOriginalPatternType();
    ConstraintCompiler constraintCompiler = createConstraintCompiler(context, originalPatternType);
    CompiledExpressionResult compiledBlockResult = constraintCompiler.compileExpression(PrintUtil.printNode(arg));
    arg = compiledBlockResult.getExpression();
    if (arg.isEnclosedExpr()) {
        arg = arg.asEnclosedExpr().getInner();
    }
    if (arg instanceof BigIntegerLiteralExpr) {
        arg = new ObjectCreationExpr(null, toClassOrInterfaceType(BigInteger.class), NodeList.nodeList(new StringLiteralExpr(((BigIntegerLiteralExpr) arg).asBigInteger().toString())));
    } else if (arg instanceof BigDecimalLiteralExpr) {
        arg = new ObjectCreationExpr(null, toClassOrInterfaceType(BigDecimal.class), NodeList.nodeList(new StringLiteralExpr(((BigDecimalLiteralExpr) arg).asBigDecimal().toString())));
    }
    toBigDecimalMethod.addArgument(arg);
    return toBigDecimalMethod;
}