public static BaseRule LoadFromDescription(string desc)
{
int typeNameIndex = desc.IndexOf("<PARAMS>");
string typeName = desc.Substring(0, typeNameIndex);
//parameters are added upon instantiation
BaseRule result = RuleFactory.GetInstance().CreateRuleInstance(Type.GetType("GeneticMarket.Logic.Rules." + typeName)) as BaseRule;
//we only need to load parameter values
int endParamIndex = desc.Length - 1;
string paramsString = desc.Substring(typeNameIndex + 8, endParamIndex - typeNameIndex - 8);
string[] paramsKeyValues = paramsString.Split('|');
for (int i = 0; i < paramsKeyValues.Length; i++)
{
if (paramsKeyValues[i].Length == 0)
{
continue;
}
string[] parts = paramsKeyValues[i].Split('=');
string key = parts[0];
string value = parts[1];
IRuleParameter argObject = result.parameters[key];
bool isDouble = (argObject is DoubleRuleParameter);
if (isDouble)
{
result[key] = double.Parse(value);
}
else
{
result[key] = int.Parse(value);
}
}
return(result);
}
public void CopyState(IRule target)
{
if (!(target is BaseRule))
{
throw new Exception("Cannot accept IRule operands");
}
BaseRule brTarget = target as BaseRule;
foreach (string key in parameters.Keys)
{
brTarget.parameters[key].Value = parameters[key].Value;
}
foreach (string key in indicators.Keys)
{
brTarget.indicators.Add(key, indicators[key]);
}
brTarget.container = container;
brTarget.idCache = -1;
brTarget.descCache = null;
}