/// <summary>
/// int method to execute batch
/// </summary>
/// <param name="batchMain"></param>
public void Init(BatchMain batchMain)
{
//userdata creation
UserDataFactory userDataFactory = DefaultBatchUserfactory.GetInstance();
UserData usrdata = userDataFactory.CreateUserData(null);
//check the batchmain instance available
if (batchMain == null)
{
MessageData messageData = new MessageData("fbce00023", Properties.Resources.fbce00023);
Exception ex = new NullReferenceException();
logger.Error(messageData, ex);
ExitApplication(Properties.Settings.Default.SCHED_RETURN_IN_BATCH_CONTROLLER_BATCH_MAIN_INSTANCE_NOT_AVAILABLE);
}
//Get Batch Prameters for batchexecution
string batchExecutionTypeParam = BatchConfigurationDataTypeEnum.BATCH_EXECUTION_TYPE.GetValue();
TimeSpan batchExecutionWaitIntervalParam = TimeSpan.Parse(BatchConfigurationDataTypeEnum.BATCH_EXECUTION_WAIT_INTERVAL.GetValue());
//Get Batch Prameters for batchexecution retry on exception
int batchExecutionRetryCountParam = Convert.ToInt32(BatchConfigurationDataTypeEnum.BATCH_EXECUTION_RETRY_COUNT_ON_EXCEPTION.GetValue());
TimeSpan batchExecutionRetryWaitIntervalParam = TimeSpan.Parse(BatchConfigurationDataTypeEnum.BATCH_EXECUTION_RETRY_WAIT_INTERVAL_ON_EXCEPTION.GetValue());
//Get Batch Prameters for preventmultipleinvoke
bool preventMultipleInvokeParam = Convert.ToBoolean(BatchConfigurationDataTypeEnum.PREVENT_MULTIPLE_INVOKE.GetValue());
TimeSpan preventMultipleInvokeWaitIntervalParam = TimeSpan.Parse(BatchConfigurationDataTypeEnum.PREVENT_MULTIPLE_INVOKE_WAIT_INTERVAL.GetValue());
int preventMultipleInvokeRetryCountParam = Convert.ToInt32(BatchConfigurationDataTypeEnum.PREVENT_MULTIPLE_INVOKE_RETRY_COUNT.GetValue());
//counter to chcek retry count on exception case
int exceptionRetryCounter = 0;
//to check whether the batch has been started to avoid checking multipleinvoker everytime
bool batchStarted = false;
//1.start batch process to do continous execution in while loop
while (true)
{
//3.1 prevent multiple invoke based on the settings file value and start the batch program
if (preventMultipleInvokeParam && !batchStarted)
{
//counter to check multipleinvoke retry
int preventMultipleInvokeRetryCounter = 0;
while (true)
{
bool continueBatchExecution;
try
{
continueBatchExecution = PreventMultipleInvokeCheckForBatchExecution(batchMain.GetName());
}
catch (Exception multipleInvokeEx)
{
//logging for retry on exception
MessageData multipleInvokeExMessageData = new MessageData("fbce00029", Properties.Resources.fbce00029);
logger.Error(multipleInvokeExMessageData, multipleInvokeEx);
ExitApplication(Properties.Settings.Default.SCHED_RETURN_IN_BATCH_CONTROLLER_MULTIPLE_INVOKE_EXCEPTION);
return;
}
//if continuebatchexecution flag is true, exit the loop and do batch execuion
if (continueBatchExecution)
{
//update the flag once batch started
batchStarted = true;
break;
}
//if retrycount=0, complete the batch application
if (preventMultipleInvokeRetryCountParam == 0)
{
ExitApplication(Properties.Settings.Default.SCHED_RETURN_IN_BATCH_CONTROLLER_MULTIPLE_INVOKE_EXCEPTION_NO_RETRY);
return;
}
//increase the counter to check multipleinvokeretry count
preventMultipleInvokeRetryCounter++;
//Wait interval for execution retry
try
{
MultipleInvokeExecutionRetryWait(preventMultipleInvokeRetryCounter, preventMultipleInvokeWaitIntervalParam);
}
catch (Exception ex)
{
MessageData messagedata = new MessageData("fbce00027", Properties.Resources.fbce00027);
logger.Error(messagedata, ex);
ExitApplication(Properties.Settings.Default.SCHED_RETURN_IN_BATCH_CONTROLLER_MULTIPLE_INVOKE_RETRY_THREAD_WAIT_EXCEPTION);
return;
}
//exception throws after retry counts reached maximum retry count in the settings file
if (preventMultipleInvokeRetryCounter >= preventMultipleInvokeRetryCountParam)
{
MessageData messageData = new MessageData("fbce00022", Properties.Resources.fbce00022);
logger.Error(messageData);
ExitApplication(Properties.Settings.Default.SCHED_RETURN_IN_BATCH_CONTROLLER_MULTIPLE_INVOKE_RETRY_REACHED_MAX_COUNT);
return;
}
}
}
//1.execute the batch
try
{
logger.Debug(new MessageData("fbcd00001", Properties.Resources.fbcd00001));
batchMain.Execute();
logger.Debug(new MessageData("fbcd00002", Properties.Resources.fbcd00002));
exceptionRetryCounter = 0;
}
catch (Exception batchExecutionEx)
{
MessageData batchExceptionMessagedata = new MessageData("fbce00034", Properties.Resources.fbce00034);
logger.Error(batchExceptionMessagedata, batchExecutionEx);
//if retrycount=0, complete the batch application
if (batchExecutionRetryCountParam == 0)
{
CompleteBatchExecution(batchMain.GetName(), Properties.Settings.Default.SCHED_RETURN_IN_BATCH_CONTROLLER_EXECUTION_EXCEPTION_NO_RETRY);
return;
}
//2.1 do retry execution based on settings parameter count
exceptionRetryCounter++;
//2.2 wait for next execution retry on exception case, if wait interval time specified in settings file
try
{
BatchExecutionRetryWaitOnException(exceptionRetryCounter, batchExecutionRetryWaitIntervalParam);
}
catch (Exception batchRetryEx)
{
MessageData messagedata = new MessageData("fbce00026", Properties.Resources.fbce00026);
logger.Error(messagedata, batchRetryEx);
CompleteBatchExecution(batchMain.GetName(), Properties.Settings.Default.SCHED_RETURN_IN_BATCH_CONTROLLER_RETRY_EXECUTION_ON_EXCEPTION_THREAD_WAIT_EXCEPTION);
return;
}
//if the retry count reached the max, exit the batch application
if (exceptionRetryCounter >= batchExecutionRetryCountParam)
{
CompleteBatchExecution(batchMain.GetName(), Properties.Settings.Default.SCHED_RETURN_IN_BATCH_CONTROLLER_RETRY_EXECUTION_ON_EXCEPTION_REACHED_MAX_COUNT);
return;
}
continue;
}
//1.1batch execution stops if batchexecutiontype : 0 - onetime execution / 1 - infinity loop
if ("0".Equals(batchExecutionTypeParam))
{
//3.update the batch process flag to set '2' as completed
CompleteBatchExecution(batchMain.GetName(), Properties.Settings.Default.SCHED_RETURN_IN_BATCH_CONTROLLER_BATCH_EXECUTION_SUCCESS);
return;
}
//check isstoprequested flag after each execution
//if "1" remove the batchprocessdata and exit the application
if (CheckIsStopRequestedForApplication(batchMain.GetName()))
{
MessageData messagedata = new MessageData("fbci00014", Properties.Resources.fbci00014);
logger.Info(messagedata);
//complete with success in the taskscheduler after stop requested by administrator
CompleteBatchExecution(batchMain.GetName(), Properties.Settings.Default.SCHED_RETURN_IN_BATCH_CONTROLLER_BATCH_EXECUTION_SUCCESS);
return;
}
//1.2.wait for next execution, if wait interval time specified in settings file
try
{
BatchExecutionWait(batchExecutionWaitIntervalParam);
}
catch (Exception batchExecutionWaitEx)
{
MessageData messagedata = new MessageData("fbce00025", Properties.Resources.fbce00025);
logger.Error(messagedata, batchExecutionWaitEx);
CompleteBatchExecution(batchMain.GetName(), Properties.Settings.Default.SCHED_RETURN_IN_BATCH_CONTROLLER_EXECUTION_THREAD_WAIT_EXCEPTION);
return;
}
}
}