public SemaphoreIsolation(string instanceKey, string commandKey, string groupKey, string domain, Action <ICommandConfigSet> config)
{
if (string.IsNullOrWhiteSpace(commandKey))
{
string message = "HystrixCommand Key cannot be null.";
CommonUtils.Log.Log(LogLevelEnum.Fatal, message, new Dictionary <string, string>().AddLogTagData("FXD303002"));
throw new ArgumentNullException(message);
}
Key = CommonUtils.GenerateKey(instanceKey, commandKey);
instanceKey = string.IsNullOrWhiteSpace(instanceKey) ? null : instanceKey.Trim();
commandKey = commandKey.Trim();
groupKey = groupKey ?? HystrixCommandBase.DefaultGroupKey;
domain = domain ?? CommandDomains.Default;
Components = HystrixCommandBase.CommandComponentsCollection.GetOrAdd(Key, key =>
HystrixCommandBase.CreateCommandComponents(Key, instanceKey,
commandKey, groupKey, domain, IsolationModeEnum.SemaphoreIsolation, config, typeof(SemaphoreIsolation)));
ExecutionSemaphore = HystrixCommandBase.ExecutionSemaphores.GetOrAdd(Key,
key => new IsolationSemaphore(Components.ConfigSet.CommandMaxConcurrentCount));
_stopwatch = new Stopwatch();
}