@Override public Observable<R> call(Throwable t) { circuitBreaker.markNonSuccess(); Exception e = getExceptionFromThrowable(t); executionResult = executionResult.setExecutionException(e); if (e instanceof RejectedExecutionException) { return handleThreadPoolRejectionViaFallback(e); } else if (t instanceof HystrixTimeoutException) { return handleTimeoutViaFallback(); } else if (t instanceof HystrixBadRequestException) { return handleBadRequestByEmittingError(e); } else { /* * Treat HystrixBadRequestException from ExecutionHook like a plain HystrixBadRequestException. */ if (e instanceof HystrixBadRequestException) { eventNotifier.markEvent(HystrixEventType.BAD_REQUEST, commandKey); return Observable.error(e); } return handleFailureViaFallback(e); } } };
@Override public void call() { circuitBreaker.markNonSuccess(); if (_cmd.commandState.compareAndSet(CommandState.OBSERVABLE_CHAIN_CREATED, CommandState.UNSUBSCRIBED)) { if (!_cmd.executionResult.containsTerminalEvent()) { _cmd.eventNotifier.markEvent(HystrixEventType.CANCELLED, _cmd.commandKey); try { executionHook.onUnsubscribe(_cmd); } catch (Throwable hookEx) { logger.warn("Error calling HystrixCommandExecutionHook.onUnsubscribe", hookEx); } _cmd.executionResultAtTimeOfCancellation = _cmd.executionResult .addEvent((int) (System.currentTimeMillis() - _cmd.commandStartTimestamp), HystrixEventType.CANCELLED); } handleCommandEnd(false); //user code never ran } else if (_cmd.commandState.compareAndSet(CommandState.USER_CODE_EXECUTED, CommandState.UNSUBSCRIBED)) { if (!_cmd.executionResult.containsTerminalEvent()) { _cmd.eventNotifier.markEvent(HystrixEventType.CANCELLED, _cmd.commandKey); try { executionHook.onUnsubscribe(_cmd); } catch (Throwable hookEx) { logger.warn("Error calling HystrixCommandExecutionHook.onUnsubscribe", hookEx); } _cmd.executionResultAtTimeOfCancellation = _cmd.executionResult .addEvent((int) (System.currentTimeMillis() - _cmd.commandStartTimestamp), HystrixEventType.CANCELLED); } handleCommandEnd(true); //user code did run } } };