/// <summary>
/// Creates a Rules Engine.
/// </summary>
/// <param name="basedOn">Copies specific rules from base Engine</param>
/// <param name="types">Copies rules for the specified types only.</param>
public RulesEngine(RulesEngine basedOn, params Type[] types)
{
if (types == null)
{
throw new ArgumentNullException("types");
}
if (basedOn == null)
{
throw new ArgumentNullException("basedOn");
}
var registry = basedOn._registry.Clone();
_expressionCache = basedOn._expressionCache;
foreach (var type in types)
{
var invokers = registry.GetInvokers(type);
foreach (var invoker in invokers)
{
_registry.RegisterInvoker(invoker);
}
}
}
void IRegisterInvoker.RegisterInvoker(IRuleInvoker ruleInvoker)
{
registry.RegisterInvoker(ruleInvoker);
}
