protected internal static void HandleJobFailure(string nextJobId, JobFailureCollector jobFailureCollector,
System.Exception exception)
{
Log.ExceptionWhileExecutingJob(nextJobId, exception);
jobFailureCollector.Failure = exception;
}
public virtual ProcessEngineException WrapJobExecutionFailure(JobFailureCollector jobFailureCollector,
System.Exception cause)
{
var job = jobFailureCollector.Job;
if (job != null)
{
return
(new ProcessEngineException(
ExceptionMessage("025", "Exception while executing job {0}: ", jobFailureCollector.JobId), cause));
}
return
(new ProcessEngineException(
ExceptionMessage("025", "Exception while executing job {0}: ", jobFailureCollector.JobId), cause));
}
public static void ExecuteJob(string nextJobId, ICommandExecutor commandExecutor, JobFailureCollector jobFailureCollector, ICommand <object> cmd)
{
try
{
commandExecutor.Execute(cmd);
}
catch (ProcessEngineException exception)
{
HandleJobFailure(nextJobId, jobFailureCollector, exception);
throw;
}
catch (System.Exception exception)
{
HandleJobFailure(nextJobId, jobFailureCollector, exception);
// wrap the exception and throw it to indicate the ExecuteJobCmd failed
throw Log.WrapJobExecutionFailure(jobFailureCollector, exception);
}
finally
{
InvokeJobListener(commandExecutor, jobFailureCollector);
}
}
protected internal static void InvokeJobListener(ICommandExecutor commandExecutor, JobFailureCollector jobFailureCollector)
{
if (!string.IsNullOrEmpty((jobFailureCollector.jobId)))
{
if (jobFailureCollector.Failure != null)
{
// the failed job listener is responsible for decrementing the retries and logging the exception to the DB.
var failedJobListener = CreateFailedJobListener(commandExecutor, jobFailureCollector.Failure, jobFailureCollector.JobId);
OptimisticLockingException exception = CallFailedJobListenerWithRetries(commandExecutor, failedJobListener);
if (exception != null)
{
throw exception;
}
}
else
{
var successListener = CreateSuccessfulJobListener(commandExecutor);
commandExecutor.Execute(successListener);
}
}
}
public static void ExecuteJob(string jobId, ICommandExecutor commandExecutor)
{
var jobFailureCollector = new JobFailureCollector(jobId);
ExecuteJob(jobId, commandExecutor, jobFailureCollector, new ExecuteJobsCmd(jobId, jobFailureCollector));
}
