private <DATA_TYPE> void handleBackgroundOperationException( OperationAndData<DATA_TYPE> operationAndData, Throwable e) { do { if ((operationAndData != null) && RetryLoop.isRetryException(e)) { if (!Boolean.getBoolean(DebugUtils.PROPERTY_DONT_LOG_CONNECTION_ISSUES)) { log.debug("Retry-able exception received", e); } if (client .getRetryPolicy() .allowRetry( operationAndData.getThenIncrementRetryCount(), operationAndData.getElapsedTimeMs(), operationAndData)) { if (!Boolean.getBoolean(DebugUtils.PROPERTY_DONT_LOG_CONNECTION_ISSUES)) { log.debug("Retrying operation"); } backgroundOperations.offer(operationAndData); break; } else { if (!Boolean.getBoolean(DebugUtils.PROPERTY_DONT_LOG_CONNECTION_ISSUES)) { log.debug("Retry policy did not allow retry"); } if (operationAndData.getErrorCallback() != null) { operationAndData.getErrorCallback().retriesExhausted(operationAndData); } } } logError("Background exception was not retry-able or retry gave up", e); } while (false); }
@SuppressWarnings({"ThrowableResultOfMethodCallIgnored"}) <DATA_TYPE> void processBackgroundOperation( OperationAndData<DATA_TYPE> operationAndData, CuratorEvent event) { boolean isInitialExecution = (event == null); if (isInitialExecution) { performBackgroundOperation(operationAndData); return; } boolean doQueueOperation = false; do { if (RetryLoop.shouldRetry(event.getResultCode())) { if (client .getRetryPolicy() .allowRetry( operationAndData.getThenIncrementRetryCount(), operationAndData.getElapsedTimeMs(), operationAndData)) { doQueueOperation = true; } else { if (operationAndData.getErrorCallback() != null) { operationAndData.getErrorCallback().retriesExhausted(operationAndData); } KeeperException.Code code = KeeperException.Code.get(event.getResultCode()); Exception e = null; try { e = (code != null) ? KeeperException.create(code) : null; } catch (Throwable ignore) { } if (e == null) { e = new Exception("Unknown result code: " + event.getResultCode()); } logError("Background operation retry gave up", e); } break; } if (operationAndData.getCallback() != null) { sendToBackgroundCallback(operationAndData, event); break; } processEvent(event); } while (false); if (doQueueOperation) { queueOperation(operationAndData); } }