public IRule CopyRule(int ruleIndex, Strategy target)
{
IRule rule = rules[ruleIndex];
IRule newRule = RuleFactory.GetInstance().CreateRuleInstance(rule.GetType());
//we do not initialize rule here coz when str is added to rep, its
//initialize method is called which calles init of its rules
//newRule.Initialize(this);
rule.CopyState(newRule);
target.AddRule(newRule);
return(newRule);
}
//deep dup - dup rules instances too
public Strategy Duplicate()
{
Strategy result = new Strategy(indicatorRep);
foreach (IRule rule in rules)
{
//newRule contains parameters of rule but no value
IRule newRule = RuleFactory.GetInstance().CreateRuleInstance(rule.GetType());
//rule.init will be called upon strategy initialization
//newRule.Initialize(this);
rule.CopyState(newRule);
result.AddRule(newRule);
}
CopyInfo(result);
return(result as Strategy);
}
private void addStrategy(int newCount)
{
int counter = 0;
while (true)
{
if (counter >= newCount)
{
break;
}
Strategy s = new Strategy(commonContext.IndicatorRepository);
//create a unique strategy
int ruleCount = Rand.Random.Next(commonContext.EnvParams.MinRulePerStrategy,
commonContext.EnvParams.MaxRulePerStrategy);
for (int i = 0; i < ruleCount; i++)
{
IRule rule = RuleFactory.GetInstance().CreateRandomInstance();
s.AddRule(rule);
}
int tryCounter = 0;
do
{
//randomize all rules' states
s.Randomize(1);
tryCounter++;
} while (commonContext.StrategyRepository.AddStrategy(s) == false && tryCounter < commonContext.CommonConfig.MaxTryPerAddStrategy);
if (tryCounter == commonContext.CommonConfig.MaxTryPerAddStrategy)
{
//all strategy choice space is filled
break;
}
counter++;
}
}
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);
}
