public GearmanJob(GearmanWorkerProtocol protocol, GearmanJobInfo jobAssignment,
DataDeserializer <TArg> argumentDeserializer, DataSerializer <TResult> resultSerializer)
{
_serializer = resultSerializer;
_deserializer = argumentDeserializer;
_protocol = protocol;
Info = jobAssignment;
FunctionArgument = _deserializer(jobAssignment.FunctionArgument);
}
private void CallFunction(GearmanWorkerProtocol protocol, GearmanJobInfo jobAssignment)
{
var functionInformation = _functionInformation[jobAssignment.FunctionName];
object job;
try
{
job = functionInformation.JobConstructor.Invoke(new object[]
{
protocol,
jobAssignment,
functionInformation.ArgumentDeserializer,
functionInformation.ResultSerializer,
});
}
catch (Exception ex)
{
throw new GearmanException("Failed to invoke the GearmanJob constructor", ex);
}
try
{
functionInformation.Function.DynamicInvoke(job);
}
catch (TargetInvocationException ex)
{
if (ex.InnerException != null)
{
// Remove the TargetInvocationException wrapper that DynamicInvoke added,
// so we can give the user the exception from the job function.
throw new GearmanFunctionInternalException(
jobAssignment,
String.Format("Function '{0}' threw exception", jobAssignment.FunctionName), ex.InnerException);
}
// If there is no inner exception, something strange is up, so then we want to throw this exception.
throw new GearmanException("Failed to invoke the function dynamically", ex);
}
catch (Exception ex)
{
throw new GearmanException("Failed to invoke the function dynamically", ex);
}
}
/// <summary>
/// Called when a job function throws an exception. Does nothing and returns false, to not abort the work loop.
/// </summary>
/// <param name="exception">The exception thrown by the job function.</param>
/// <param name="jobAssignment">The job assignment that the job function got.</param>
/// <returns>Return true if it should throw, or false if it should not throw after the return.</returns>
protected override bool OnJobException(Exception exception, GearmanJobInfo jobAssignment)
{
// Don't throw the exception, as that would abort the work loop.
return false;
}
/// <summary>
/// Called when a job function throws an exception. The default implementation returns true.
/// </summary>
/// <param name="exception">The exception thrown by the job function.</param>
/// <param name="jobAssignment">The job assignment that the job function got.</param>
/// <returns>Return true if it should throw, or false if it should not throw after the return.</returns>
protected virtual bool OnJobException(Exception exception, GearmanJobInfo jobAssignment)
{
return(true);
}
/// <summary>
/// Called when a job function throws an exception. Does nothing and returns false, to not abort the work loop.
/// </summary>
/// <param name="exception">The exception thrown by the job function.</param>
/// <param name="jobAssignment">The job assignment that the job function got.</param>
/// <returns>Return true if it should throw, or false if it should not throw after the return.</returns>
protected override bool OnJobException(Exception exception, GearmanJobInfo jobAssignment)
{
// Don't throw the exception, as that would abort the work loop.
return(false);
}
