protected virtual Boolean SetMaximumRecordsForApiToReturn()
{
try
{
StringBuilder stringBuilder = new StringBuilder();
UInt32 size = 128;
ReturnCode = MvxSock.Trans(ref serverId, String.Format("SetLstMaxRec {0}", MaximumRecordsToReturn.ToString()), stringBuilder, ref size);
if (ReturnCode.Value == 0)
{
return(true);
}
else
{
Trace.WriteLine(String.Format("The 'MvxSock.Trans' method retured non zero code:{0}.", ReturnCode));
String errorText = GetErrorText();
Trace.WriteLineIf((errorText != null), errorText);
}
}
catch (Exception exception)
{ Trace.WriteLine(exception); }
TraceUtilities.WriteMethodError(MethodBase.GetCurrentMethod());
return(false);
}
protected virtual Boolean SetMaximumWaitTime()
{
try
{
ReturnCode = MvxSock.SetMaxWait(ref serverId, MaximumWaitTime);
if (ReturnCode.Value == 0)
{
return(true);
}
else
{
Trace.WriteLine(String.Format("The 'MvxSock.SetMaxWait' method retured the following non zero code. {0}", ReturnCode));
}
}
catch (Exception exception)
{ Trace.WriteLine(exception.ToString()); }
String errorText = GetErrorText();
Trace.WriteLineIf((errorText != null), errorText);
TraceUtilities.WriteMethodError(MethodBase.GetCurrentMethod());
return(false);
}
protected virtual Boolean ConnectToServer()
{
try
{
ReturnCode = MvxSock.Connect(ref serverId, ConnectionData.Server, ConnectionData.Port, ConnectionData.UserName, ConnectionData.Password, ApiData.Api, null);
if (ReturnCode.Value == 0)
{
return(true);
}
else
{
Trace.WriteLine(String.Format("The 'MvxSock.Connect' method retured the following non zero code. {0}", ReturnCode));
}
}
catch (Exception exception)
{ Trace.WriteLine(exception.ToString()); }
String errorText = GetErrorText();
Trace.WriteLineIf((errorText != null), errorText);
TraceUtilities.WriteMethodError(MethodBase.GetCurrentMethod());
return(false);
}
protected virtual Boolean SetEnableZippedTransactions()
{
try
{
ReturnCode = MvxSock.SetZippedTransactions(ref serverId, 1);
if (ReturnCode.Value == 0)
{
return(true);
}
else
{
Trace.WriteLine(String.Format("The 'MvxSock.SetZippedTransactions' method retured non zero code:{0}.", ReturnCode));
String errorText = GetErrorText();
Trace.WriteLineIf((errorText != null), errorText);
}
}
catch (Exception exception)
{ Trace.WriteLine(exception); }
TraceUtilities.WriteMethodError(MethodBase.GetCurrentMethod());
return(false);
}
protected virtual bool ProcessApiResult()
{
try
{
T_DataObject dataObject = CreateDataObject();
AddDataObjectToDataObjectCollection(dataObject);
return(true);
}
catch (Exception exception)
{ Trace.WriteLine(exception); }
TraceUtilities.WriteMethodError(MethodBase.GetCurrentMethod());
return(false);
}
protected virtual Boolean SetRequestField(RequestFieldData requestFieldData)
{
try
{
ReturnCode = null;
MvxSock.SetField(ref serverId, requestFieldData.FieldName, requestFieldData.FieldValue);
return(true);
}
catch (Exception exception)
{ Trace.WriteLine(exception.ToString()); }
TraceUtilities.WriteMethodError(MethodBase.GetCurrentMethod());
return(false);
}
protected virtual String GetErrorText()
{
String errorText;
try
{
errorText = MvxSock.GetLastError(ref serverId).Trim();
return(errorText.Length == 0 ? null : errorText);
}
catch (Exception exception)
{ Trace.WriteLine(exception.ToString()); }
TraceUtilities.WriteMethodError(MethodBase.GetCurrentMethod());
return(null);
}
protected virtual Boolean ExecuteApi()
{
try
{
ReturnCode = MvxSock.Access(ref serverId, ApiData.Method);
return(EvaluateMvxSockAccessReturnCode());
}
catch (Exception exception)
{ Trace.WriteLine(exception.ToString()); }
TraceUtilities.WriteMethodError(MethodBase.GetCurrentMethod());
ReturnCode = null;
return(false);
}
protected virtual Boolean SetRequestFields()
{
try
{
foreach (RequestFieldData requestField in InputFieldDataList)
{
if (!SetRequestField(requestField))
{
return(false);
}
}
return(true);
}
catch (Exception exception)
{ Trace.WriteLine(exception.ToString()); }
TraceUtilities.WriteMethodError(MethodBase.GetCurrentMethod());
return(false);
}
protected virtual Boolean GetOutputFieldData()
{
try
{
foreach (OutputFieldData _OutputFieldData in OutputFieldData)
{
_OutputFieldData.Value = GetValueFromField(_OutputFieldData.FieldName);
}
return(true);
}
catch (Exception exception)
{ Trace.WriteLine(exception.ToString()); }
String errorText = GetErrorText();
Trace.WriteLineIf((errorText != null), errorText);
TraceUtilities.WriteMethodError(MethodBase.GetCurrentMethod());
return(false);
}
protected virtual Boolean ExecuteApi()
{
try
{
ReturnCode = MvxSock.Access(ref serverId, ApiData.Method);
if (ReturnCode.Value == 0)
{
return(true);
}
else
{
Trace.WriteLine(String.Format("The 'MvxSock.Access' method retured the following non zero code. {0}", ReturnCode));
}
}
catch (Exception exception)
{ Trace.WriteLine(exception.ToString()); }
TraceUtilities.WriteMethodError(MethodBase.GetCurrentMethod());
return(false);
}
protected override bool ProcessApiResults()
{
DataObjectCollection = new T_DataObjectCollection();
try
{
while (MvxSock.More(ref serverId))
{
if (!ProcessApiResult())
{
return(false);
}
ReturnCode = MvxSock.Access(ref serverId, null);
if (ReturnCode.Value != 0)
{
Trace.WriteLine(String.Format("The 'MvxSock.Access' method retured the following non zero code. {0}", ReturnCode));
String errorText = GetErrorText();
Trace.WriteLineIf((errorText != null), errorText);
return(false);
}
}
return(true);
}
catch (Exception exception)
{ Trace.WriteLine(exception); }
TraceUtilities.WriteMethodError(MethodBase.GetCurrentMethod());
return(false);
}
//FUNCTIONS
protected virtual Boolean CloseServerConnection()
{
try
{
ReturnCode = MvxSock.Close(ref serverId);
if (ReturnCode.Value == 0)
{
return(true);
}
else
{
Trace.WriteLine(String.Format("The 'MvxSock.Close' method retured non zero code:{0}", ReturnCode));
}
}
catch (Exception exception)
{ Trace.WriteLine(exception.ToString()); }
TraceUtilities.WriteMethodError(MethodBase.GetCurrentMethod());
ReturnCode = null;
return(false);
}
//METHODS
public virtual Boolean ExecuteProcess()
{
try
{
if (ApiData == null)
{
throw new InvalidOperationException("'ApiData' cannot be null.");
}
if (ApiData.Api == null)
{
throw new InvalidOperationException("'ApiData.Api' cannot be null");
}
if (ConnectionData == null)
{
throw new InvalidOperationException("'ConnectionData' cannot be null.");
}
if (ConnectionData.Password == null)
{
throw new InvalidOperationException("'ConnectionData.Password' cannot be null.");
}
if (ConnectionData.Port == 0)
{
throw new InvalidOperationException("'ConnectionData.Port' cannot be 0.");
}
if (ConnectionData.Server == null)
{
throw new InvalidOperationException("'ConnectionData.Server' cannot be null.");
}
if (ConnectionData.UserName == null)
{
throw new InvalidOperationException("'ConnectionData.UserName' cannot be null.");
}
if (InputFieldDataList == null)
{
throw new InvalidOperationException("RequestFieldDataList cannot be null.");
}
if (InputFieldDataList.Count == 0)
{
throw new InvalidOperationException("RequestFieldDataList.Count cannot be 0.");
}
serverId = new SERVER_ID();
if (!ConnectToServer())
{
CloseServerConnection();
return(false);
}
if (!SetMaximumWaitTime())
{
CloseServerConnection();
return(false);
}
if (!SetRequestFields())
{
CloseServerConnection();
return(false);
}
if (!ExecuteApi())
{
CloseServerConnection();
return(false);
}
if (!GetOutputFieldData())
{
CloseServerConnection();
return(false);
}
CloseServerConnection();
return(true);
}
catch (Exception exception)
{ Trace.WriteLine(exception.ToString()); }
TraceUtilities.WriteMethodError(MethodBase.GetCurrentMethod());
return(false);
}
//METHODS
public virtual Boolean ExecuteProcess()
{
try
{
Boolean returnState = false;
while ((ExecutionsAttempted <= ExecutionsToAttempt) && (!returnState))
{
if (ExecutionsAttempted > 1)
{
System.Threading.Thread.Sleep(random.Next((Int32)MinimumTimeToWaitBetweenRetries, (Int32)MaximumTimeToWaitBetweenRetries));
Trace.WriteLine(String.Format("Attempting to retry the API call. Execution Attempt:{0}", ExecutionsAttempted));
}
if (ApiData == null)
{
throw new InvalidOperationException("ApiData can not be null.");
}
if (ConnectionData == null)
{
throw new InvalidOperationException("ConnectionData can not be null.");
}
if (RequestFieldDataList == null)
{
throw new InvalidOperationException("RequestFieldDataList can not be null.");
}
if (!ValidateInputs())
{
return(false);
}
returnCode = null;
serverId = new SERVER_ID();
ExecutionsAttempted++;
if (!ConnectToServer())
{
CloseServerConnection();
continue;
}
if (EnableZippedTransactions)
{
if (!SetEnableZippedTransactions())
{
CloseServerConnection();
continue;
}
}
if (!SetMaximumRecordsForApiToReturn())
{
CloseServerConnection();
continue;
}
if (!SetMaximumWaitTime())
{
CloseServerConnection();
continue;
}
if (!SetRequestFields())
{
CloseServerConnection();
continue;
}
if (!ExecuteApi())
{
CloseServerConnection();
continue;
}
if (ReturnCode.Value == 0)
{
if (!ProcessApiResults())
{
CloseServerConnection();
continue;
}
}
CloseServerConnection();
returnState = true;
}
return(returnState);
}
catch (Exception exception)
{ Trace.WriteLine(exception.ToString()); }
TraceUtilities.WriteMethodError(MethodBase.GetCurrentMethod());
return(false);
}