private void ExceptionOccurred(CassandraOperationException exc)
{
Debug.WriteLine(exc);
HasError = true;
Error = exc;
}
public virtual bool TryExecute(out TResult result)
{
if (_executionCount > Session.ConnectionBuilder.MaxRetries)
{
result = default(TResult);
return(!HasError);
}
_executionCount++;
try
{
result = Execute();
// HasError needs to be reset to false incase a retry happens
HasError = false;
Error = null;
}
catch (AuthenticationException exc)
{
ExceptionOccurred(new CassandraOperationException(exc));
result = default(TResult);
}
catch (AuthorizationException exc)
{
ExceptionOccurred(new CassandraOperationException(exc));
result = default(TResult);
}
catch (InvalidRequestException exc)
{
ExceptionOccurred(new CassandraOperationException(exc));
result = default(TResult);
}
catch (UnavailableException exc)
{
Session.MarkCurrentConnectionAsUnhealthy(exc);
ExceptionOccuredRetryExecution(new CassandraOperationException(exc), out result);
}
catch (TimeoutException exc)
{
ExceptionOccuredRetryExecution(new CassandraOperationException(exc), out result);
}
catch (TimedOutException exc)
{
ExceptionOccuredRetryExecution(new CassandraOperationException(exc), out result);
}
catch (TTransportException exc)
{
Session.MarkCurrentConnectionAsUnhealthy(exc);
ExceptionOccuredRetryExecution(new CassandraOperationException(exc), out result);
}
catch (IOException exc)
{
Session.MarkCurrentConnectionAsUnhealthy(exc);
ExceptionOccuredRetryExecution(new CassandraOperationException(exc), out result);
}
catch (NotFoundException exc)
{
ExceptionOccuredRetryExecution(new CassandraOperationException(exc), out result);
}
catch (Exception exc)
{
ExceptionOccurred(new CassandraOperationException(exc));
result = default(TResult);
}
return(!HasError);
}
private void ExceptionOccuredRetryExecution(CassandraOperationException exc, out TResult result)
{
ExceptionOccurred(exc);
TryExecute(out result);
}
