更新停止状态

本文档假定您熟悉以下内容：

如 Fleet Engine Essentials 中的计划任务中所述，您可以创建任务并将其与车辆停靠点相关联，以此来模拟任务与车辆预计停靠位置之间的真实关联，以便司机可以完成任务。

然后，您可以通过向 Fleet Engine 发送更新来管理任务在整个生命周期内的进度，以便 Fleet Engine 能够最好地执行路线规划和状态更新，从而顺利完成任务。您执行此操作的一个关键方法是，在车辆接近、到达和离开停靠点时更新车辆停靠点。这样，Fleet 运营商和最终用户都可以获得有关任务进度的报告和分析。这些状态更新如下：

在途：STATE 枚举使用 ENROUTE 来表示该停靠点是车辆行程列表中下一个停靠点。VehicleStop从任务的角度来看，这意味着与该停靠点关联的任何任务都是列表中下一个要完成的任务。
已到达：STATE 的 VehicleStop 枚举使用 ARRIVED 来表示车辆已到达停靠点。从任务的角度来看，这意味着与该停靠点关联的任何任务都在积极处理中。
已完成：您可以从车辆的停靠点列表中移除停靠点，以将停靠点标记为已完成。执行此操作后，Fleet Engine 会自动将所有关联的任务标记为 CLOSED。如需详细了解如何关闭任务，请参阅完成任务。

本文档介绍了如何使用服务器端方法更新停靠点状态。如果您允许司机使用受信任的设备管理任务，也可以通过司机应用执行此操作。请仅使用一种方法，以避免出现竞态条件并维护单一的事实来源。

车辆正在前往停靠点的途中

当车辆开始导航到下一个停靠点时，您的系统应通知 Fleet Engine。这有助于改进预计到达时间和路线计算。

停靠点更新的必填字段

Fleet Engine 会忽略通知实体中的所有其他字段。

字段	值
`remainingVehicleJourneySegments`	剩余车辆停靠点的列表，其状态标记为 State.NEW。

前往停靠点示例

以下示例展示了如何使用 Java gRPC 库或对 UpdateDeliveryVehicle 进行 HTTP REST 调用来通知 Fleet Engine 车辆正在前往下一个停靠点的途中。所有其他停靠点都标记为新停靠点。

gRPC

 static final String PROJECT_ID = "my-delivery-co-gcp-project";
 static final String VEHICLE_ID = "vehicle-8241890";

 DeliveryServiceBlockingStub deliveryService =
   DeliveryServiceGrpc.newBlockingStub(channel);

 // Vehicle settings
 DeliveryVehicle deliveryVehicle = DeliveryVehicle.newBuilder()
     // Next stop marked as ENROUTE
     .addRemainingVehicleJourneySegments(VehicleJourneySegment.newBuilder()  // 1st stop
        .setStop(VehicleStop.newBuilder()
            .setPlannedLocation(LocationInfo.newBuilder()
                .setPoint(LatLng.newBuilder()
                    .setLatitude(37.7749)
                    .setLongitude(122.4194)))
            .addTasks(TaskInfo.newBuilder().setTaskId(TASK1_ID))
            .setState(VehicleStop.State.ENROUTE)))
     // All other stops marked as NEW
     .addRemainingVehicleJourneySegments(VehicleJourneySegment.newBuilder()  // 2nd stop
        .setStop(VehicleStop.newBuilder()
            .setPlannedLocation(LocationInfo.newBuilder()
                .setPoint(LatLng.newBuilder()
                    .setLatitude(37.3382)
                    .setLongitude(121.8863)))
            .addTasks(TaskInfo.newBuilder().setTaskId(TASK2_ID))
            .setState(VehicleStop.State.NEW)))
     .build();

 // DeliveryVehicle request
 UpdateDeliveryVehicleRequest updateDeliveryVehicleRequest =
   UpdateDeliveryVehicleRequest.newBuilder()  // No need for the header
       .setName(vehicleName)
       .setDeliveryVehicle(deliveryVehicle)
       .setUpdateMask(FieldMask.newBuilder().addPaths("remaining_vehicle_journey_segments"))
       .build();

 try {
   DeliveryVehicle updatedDeliveryVehicle =
       deliveryService.updateDeliveryVehicle(updateDeliveryVehicleRequest);
 } catch (StatusRuntimeException e) {
   Status s = e.getStatus();
   switch (s.getCode()) {
      case NOT_FOUND:
        break;
      case PERMISSION_DENIED:
        break;
   }
   return;
 }

REST

PATCH https://fleetengine.googleapis.com/v1/providers/<project_id>/deliveryVehicles/<id>?updateMask=remainingVehicleJourneySegments`

<id> 是任务的唯一标识符。
请求标头必须包含一个字段 Authorization，其值为 Bearer <token>，其中 <token> 由您的服务器根据服务账号角色和 JSON Web 令牌中所述的准则颁发。
请求正文必须包含 DeliveryVehicle 实体：

示例 curl 命令：

 # Set JWT, PROJECT_ID, VEHICLE_ID, TASK1_ID, and TASK2_ID in the local
 # environment
 curl -X PATCH "https://fleetengine.googleapis.com/v1/providers/${PROJECT_ID}/deliveryVehicles/${VEHICLE_ID}?updateMask=remainingVehicleJourneySegments" \
   -H "Content-type: application/json" \
   -H "Authorization: Bearer ${JWT}" \
   --data-binary @- << EOM
 {
   "remainingVehicleJourneySegments": [
     {
       "stop": {
         "state": "ENROUTE",
         "plannedLocation": {
           "point": {
             "latitude": 37.7749,
             "longitude": -122.084061
           }
         },
         "tasks": [
           {
             "taskId": "${TASK1_ID}"
           }
         ]
       }
     },
     {
       "stop": {
         "state": "NEW",
         "plannedLocation": {
           "point": {
             "latitude": 37.3382,
             "longitude": 121.8863
           }
         },
         "tasks": [
           {
             "taskId": "${TASK2_ID}"
           }
         ]
       }
     }
   ]
 }
 EOM

车辆到达停靠点

车辆到达停靠点时，必须通知 Fleet Engine。

停靠点更新的必填字段

Fleet Engine 会忽略通知实体中的所有其他字段。

字段	值
`remainingVehicleJourneySegments`	剩余车辆停靠点的列表，其状态标记为 State.NEW。

到达停靠点示例

以下示例展示了如何使用 Java gRPC 库或对 UpdateDeliveryVehicle进行 HTTP REST 调用来通知 Fleet Engine 车辆已到达停靠点。所有其他停靠点都标记为新停靠点。

gRPC

  static final String PROJECT_ID = "my-delivery-co-gcp-project";
  static final String VEHICLE_ID = "vehicle-8241890";

  DeliveryServiceBlockingStub deliveryService =
    DeliveryServiceGrpc.newBlockingStub(channel);

  // Vehicle settings
  String vehicleName = "providers/" + PROJECT_ID + "/deliveryVehicles/" + VEHICLE_ID;
  DeliveryVehicle deliveryVehicle = DeliveryVehicle.newBuilder()
      // Marking the arrival at stop.
      .addRemainingVehicleJourneySegments(VehicleJourneySegment.newBuilder()
         .setStop(VehicleStop.newBuilder()
             .setPlannedLocation(LocationInfo.newBuilder()
                 .setPoint(LatLng.newBuilder()
                     .setLatitude(37.7749)
                     .setLongitude(122.4194)))
             .addTasks(TaskInfo.newBuilder().setTaskId(TASK1_ID))
             .setState(VehicleStop.State.ARRIVED)))
      // All other remaining stops marked as NEW.
      .addRemainingVehicleJourneySegments(VehicleJourneySegment.newBuilder()  // 2nd stop
         .setStop(VehicleStop.newBuilder()
             .setPlannedLocation(LocationInfo.newBuilder()
                 .setPoint(LatLng.newBuilder()
                     .setLatitude(37.3382)
                     .setLongitude(121.8863)))
             .addTasks(TaskInfo.newBuilder().setTaskId(TASK2_ID))
             .setState(VehicleStop.State.NEW))) // Remaining stops must be NEW.
      .build();

  // DeliveryVehicle request
  UpdateDeliveryVehicleRequest updateDeliveryVehicleRequest =
    UpdateDeliveryVehicleRequest.newBuilder()  // No need for the header
        .setName(vehicleName)
        .setDeliveryVehicle(deliveryVehicle)
        .setUpdateMask(FieldMask.newBuilder()
            .addPaths("remaining_vehicle_journey_segments"))
        .build();

  try {
    DeliveryVehicle updatedDeliveryVehicle =
        deliveryService.updateDeliveryVehicle(updateDeliveryVehicleRequest);
  } catch (StatusRuntimeException e) {
    Status s = e.getStatus();
    switch (s.getCode()) {
       case NOT_FOUND:
         break;
       case PERMISSION_DENIED:
         break;
    }
    return;
  }

REST

`PATCH https://fleetengine.googleapis.com/v1/providers/<project_id>/deliveryVehicles/<id>?updateMask=remainingVehicleJourneySegments`

<id> 是任务的唯一标识符。
请求标头必须包含一个字段 Authorization，其值为 Bearer <token>，其中 <token> 由您的服务器根据服务账号角色和 JSON Web 令牌中所述的准则颁发。
请求正文必须包含 DeliveryVehicle 实体：

示例 curl 命令：

  # Set JWT, PROJECT_ID, VEHICLE_ID, TASK1_ID, and TASK2_ID in the local
  # environment
  curl -X PATCH "https://fleetengine.googleapis.com/v1/providers/${PROJECT_ID}/deliveryVehicles/${VEHICLE_ID}?updateMask=remainingVehicleJourneySegments" \
    -H "Content-type: application/json" \
    -H "Authorization: Bearer ${JWT}" \
    --data-binary @- << EOM
  {
    "remainingVehicleJourneySegments": [
      {
        "stop": {
          "state": "ARRIVED",
          "plannedLocation": {
            "point": {
              "latitude": 37.7749,
              "longitude": -122.084061
            }
          },
          "tasks": [
            {
              "taskId": "${TASK1_ID}"
            }
          ]
        }
      },
      {
        "stop": {
          "state": "NEW",
          "plannedLocation": {
            "point": {
              "latitude": 37.3382,
              "longitude": 121.8863
            }
          },
          "tasks": [
            {
              "taskId": "${TASK2_ID}"
            }
          ]
        }
      }
    ]
  }
  EOM

车辆完成停靠点

车辆完成停靠点时，必须通知 Fleet Engine。这会导致与该停靠点关联的所有任务都设置为 CLOSED 状态。

停靠点更新的必填字段

Fleet Engine 会忽略通知实体中的所有其他字段。

字段	值
`remainingVehicleJourneySegments`	剩余车辆停靠点的列表，其状态标记为 State.NEW。列表中的第一个停靠点的状态必须标记为 State.ENROUTE。

完成停靠点示例

以下示例展示了如何使用 Java gRPC 库或对 UpdateDeliveryVehicle进行 HTTP REST 调用来通知 Fleet Engine 车辆已到达停靠点。所有其他停靠点都标记为新停靠点。

gRPC

  static final String PROJECT_ID = "my-delivery-co-gcp-project";
  static final String VEHICLE_ID = "vehicle-8241890";

  DeliveryServiceBlockingStub deliveryService =
    DeliveryServiceGrpc.newBlockingStub(channel);

  // Vehicle settings
  String vehicleName = "providers/" + PROJECT_ID + "/deliveryVehicles/" + VEHICLE_ID;
  DeliveryVehicle deliveryVehicle = DeliveryVehicle.newBuilder()
      // This stop has been completed and is commented out to indicate it
      // should be removed from the list of vehicle journey segments.
      // .addRemainingVehicleJourneySegments(VehicleJourneySegment.newBuilder()
      //    .setStop(VehicleStop.newBuilder()
      //        .setPlannedLocation(LocationInfo.newBuilder()
      //            .setPoint(LatLng.newBuilder()
      //                .setLatitude(37.7749)
      //                .setLongitude(122.4194)))
      //        .addTasks(TaskInfo.newBuilder().setTaskId(TASK1_ID))
      //        .setState(VehicleStop.State.ARRIVED)))
      // All other remaining stops marked as NEW.
      // The next stop could be marked as ENROUTE if the vehicle has begun
      // its journey to the next stop.
      .addRemainingVehicleJourneySegments(VehicleJourneySegment.newBuilder()  // Next stop
         .setStop(VehicleStop.newBuilder()
             .setPlannedLocation(LocationInfo.newBuilder()
                 .setPoint(LatLng.newBuilder()
                     .setLatitude(37.3382)
                     .setLongitude(121.8863)))
             .addTasks(TaskInfo.newBuilder().setTaskId(TASK2_ID))
             .setState(VehicleStop.State.NEW)))
      .build();

  // DeliveryVehicle request
  UpdateDeliveryVehicleRequest updateDeliveryVehicleRequest =
    UpdateDeliveryVehicleRequest.newBuilder()  // no need for the header
        .setName(vehicleName)
        .setDeliveryVehicle(deliveryVehicle)
        .setUpdateMask(FieldMask.newBuilder()
            .addPaths("remaining_vehicle_journey_segments"))
        .build();

  try {
    DeliveryVehicle updatedDeliveryVehicle =
        deliveryService.updateDeliveryVehicle(updateDeliveryVehicleRequest);
  } catch (StatusRuntimeException e) {
    Status s = e.getStatus();
    switch (s.getCode()) {
       case NOT_FOUND:
         break;
       case PERMISSION_DENIED:
         break;
    }
    return;
  }

REST

PATCH https://fleetengine.googleapis.com/v1/providers/<project_id>/deliveryVehicles/<id>?updateMask=remaining_vehicle_journey_segments`

<id> 是任务的唯一标识符。
请求标头必须包含一个字段 Authorization，其值为 Bearer <token>，其中 <token> 由您的服务器根据服务账号角色和 JSON Web 令牌中所述的准则颁发。
请求正文必须包含 DeliveryVehicle 实体：

示例 curl 命令：

 # Set JWT, PROJECT_ID, VEHICLE_ID, TASK1_ID, and TASK2_ID in the local
 # environment
 curl -X PATCH "https://fleetengine.googleapis.com/v1/providers/${PROJECT_ID}/deliveryVehicles/${VEHICLE_ID}?updateMask=remainingVehicleJourneySegments" \
   -H "Content-type: application/json" \
   -H "Authorization: Bearer ${JWT}" \
   --data-binary @- << EOM
 {
   "remainingVehicleJourneySegments": [
     {
       "stop": {
         "state": "NEW",
         "plannedLocation": {
           "point": {
             "latitude": 37.3382,
             "longitude": 121.8863
           }
         },
         "tasks": [
           {
             "taskId": "${TASK2_ID}"
           }
         ]
       }
     }
   ]
 }
 EOM

后续步骤

完成任务

更新停止状态 使用集合让一切井井有条 根据您的偏好保存内容并对其进行分类。

车辆正在前往停靠点的途中

停靠点更新的必填字段

前往停靠点示例

gRPC

REST

车辆到达停靠点

停靠点更新的必填字段

到达停靠点示例

gRPC

REST

车辆完成停靠点

停靠点更新的必填字段

完成停靠点示例

gRPC

REST

后续步骤

更新停止状态