, Context: context.Background(), } 然后调用Add方法添加需要上报的信息 func (s *Saga) Add(action string, compensate...string, postData interface{}) *Saga { s.Steps = append(s.Steps, map[string]string{"action": action, "compensate...": compensate}) s.Payloads = append(s.Payloads, dtmimp.MustMarshalString(postData)) 最后通过submit提交给dtm...}, { "action": "http://localhost:8082/api/busi_start/TransIn", "compensate...api/busi_start/TransOutCompensate\"},{\"action\":\"http://localhost:8082/api/busi_start/TransIn\",\"compensate
){ //做一个money的反向操作 returnDo_AccountT(uid, -1*money){ } 同理,订单表操作为 Do_OrderT,新增一个订单 Compensate_OrderT...: (1)不同的业务要写不同的补偿事务,不具备通用性 (2)没有考虑补偿事务的失败 (3)如果业务流程很复杂,if/else会嵌套非常多层 例如,如果上面的例子加上流水表的修改,加上Do_FlowT和Compensate_FlowT...returnYES; } else{ // 第三个事务失败,则执行第二、第一个事务的补偿事务 flag =Compensate_OrderT...flag= Compensate_AccountT(); if … else … // 补偿事务执行失败?...} } else{ // 第二个事务失败,执行第一个事务的补偿事务 Compensate_AccountT(); if … else … // 补偿事务执行失败
定义服务和事务 go package main import "fmt" // 定义服务接口 type Service interface { Execute() error Compensate...OrderService) Execute() error { fmt.Println("执行订单服务") // 逻辑代码 return nil } func (o OrderService) Compensate...) Execute() error { fmt.Println("执行支付服务") // 逻辑代码 return nil } func (p PaymentService) Compensate...SagaCoordinator) rollback() { for i := len(s.services) - 1; i >= 0; i-- { if err := s.services[i].Compensate
branch_id:子事务的Id op:当前操作,对于Saga事务模式,要么为action(正向操作),要么为compensate(补偿操作)。...转出补偿子事务(TransferOut_Compensate) 转出补偿,就是回滚转出操作,进行账户余额归还,实现如下: [HttpPost("TransferOut_Compensate")]...public async Task TransferOut_Compensate([FromBody] TransferRequest request)...[HttpPost("TransferIn_Compensate")] public async Task TransferIn_Compensate([FromBody...添加子事务 saga.Add(bizUrl + "/TransferOut", bizUrl + "/TransferOut_Compensate",
二者的差别在于IActivity定义了Execute和Compensate两个方法,而IExecuteActivitiy仅定义了Execute方法。...其中Execute代表正向操作,Compensate代表反向补偿操作。...TLog对应反向补偿参数,会在Compensate方法中使用,本例中为CreateOrderLog,用于订单取消。...实现IActivity接口中的Compensate方法: 具体反向补偿逻辑的实现,本例中对应取消订单 返回反向补偿执行结果 订单服务的最后一步就是定义WebApi...-482a-7cb2-08dada7915bf", "address": "rabbitmq://localhost/masstransit/create-order_compensate
```java public interface SagaStep { void execute(); void compensate(); } public...Collections.reverse(steps); for (SagaStep step : steps) { step.compensate
} else { return false; } } // 当调用CanSend()判断可以发送后,实际上又没有发送那么多,就需要调用Compensate...()把未发送出去的量补回到桶中,这样流量控制才会准确 void Compensate(double fSendLeftUnits) { m_fBucketWater +=
for uid; anyException rollback return NO; commit; return YES; } 那么,修改余额,补偿事务可以是: int Compensate_AccountT...做一个money的反向操作 return Do_AccountT(uid, -1*money){ } 同理,订单操作,事务是:Do_OrderT,新增一个订单; 订单操作,补偿事务是:Compensate_OrderT...// 第二个事务成功,则成功 return YES; } else{ // 第二个事务失败,执行第一个事务的补偿事务 Compensate_AccountT
TEXT COMMENT 'content', `recover_strategy` VARCHAR(16) COMMENT 'transaction recover strategy(compensate...CompensateSubStateMachineState) { //If it is the compensation of the substate machine, // directly call the state machine's compensate...BranchStatus.PhaseTwo_CommitFailed_Retryable; } stateMachineInstance = StateMachineEngineHolder.getStateMachineEngine().compensate...BranchStatus.PhaseTwo_Rollbacked; } } catch (EngineExecutionException e) { LOGGER.error("StateMachine compensate...))) { return BranchStatus.PhaseTwo_Rollbacked; } } catch (Exception e) { LOGGER.error("StateMachine compensate
CompensationController { @Autowired private CompensationService compensationService; @GetMapping("/compensate...Primary operation succeeded"; } } 2.3 测试补偿功能 启动 Spring Boot 应用,并访问如下 URL: 复制代码 http://localhost:8080/compensate
——老子 今日名言 “Imagination was given to man to compensate him for what he is not, and a sense of humor was
By default, tokens are good for 30 seconds and in order to compensate for possible time-skew between
[i] * compensate_iou[i] - decay_iou[i * n + j] * decay_iou[i * n + j]))); } ...我们看接下来的代码,逐列取decay_iou的最大值得到补偿向量compensate_iou,在这个示例中compensate_iou=[0, 0.9, 0.8],然后求一个n * n的矩阵decay_matrix...decay_matrix[i * n + j] = (1.f - decay_iou[i * n + j]) / (1.f - compensate_iou[i]); 第i个预测框和第j个预测框的iou...所以需要除以(1.f - compensate_iou[i])作为补偿,compensate_iou[i]表示的是第i个预测框与比它分高的预测框的最高iou: 如果这个max_iou很大,衰减系数就会被放大...然后,逐列取decay_matrix的最小值,第j列的最小值应该是decay_iou[i * n + j]越大越好、compensate_iou[i]越小越好的那个第i个预测框提供。
CompensationController { @Autowired private CompensationService compensationService; @GetMapping("/compensate..."Primary operation succeeded"; }}2.3 测试补偿功能启动 Spring Boot 应用,并访问如下 URL:复制代码http://localhost:8080/compensate
During back propagation, these phenomena causes distraction to gradients, meaning the gradients have to compensate
users.noreply.github.com> Date: Tue Jan 29 07:40:48 2019 -0800 Support WeChat mini app environment (#1510) To compensate
worth ‘\0x1A’ as meaning a logical end of file) and so the reading and writing low-level code must compensate
1.2 TCXO(T表示温度,C表示补偿,提高频率稳定度) 温补晶振,Temperature Compensate X'tal(Crystal) Oscillator,TCXO采用热敏补偿网络形成一个反向的补偿电压
:M 17 Nov 09:24:43.147 # Current maximum open files is 4096. maxclients has been reduced to 4064 to compensate
The main purpose of the display gamma is to compensate for a file’s gamma — thereby ensuring that the...This can help compensate for limitations due to the dynamic range of a display device, or due to non-ideal...Gamma correction is sometimes specified in terms of the encoding gamma that it aims to compensate for
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