/// <summary>
/// Provides new unique Application ID in response to inquiry request
/// </summary>
/// <param name="msg">IMessage containg Inquiry request</param>
private void SendApplictionId(IMessage <InquiryMessage> msg)
{
try
{
// Create the Inquiry Respons to be sent
InquiryResponse inquiryResponse = new InquiryResponse();
string id = ApplicationIdGenerator.NextId();
inquiryResponse.Type = Constants.InquiryTags.AppID;
inquiryResponse.AppId = id;
// Create EasyNetQ message to be published
Message <InquiryResponse> message = new Message <InquiryResponse>(inquiryResponse);
if (Logger.IsDebugEnabled)
{
Logger.Debug("Publishing Inquiry Response for: " + msg.Body.Type, _type.FullName, "OnInquiryRequestReceived");
}
// Publish Messages on the exchange
PublishMessages(msg.Properties.ReplyTo, message);
}
catch (Exception exception)
{
Logger.Error(exception, _type.FullName, "SendApplictionId");
}
}
/// <summary>
/// Sets up the strategy to be executed
/// </summary>
/// <param name="initializeStrategy">Holds info to initialize the given strategy</param>
private void InitializeUserStrategy(InitializeStrategy initializeStrategy)
{
try
{
if (_asyncClassLogger.IsInfoEnabled)
{
_asyncClassLogger.Info("Setting up user strategy to run: " + initializeStrategy.StrategyType.FullName,
_type.FullName, "InitializeUserStrategy");
}
// Get new Key.
string key = ApplicationIdGenerator.NextId();
// Save Strategy details in new Strategy Executor object
StrategyExecutor strategyExecutor = new StrategyExecutor(key, initializeStrategy.StrategyType, initializeStrategy.CtorArguments);
// Add to local map
_strategiesCollection.AddOrUpdate(key, strategyExecutor, (ky, value) => strategyExecutor);
//Register Event
strategyExecutor.StatusChanged += OnStatusChanged;
strategyExecutor.ExecutionReceived += OnExecutionArrived;
// Save Brief info of constructor parameters
StringBuilder briefInfo = new StringBuilder();
// Add Strategy Description
briefInfo.Append(LoadCustomStrategy.GetCustomClassSummary(initializeStrategy.StrategyType));
briefInfo.Append(" :: ");
// Add Parameters Description
foreach (object ctorArgument in initializeStrategy.CtorArguments)
{
briefInfo.Append(ctorArgument.ToString());
briefInfo.Append("|");
}
// Create object to add to AddStrattegy.cs object
SelectedStrategy selectedStrategy = new SelectedStrategy
{
Key = key,
Symbol = initializeStrategy.CtorArguments[3].ToString(),
BriefInfo = briefInfo.ToString()
};
// Create object to pass to event aggregator.
AddStrategy addStrategy = new AddStrategy(selectedStrategy);
// Publish event to notify listeners.
EventSystem.Publish <AddStrategy>(addStrategy);
}
catch (Exception exception)
{
_asyncClassLogger.Error(exception, _type.FullName, "InitializeUserStrategy");
}
}
public void IdGeneratorTestCase()
{
var idOne = ApplicationIdGenerator.NextId();
var idTwo = ApplicationIdGenerator.NextId();
var idThree = ApplicationIdGenerator.NextId();
Assert.AreEqual("A00", idOne, "Uniquely generated ID One");
Assert.AreEqual("A01", idTwo, "Uniquely generated ID Two");
Assert.AreEqual("A02", idThree, "Uniquely generated ID Three");
}
/// <summary>
/// Start Strategy Optimization
/// </summary>
/// <param name="optimizationParameters">Contains info for the parameters to be used for optimization</param>
private void StartOptimization(OptimizeStrategyBruteForce optimizationParameters)
{
try
{
if (_asyncClassLogger.IsInfoEnabled)
{
_asyncClassLogger.Info("Getting argument combinations", _type.FullName, "StartOptimization");
}
// Clear all previous information
_strategiesCollection.Clear();
// Save Parameter Details
_parmatersDetails = optimizationParameters.ParmatersDetails;
// Get all ctor arguments to be used for optimization
CreateCtorCombinations(optimizationParameters.CtorArgs, optimizationParameters.ConditionalParameters);
// Initialize Stratgey for each set of arguments
foreach (object[] ctorArgument in _ctorArguments)
{
// Get new Key.
string key = ApplicationIdGenerator.NextId();
// Save Strategy details in new Strategy Executor object
StrategyExecutor strategyExecutor = new StrategyExecutor(key, optimizationParameters.StrategyType, ctorArgument);
// Register Event
strategyExecutor.StatusChanged += OnStrategyExecutorStatusChanged;
// Add to local map
_strategiesCollection.AddOrUpdate(key, strategyExecutor, (ky, value) => strategyExecutor);
}
// Start executing each instance
StartStrategyExecution();
}
catch (Exception exception)
{
_asyncClassLogger.Error(exception, _type.FullName, "StartOptimization");
}
}
/// <summary>
/// Called when Inquiry request is received from MQ Server
/// </summary>
private void OnInquiryRequestReceived(IMessage <InquiryMessage> inquiryMessage)
{
try
{
if (Logger.IsDebugEnabled)
{
Logger.Debug("Application Info received from MQ Server: " + inquiryMessage.Properties.AppId, _type.FullName, "OnInquiryRequestReceived");
}
// Create the Inquiry Respons to be sent
InquiryResponse inquiryResponse = new InquiryResponse();
if (inquiryMessage.Body.Type.Equals(Constants.InquiryTags.AppID))
{
string id = ApplicationIdGenerator.NextId();
inquiryResponse.Type = Constants.InquiryTags.AppID;
inquiryResponse.AppId = id;
}
else if (inquiryMessage.Body.Type.Equals(Constants.InquiryTags.DisconnectClient))
{
OnDisconnectApplicationReceived(inquiryMessage.Properties.AppId);
return;
}
// Create EasyNetQ message to be published
Message <InquiryResponse> message = new Message <InquiryResponse>(inquiryResponse);
if (Logger.IsDebugEnabled)
{
Logger.Debug("Publishing Inquiry Response for: " + inquiryMessage.Body.Type, _type.FullName, "OnInquiryRequestReceived");
}
// Publish Messages on the exchange
PublishMessages(inquiryMessage.Properties.ReplyTo, message);
}
catch (Exception exception)
{
Logger.Error(exception, _type.FullName, "OnInquiryRequestReceived");
}
}
/// <summary>
/// Start Strategy Optimization
/// </summary>
/// <param name="optimizationParameters">Contains info for the parameters to be used for optimization</param>
private void StartOptimization(BruteForceParameters optimizationParameters)
{
try
{
// Save instance
_optimizationParameters = optimizationParameters;
if (_asyncClassLogger.IsInfoEnabled)
{
_asyncClassLogger.Info("Getting argument combinations", _type.FullName, "StartOptimization");
}
// Change Status to indicate on UI
_optimizationParameters.Status = OptimizationStatus.Working;
// Clear all previous information
_strategiesCollection.Clear();
_ctorArguments.Clear();
// Get Parameter values to be used in the Constructor
object[] ctorArguments = optimizationParameters.GetParameterValues();
// Get Conditional Parameter values to be used for creating Iterations
Tuple <int, object, double>[] conditionalParameters = optimizationParameters.GetConditionalParameters();
// Save Parameter Details
_parmatersDetails = optimizationParameters.ParameterDetails;
// Get all ctor arguments to be used for optimization
CreateCtorCombinations(ctorArguments, conditionalParameters);
// Initialize Stratgey for each set of arguments
foreach (object[] ctorArgumentValues in _ctorArguments)
{
// Get new Key.
string key = ApplicationIdGenerator.NextId();
var instanceParameterDetails = new Dictionary <string, ParameterDetail>();
for (int i = 0; i < ctorArgumentValues.Length; i++)
{
// Create new parameter details to be when creating Strategy Instance object
ParameterDetail tempParameterDetail = new ParameterDetail(_parmatersDetails[i].ParameterType, ctorArgumentValues[i]);
instanceParameterDetails.Add(_parmatersDetails[i].Description, tempParameterDetail);
}
// Create Strategy Instance object
var instance = new StrategyInstance(key, instanceParameterDetails, optimizationParameters.StrategyType);
// Save Strategy details in new Strategy Executor object
var strategyExecutor = new StrategyExecutor(instance, _currentDispatcher);
// Register Event
strategyExecutor.StatusChanged += OnStrategyExecutorStatusChanged;
// Add to local map
_strategiesCollection.AddOrUpdate(key, strategyExecutor, (ky, value) => strategyExecutor);
StringBuilder parametersInfo = new StringBuilder();
foreach (object ctorArgument in strategyExecutor.CtorArguments)
{
parametersInfo.Append(ctorArgument.ToString());
parametersInfo.Append(" | ");
}
// Create new object to be used with Event Aggregator
var optimizationStatistics = new OptimizationStatistics(strategyExecutor.StrategyKey);
optimizationStatistics.Description = parametersInfo.ToString();
optimizationStatistics.ExecutionDetails = instance.ExecutionDetails;
// Raise event to Bind statistics to UI and will be updated as each instance is executed
EventSystem.Publish <OptimizationStatistics>(optimizationStatistics);
}
// Save total number of iterations count
_optimizationParameters.TotalIterations = _strategiesCollection.Count;
// Start executing each instance
StartStrategyExecution();
}
catch (Exception exception)
{
_asyncClassLogger.Error(exception, _type.FullName, "StartOptimization");
}
}
