} // Execute
// async
public ActionMetaData Execute(ExecuteArguments oArgs)
{
ActionMetaData amd = null;
try {
if (oArgs == null)
{
throw new Alert(Log, "No ExecuteArguments specified.");
}
SetLogThreadProperties(oArgs);
Log.Debug("Executing " + oArgs.StrategyType + " started...");
amd = NewAsync(
oArgs.StrategyType.ToString(),
comment: oArgs.StrategyArgumentsStr,
nCustomerID: oArgs.CustomerID,
nUserID: oArgs.UserID
);
ConstructorInfo oCreator = oArgs.StrategyType.GetConstructors().FirstOrDefault(
ci => ci.GetParameters().Length == oArgs.StrategyArguments.Count
);
if (oCreator == null)
{
string msg = string.Format(
"Failed to find a constructor for {0} with {1} arguments.",
oArgs.StrategyType,
oArgs.StrategyArguments.Count
);
throw new Alert(Log, msg);
} // if
Log.Debug(oArgs.StrategyType + " constructor found, invoking...");
amd.UnderlyingThread = new Thread(() => {
try {
SetLogThreadProperties(oArgs);
AStrategy oInstance = (AStrategy)oCreator.Invoke(oArgs.StrategyArguments.ToArray());
if (oInstance == null)
{
throw new NullReferenceException("Failed to create an instance of " + oArgs.StrategyType);
}
amd.Strategy = oInstance;
oInstance.Context.UserID = oArgs.UserID;
oInstance.Context.CustomerID = oArgs.CustomerID;
if (oArgs.OnInit != null)
{
Log.Debug(oInstance.Name + " instance created, invoking an initialization action...");
oArgs.OnInit(oInstance, amd);
Log.Debug(oInstance.Name + " initialization action complete.");
} // if
Log.Debug(oInstance.Name + " instance is initialized, executing...");
oInstance.Execute();
Log.Debug("Executing " + oArgs.StrategyType + " complete.");
SaveActionStatus(amd, ActionStatus.Done);
if (oArgs.OnSuccess != null)
{
Log.Debug(oInstance.Name + " instance running complete, invoking an OnSuccess action...");
oArgs.OnSuccess(oInstance, amd);
Log.Debug(oInstance.Name + " OnSuccess action complete.");
} // if
} catch (Exception e) {
Log.Alert(e, "Exception during executing " + oArgs.StrategyType + " strategy.");
amd.Comment = e.Message;
SaveActionStatus(amd, ActionStatus.Failed);
if (oArgs.OnFail != null)
{
Log.Debug(oArgs.StrategyType + " instance running failed, invoking an OnFail action...");
try {
oArgs.OnFail(amd);
Log.Debug(oArgs.StrategyType + " OnFail action complete.");
} catch (Exception ie) {
Log.Alert(
ie,
"Exception during executing of OnFail handler of " + oArgs.StrategyType + " strategy."
);
} // try
} // if
} // try
});
SaveActionStatus(amd, ActionStatus.Launched);
if (oArgs.OnLaunch != null)
{
Log.Debug(oArgs.StrategyType + " instance is to be launched, invoking an OnLaunch action...");
oArgs.OnLaunch(amd);
Log.Debug(oArgs.StrategyType + " OnLaunch action complete.");
} // if
amd.UnderlyingThread.Start();
Log.Debug(
"Executing {0} started on another thread [{1}].",
oArgs.StrategyType,
amd.UnderlyingThread.ManagedThreadId
);
return(amd);
} catch (Exception e) {
if (amd != null)
{
amd.Comment += " Exception caught: " + e.Message;
SaveActionStatus(amd, ActionStatus.Failed);
} // if
if (!(e is AException))
{
string sStrategyType = oArgs == null ? "UNKNOWN" : oArgs.StrategyType.ToString();
Log.Alert(e, "Exception during executing " + sStrategyType + " strategy.");
} // if
if ((oArgs != null) && (oArgs.OnException != null))
{
try {
oArgs.OnException(amd);
} catch (Exception ie) {
Log.Alert(
ie,
"Exception during executing of OnException handler of " + oArgs.StrategyType + " strategy."
);
} // try
} // if
throw new FaultException(e.Message);
} // try
} // Execute
} // ExecuteSync
private ActionMetaData ExecuteSync <T>(out T oInstance, ExecuteArguments args) where T : AStrategy
{
ActionMetaData amd = null;
try {
string sStrategyType = typeof(T).ToString();
if (args == null)
{
throw new Alert(Log, "No strategy arguments specified for " + sStrategyType + ".");
}
args.StrategyType = typeof(T); // just to avoid question which type is used.
SetLogThreadProperties(args);
Log.Debug("Executing " + sStrategyType + " started in sync...");
amd = NewSync(
sStrategyType,
comment: args.StrategyArgumentsStr,
nCustomerID: args.CustomerID,
nUserID: args.UserID
);
ConstructorInfo oCreator = typeof(T).GetConstructors().FirstOrDefault(
ci => ci.GetParameters().Length == args.StrategyArguments.Count
);
if (oCreator == null)
{
string msg = string.Format(
"Failed to find a constructor for {0} with {1} arguments.",
sStrategyType,
args.StrategyArguments.Count
);
throw new Alert(Log, msg);
} // if
Log.Debug(sStrategyType + " constructor found, invoking...");
oInstance = (T)oCreator.Invoke(args.StrategyArguments.ToArray());
if (oInstance == null)
{
throw new NullReferenceException("Failed to create an instance of " + sStrategyType);
}
amd.Strategy = oInstance;
oInstance.Context.UserID = args.UserID;
oInstance.Context.CustomerID = args.CustomerID;
if (args.OnInit != null)
{
Log.Debug(oInstance.Name + " instance created, invoking an initialization action...");
args.OnInit(oInstance, amd);
Log.Debug(oInstance.Name + " initialization action complete.");
} // if
if (args.OnLaunch != null)
{
Log.Debug(args.StrategyType + " instance is to be launched, invoking an OnLaunch action...");
args.OnLaunch(amd);
Log.Debug(args.StrategyType + " OnLaunch action complete.");
} // if
Log.Debug(oInstance.Name + " instance is initialized, executing...");
oInstance.Execute();
Log.Debug("Executing " + oInstance.Name + " complete in sync.");
SaveActionStatus(amd, ActionStatus.Done);
if (args.OnSuccess != null)
{
Log.Debug(oInstance.Name + " instance running complete, invoking an OnSuccess action...");
args.OnSuccess(oInstance, amd);
Log.Debug(oInstance.Name + " OnSuccess action complete.");
} // if
return(amd);
} catch (Exception e) {
Exception mostInnerException = e;
while (mostInnerException.InnerException != null)
{
mostInnerException = mostInnerException.InnerException;
}
if (amd != null)
{
amd.Comment += " Exception caught: " + mostInnerException.Message;
SaveActionStatus(amd, ActionStatus.Failed);
} // if
if (!(e is AException))
{
Log.Alert(mostInnerException, "Exception during executing " + typeof(T) + " strategy.");
}
if ((args != null) && (args.OnException != null))
{
Log.Debug(args.StrategyType + " instance running failed, invoking an OnException action...");
try {
args.OnException(amd);
Log.Debug(args.StrategyType + " OnException action complete.");
} catch (Exception ie) {
Log.Alert(
ie,
"Exception during executing of OnException handler of " + args.StrategyType + " strategy."
);
} // try
} // if
throw new FaultException(mostInnerException.Message);
} // try
} // ExecuteSync