@Override
@SuppressWarnings("unchecked")
public T evaluate() throws DDMExpressionException {
try {
com.udojava.evalex.Expression expression =
new com.udojava.evalex.Expression(_expressionString);
for (Map.Entry<String, Variable> entry : _variables.entrySet()) {
BigDecimal variableValue = getVariableValue(entry.getValue());
expression.setVariable(entry.getKey(), variableValue);
}
BigDecimal result = evaluate(expression);
return (T) toRetunType(result);
} catch (Exception e) {
throw new DDMExpressionException(e);
}
}
protected com.udojava.evalex.Expression getExpression(String expressionString)
throws DDMExpressionException {
com.udojava.evalex.Expression expression = new com.udojava.evalex.Expression(expressionString);
TokenExtractor tokenExtractor = new TokenExtractor(expressionString);
Map<String, String> variableMap = tokenExtractor.getVariableMap();
for (String key : variableMap.keySet()) {
Variable variable = _variables.get(key);
if (variable != null) {
BigDecimal variableValue = getVariableValue(variable);
expression.setVariable(key, variableValue);
}
}
return expression;
}
