文件 AWS 開發套件範例 GitHub 儲存庫中有更多可用的 [AWS SDK 範例](https://github.com/awsdocs/aws-doc-sdk-examples)。
本文為英文版的機器翻譯版本，如內容有任何歧義或不一致之處，概以英文版為準。
# `GetActivityTask` 搭配 AWS SDK 使用
下列程式碼範例示範如何使用 `GetActivityTask`。
動作範例是大型程式的程式碼摘錄，必須在內容中執行。您可以在下列程式碼範例的內容中看到此動作：
+ [了解基本概念](sfn_example_sfn_Scenario_GetStartedStateMachines_section.md)
------
#### [ .NET ]
**適用於 .NET 的 SDK**
GitHub 上提供更多範例。尋找完整範例，並了解如何在 [AWS 程式碼範例儲存庫](https://github.com/awsdocs/aws-doc-sdk-examples/tree/main/dotnetv3/StepFunctions#code-examples)中設定和執行。
```
///
/// Retrieve a task with the specified Step Functions activity
/// with the specified Amazon Resource Name (ARN).
///
/// The Amazon Resource Name (ARN) of
/// the Step Functions activity.
/// The name of the Step Functions worker.
/// The response from the Step Functions activity.
public async Task GetActivityTaskAsync(string activityArn, string workerName)
{
var response = await _amazonStepFunctions.GetActivityTaskAsync(new GetActivityTaskRequest
{ ActivityArn = activityArn, WorkerName = workerName });
return response;
}
```
+ 如需 API 詳細資訊，請參閱《適用於 .NET 的 AWS SDK API 參考》**中的 [GetActivityTask](https://docs.aws.amazon.com/goto/DotNetSDKV3/states-2016-11-23/GetActivityTask)。
------
#### [ Java ]
**SDK for Java 2.x**
GitHub 上提供更多範例。尋找完整範例，並了解如何在 [AWS 程式碼範例儲存庫](https://github.com/awsdocs/aws-doc-sdk-examples/tree/main/javav2/example_code/stepfunctions#code-examples)中設定和執行。
```
public static List getActivityTask(SfnClient sfnClient, String actArn) {
List myList = new ArrayList<>();
GetActivityTaskRequest getActivityTaskRequest = GetActivityTaskRequest.builder()
.activityArn(actArn)
.build();
GetActivityTaskResponse response = sfnClient.getActivityTask(getActivityTaskRequest);
myList.add(response.taskToken());
myList.add(response.input());
return myList;
}
```
+ 如需 API 詳細資訊，請參閱《AWS SDK for Java 2.x API 參考》**中的 [GetActivityTask](https://docs.aws.amazon.com/goto/SdkForJavaV2/states-2016-11-23/GetActivityTask)。
------
#### [ Kotlin ]
**適用於 Kotlin 的 SDK**
GitHub 上提供更多範例。尋找完整範例，並了解如何在 [AWS 程式碼範例儲存庫](https://github.com/awsdocs/aws-doc-sdk-examples/tree/main/kotlin/services/stepfunctions#code-examples)中設定和執行。
```
suspend fun getActivityTask(actArn: String?): List {
val myList: MutableList = ArrayList()
val getActivityTaskRequest =
GetActivityTaskRequest {
activityArn = actArn
}
SfnClient.fromEnvironment { region = "us-east-1" }.use { sfnClient ->
val response = sfnClient.getActivityTask(getActivityTaskRequest)
myList.add(response.taskToken.toString())
myList.add(response.input.toString())
return myList
}
}
```
+ 如需 API 詳細資訊，請參閱《適用於 Kotlin 的AWS SDK API 參考》**中的 [GetActivityTask](https://sdk.amazonaws.com/kotlin/api/latest/index.html)。
------
#### [ Python ]
**適用於 Python 的 SDK (Boto3)**
GitHub 上提供更多範例。尋找完整範例，並了解如何在 [AWS 程式碼範例儲存庫](https://github.com/awsdocs/aws-doc-sdk-examples/tree/main/python/example_code/stepfunctions#code-examples)中設定和執行。
```
class Activity:
"""Encapsulates Step Function activity actions."""
def __init__(self, stepfunctions_client):
"""
:param stepfunctions_client: A Boto3 Step Functions client.
"""
self.stepfunctions_client = stepfunctions_client
def get_task(self, activity_arn):
"""
Gets task data for an activity. When a state machine is waiting for the
specified activity, a response is returned with data from the state machine.
When a state machine is not waiting, this call blocks for 60 seconds.
:param activity_arn: The ARN of the activity to get task data for.
:return: The task data for the activity.
"""
try:
response = self.stepfunctions_client.get_activity_task(
activityArn=activity_arn
)
except ClientError as err:
logger.error(
"Couldn't get a task for activity %s. Here's why: %s: %s",
activity_arn,
err.response["Error"]["Code"],
err.response["Error"]["Message"],
)
raise
else:
return response
```
+ 如需 API 詳細資訊，請參閱《AWS SDK for Python (Boto3) API 參考》**中的 [GetActivityTask](https://docs.aws.amazon.com/goto/boto3/states-2016-11-23/GetActivityTask)。
------
#### [ SAP ABAP ]
**適用於 SAP ABAP 的開發套件**
GitHub 上提供更多範例。尋找完整範例，並了解如何在 [AWS 程式碼範例儲存庫](https://github.com/awsdocs/aws-doc-sdk-examples/tree/main/sap-abap/services/sfn#code-examples)中設定和執行。
```
TRY.
oo_result = lo_sfn->getactivitytask(
iv_activityarn = iv_activity_arn
).
MESSAGE 'Activity task retrieved successfully.' TYPE 'I'.
CATCH /aws1/cx_sfnactivitydoesnotex.
MESSAGE 'Activity does not exist.' TYPE 'E'.
CATCH /aws1/cx_sfninvalidarn.
MESSAGE 'Invalid activity ARN.' TYPE 'E'.
CATCH /aws1/cx_sfnactivityworkerlm00.
MESSAGE 'Activity worker limit exceeded.' TYPE 'E'.
ENDTRY.
```
+ 如需 API 詳細資訊，請參閱《適用於 *AWS SAP ABAP 的 SDK API 參考*》中的 [GetActivityTask](https://docs.aws.amazon.com/sdk-for-sap-abap/v1/api/latest/index.html)。
------