/** Compiles ValueExpressions */
@Override
public void visit(ValueExpression expression) {
if (expression == null) {
throw new ArgumentException(EXPRESSION + E_IS_NULL);
}
// FIXME: Treat all numerics as BigDecimal or better yet, MutableDecimal
// Also - what other types must we handle?
// BYTE? BYTEARRAY? CHARACTER?
switch (expression.getType()) {
case BOOLEAN:
result.setResult(
new Literal<Boolean>(ValueType.BOOLEAN, Boolean.parseBoolean(expression.getText())));
break;
case DATETIME:
result.setResult(
new Literal<DateTime>(
ValueType.DATETIME,
// DateTime.parse(expression.getText().substring(1,
// expression.getText().length() - 2))));
DateTime.parse(expression.getText())));
break;
case INTEGER:
case DECIMAL:
result.setResult(
new Literal<Double>(ValueType.DECIMAL, Convert.parseNumeric(expression.getText())));
break;
case TEXT:
result.setResult(new Literal<String>(ValueType.TEXT, expression.getText()));
break;
case VARIABLE:
Variable var = new Variable(expression.getText());
// Record for easy update before compute
result.addOrUpdateVariable(var);
result.setResult(var);
break;
}
}