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Help Center> IoT> API Reference> Northbound Java SDK API Reference> Service API List> Device Upgrade> Querying the Result of a Specified Upgrade Task
Updated at: Feb 24, 2022 GMT+08:00

Querying the Result of a Specified Upgrade Task

Typical Scenario

After a device software or firmware upgrade task is created, an NA can call this API to query details about the upgrade task, including the configuration and execution status.

API Function

This API is used by an NA to query details about a software or firmware upgrade task, including the configuration and execution status.

API Description

1
QueryUpgradeTaskOutDTO queryUpgradeTask(String operationId, String accessToken) throws NorthApiException

Parameter Description

Parameter

Mandatory or Optional

Type

Location

Description

operationId

Mandatory

String

path

Identifies an operation task. The value of this parameter is returned by the IoT platform after the operation task is created.

accessToken

Mandatory

String

header

If the Periodically Refreshing a Token API is called, set this parameter to null. Otherwise, set this parameter to the accessToken obtained by the Authentication API.

Response Parameters

QueryUpgradeTaskOutDTO structure

Parameter

Type

Description

operationId

String

Identifies the operation task.

createTime

String

Indicates the time when the operation task was created.

startTime

String

Indicates the time when the operation task was started.

stopTime

String

Indicates the time when the operation task was stopped.

operateType

String

Indicates the operation type.

  • firmware_upgrade
  • software_upgrade

targets

OperateDevices

Indicates the target devices on which the operation task is performed. For details, see OperateDevices structure.

policy

OperatePolicy

Indicates the execution policy of the operation task. For details, see OperatePolicy structure.

status

String

Indicates the status of the operation task.

  • wait: The operation task is waiting to be executed.
  • processing: The operation task is being executed.
  • failed: The operation task fails to be executed.
  • success: The operation task is successfully executed.
  • stop: The operation task stops being executed.

staResult

OperationStaResult

Indicates operation result statistics. For details, see OperationStaResult structure.

extendPara

JsonString

Indicates an extended parameter of the operation task. For details, see extendPara request parameter.

OperateDevices structure

Parameter

Type

Description

deviceGroups

List<String>

Indicates the device group name list. A maximum of 256 device groups are supported.

Either this parameter or devices must be specified.

deviceType

String

Indicates the device type.

This parameter must be specified when a device group is specified.

model

String

Indicates the device model.

This parameter must be specified when a device group is specified.

manufacturerName

String

Indicates the manufacturer name.

This parameter must be specified when a device group is specified.

devices

List<String>

Indicates the device ID list. A maximum of 256 devices are supported.

Either this parameter or deviceGroups must be specified.

OperatePolicy structure

Parameter

Type

Description

executeType

String

Indicates the execution type. The default value is now.

  • now: The operation task is executed now.
  • device_online: The operation task is executed when a device goes online.
  • custom: The execution type is customized.

startTime

String

Indicates the start time of the operation task. This parameter must be specified when executeType is set to custom. The value is in the format of yyyyMMdd'T'HHmmss'Z'. An example value is 20151212T121212Z.

endTime

String

Indicates the end time of the operation task. This parameter must be specified when executeType is set to custom. The value is in the format of yyyyMMdd'T'HHmmss'Z'. An example value is 20151212T121212Z.

retryType

Boolean

Indicates whether the platform retries the task upon an execution failure. The default value is false.

  • true: Retry is performed.
  • false: The platform does not retry the task.

retryTimes

Integer

Indicates the number of retries. The value ranges from 1 to 5. This parameter must be specified when retryType is set to true.

OperationStaResult structure

Parameter

Type

Description

total

Integer(64)

Indicates the number of operated devices.

wait

Integer(64)

Indicates the number of devices waiting to be operated.

processing

Integer(64)

Indicates the number of devices that are being operated.

success

Integer(64)

Indicates the number of devices that are operated successfully.

fail

Integer(64)

Indicates the number of devices that fail to be operated.

stop

Integer(64)

Indicates the number of devices that stop being operated.

timeout

Integer(64)

Indicates the number of devices that fail to be operated due to a timeout.

extendPara request parameter when operateType is set to softwareUpgrade or firmwareUpgrade

Parameter

Type

Description

fileVersion

String

Identifies the target version.

Error Code

HTTP Status Code

Error Code

Error Description

Remarks

400

120015

Bad request error.

A request error occurs.

Recommended handling: Check whether the format of fileId carried in the API request is correct.

403

1010009

app throttle exceed.

The NA calls the API at a frequency that exceeds the flow control threshold (100 calls per minute by default).

Recommended handling: Contact IoT platform maintenance personnel to adjust the flow control threshold or control the API call frequency.

403

1010005

App_key or access_token is invalid.

The access token is invalid.

Recommended handling: Check whether accessToken carried in the API request is correct.

404

123009

The requested task does not exist.

The queried task does not exist.

Recommended handling: Check whether operationId carried in the API request is correct.

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