本文假設您已詳讀以下文章:
如「Fleet Engine 基礎知識」的「排定工作」一節所述,您可以建立工作並將其與車輛停靠點建立關聯,藉此模擬真實世界中工作與車輛預計停靠位置之間的關係,方便司機完成工作。
接著,只要將最新狀態傳送至 Fleet Engine,系統就能在工作的整個生命週期中,完善執行路線規劃和狀態更新,方便您妥善管理工作進度。很重要的一點是,在車輛接近、抵達和離開停靠點時更新停靠點。如此一來,無論是車隊營運人員或客戶,都能取得工作進度的相關報表和分析資料。這些狀態項目如下:
- En route:
VehicleStop
的STATE
列舉值為ENROUTE
,代表停靠點是車輛行程表中的下一站。就工作而言,這表示與停靠點相關聯的工作,將是清單中下一個要完成的工作。 - Arrived:
VehicleStop
的STATE
列舉值為ARRIVED
,代表車輛已抵達停靠點。就工作而言,這表示目前正在處理與停靠點相關聯的工作。 - Completed:從車輛的停靠點清單中移除停靠點,即可將停靠點標示為已完成。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束工作,請參閱「完成工作」。
本文說明如何使用伺服器端方法更新停靠點狀態。如果允許司機使用信任的裝置管理工作,您也可以透過司機應用程式執行這項操作。兩種方法請擇一使用,以維持單一資料來源,並避免發生競爭狀況。
車輛正在前往停靠點
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。
停靠點狀態更新的必填欄位
Fleet Engine 會忽略實體中所有其他通知欄位。
欄位 | 值 |
---|---|
remainingVehicleJourneySegments
|
剩餘車輛停靠點清單,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
車輛抵達停靠點
車輛抵達停靠點時,必須通知 Fleet Engine。
停靠點狀態更新的必填欄位
Fleet Engine 會忽略實體中所有其他通知欄位。
欄位 | 值 |
---|---|
remainingVehicleJourneySegments
|
剩餘車輛停靠點清單,狀態標示為 State.NEW。 |
抵達停靠點範例
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 車輛已抵達停靠點。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。系統會將停靠點相關聯的所有工作都設為「CLOSED」狀態。
停靠點狀態更新的必填欄位
Fleet Engine 會忽略實體中所有其他通知欄位。
欄位 | 值 |
---|---|
remainingVehicleJourneySegments |
剩餘車輛停靠點清單,狀態標示為 State.NEW。 清單上的第一個停靠點必須標示為 State.ENROUTE 狀態。 |
完成停靠範例
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 車輛已抵達停靠點。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