本文假設您熟悉下列項目:
如「Fleet Engine 基礎知識」的「排定工作」一節所述,您可以建立工作並與車輛停靠站建立關聯,藉此模擬工作與車輛預計停靠位置之間的實際關聯,方便駕駛人完成工作。
接著,您可以在整個生命週期中管理工作進度,方法是將更新傳送至 Fleet Engine,以便在工作過程中盡可能執行路線規劃和狀態更新。其中一個重要方法是,在車輛接近、抵達和離開停靠站時更新車輛停靠站。這項功能可讓車隊營運人員和使用者,取得工作進度的相關報表和分析資料。這些狀態更新如下:
- En route:STATE列舉的VehicleStop使用ENROUTE表示停靠站是車輛行程表中的下一個停靠站。就工作而言,這表示與停靠點相關聯的任何工作,都會是清單中下一個要完成的工作。
- Arrived:VehicleStop的STATE列舉值ARRIVED表示車輛已抵達停靠站。從工作角度來看,這表示與停靠點相關聯的任何工作都會主動停止。
- 已完成:從車輛的停靠站清單中移除停靠站,即可將停靠站標示為已完成。這麼做時,Fleet Engine 會自動將所有相關聯的工作標示為 CLOSED。如要進一步瞭解如何結案,請參閱「完成工作」。
本文說明如何使用伺服器端方法更新停止狀態。如果允許司機使用信任的裝置管理工作,你也可以透過司機應用程式執行這項操作。請只使用一種方法,以免發生競爭狀況,並維持單一可靠來源。
車輛正在前往停靠站
當車輛開始導航前往下一個停靠點時,系統應通知 Fleet Engine。這有助於提升預計抵達時間和路線計算的準確度。
停止更新的必填欄位
Fleet Engine 會忽略實體中用於通知的其他所有欄位。
| 欄位 | 值 | 
|---|---|
| remainingVehicleJourneySegments | 剩餘車輛停靠站清單,狀態標示為 State.NEW。 | 
Enroute to stop example
下列範例說明如何使用 Java gRPC 程式庫或對 UpdateDeliveryVehicle 進行 HTTP REST 呼叫,通知 Fleet Engine 車輛正前往下一個停靠點。所有其他停靠點都會標示為新停靠點。
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> 是工作的專屬 ID。
- 要求標頭必須包含「Authorization」欄位,值為「Bearer <token>」,其中「<token>」是由伺服器根據「服務帳戶角色」和「JSON Web Token」中說明的準則發出。
- 要求主體必須包含 DeliveryVehicle實體:
curl 指令範例:
 # 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
車輛抵達停靠站
車輛抵達停靠站時,必須通知 Fleet Engine。
停止更新的必填欄位
Fleet Engine 會忽略實體中用於通知的其他所有欄位。
| 欄位 | 值 | 
|---|---|
| remainingVehicleJourneySegments | 剩餘車輛停靠站清單,狀態標示為 State.NEW。 | 
抵達停靠站範例
下列範例說明如何使用 Java gRPC 程式庫或對 UpdateDeliveryVehicle 發出 HTTP REST 呼叫,通知 Fleet Engine 車輛已抵達停靠站。其他所有停靠點都會標示為新停靠點。
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> 是工作的專屬 ID。
- 要求標頭必須包含「Authorization」欄位,值為「Bearer <token>」,其中「<token>」是由伺服器根據「服務帳戶角色」和「JSON Web Token」中說明的準則發出。
- 要求主體必須包含 DeliveryVehicle實體:
curl 指令範例:
  # 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
車輛完成停靠
車輛完成停靠時,必須通知 Fleet Engine。這會導致與停靠點相關聯的所有工作都設為「已完成」狀態。
停止更新的必填欄位
Fleet Engine 會忽略實體中用於通知的其他所有欄位。
| 欄位 | 值 | 
|---|---|
| remainingVehicleJourneySegments | 剩餘車輛停靠站清單,狀態標示為 State.NEW。 清單上的第一個停靠站必須標示為 State.ENROUTE 狀態。 | 
完成停止範例
下列範例說明如何使用 Java gRPC 程式庫或對 UpdateDeliveryVehicle 發出 HTTP REST 呼叫,通知 Fleet Engine 車輛已抵達停靠站。其他所有停靠點都會標示為新停靠點。
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> 是工作的專屬 ID。
- 要求標頭必須包含「Authorization」欄位,值為「Bearer <token>」,其中「<token>」是由伺服器根據「服務帳戶角色」和「JSON Web Token」中說明的準則發出。
- 要求主體必須包含 DeliveryVehicle實體:
curl 指令範例:
 # 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