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。
# 使用 SDK for SAP ABAP 的應用程式復原控制器範例
下列程式碼範例示範如何使用適用於 SAP ABAP 的 AWS SDK 搭配應用程式復原控制器來執行動作和實作常見案例。
*Actions* 是大型程式的程式碼摘錄，必須在內容中執行。雖然動作會告訴您如何呼叫個別服務函數，但您可以在其相關情境中查看內容中的動作。
每個範例均包含完整原始碼的連結，您可在連結中找到如何設定和執行內容中程式碼的相關指示。
**Topics**
+ [動作](#actions)
## 動作
### `GetRoutingControlState`
以下程式碼範例顯示如何使用 `GetRoutingControlState`。
**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/r5v#code-examples)中設定和執行。
```
CONSTANTS cv_pfl TYPE /aws1/rt_profile_id VALUE 'ZCODE_DEMO'.
DATA lo_exception TYPE REF TO /aws1/cx_rt_generic.
DATA lo_session TYPE REF TO /aws1/cl_rt_session_base.
DATA lo_client TYPE REF TO /aws1/if_r5v.
DATA lt_endpoints TYPE TABLE OF string.
DATA lv_endpoint TYPE string.
DATA lv_region TYPE /aws1/rt_region_id.
" Parse the comma-separated cluster endpoints
" Expected format: "https://endpoint1.com|us-west-2,https://endpoint2.com|us-east-1"
SPLIT iv_cluster_endpoints AT ',' INTO TABLE lt_endpoints.
" As a best practice, shuffle cluster endpoints to distribute load
" For more information, see https://docs.aws.amazon.com/r53recovery/latest/dg/route53-arc-best-practices.html#route53-arc-best-practices.regional
" For simplicity, we'll try them in order (shuffling can be added if needed)
" Try each endpoint in order
LOOP AT lt_endpoints INTO lv_endpoint.
TRY.
" Parse endpoint and region from the format "url|region"
DATA(lv_pos) = find( val = lv_endpoint sub = '|' ).
IF lv_pos > 0.
DATA(lv_url) = substring( val = lv_endpoint len = lv_pos ).
lv_region = substring( val = lv_endpoint off = lv_pos + 1 ).
ELSE.
" If no region specified, use default
lv_url = lv_endpoint.
lv_region = 'us-east-1'.
ENDIF.
" Create session for this region
lo_session = /aws1/cl_rt_session_aws=>create( cv_pfl ).
" Create client with the specific endpoint
lo_client = create_recovery_client(
iv_endpoint = lv_url
iv_region = lv_region
io_session = lo_session ).
" Try to get the routing control state
oo_result = lo_client->getroutingcontrolstate(
iv_routingcontrolarn = iv_routing_control_arn ).
" If successful, return the result
RETURN.
CATCH /aws1/cx_r5vendpttmpyunavailex INTO DATA(lo_endpoint_ex).
" This endpoint is temporarily unavailable, try the next one
lo_exception = lo_endpoint_ex.
CONTINUE.
CATCH /aws1/cx_r5vaccessdeniedex
/aws1/cx_r5vinternalserverex
/aws1/cx_r5vresourcenotfoundex
/aws1/cx_r5vthrottlingex
/aws1/cx_r5vvalidationex
/aws1/cx_rt_generic INTO lo_exception.
" For other errors, re-raise immediately
RAISE EXCEPTION lo_exception.
ENDTRY.
ENDLOOP.
" If we get here, all endpoints failed - re-raise the last exception
IF lo_exception IS BOUND.
RAISE EXCEPTION lo_exception.
ENDIF.
```
+ 如需 API 詳細資訊，請參閱《適用於 *AWS SAP ABAP 的 SDK API 參考*》中的 [GetRoutingControlState](https://docs.aws.amazon.com/sdk-for-sap-abap/v1/api/latest/index.html)。
### `UpdateRoutingControlState`
以下程式碼範例顯示如何使用 `UpdateRoutingControlState`。
**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/r5v#code-examples)中設定和執行。
```
CONSTANTS cv_pfl TYPE /aws1/rt_profile_id VALUE 'ZCODE_DEMO'.
DATA lo_exception TYPE REF TO /aws1/cx_rt_generic.
DATA lo_session TYPE REF TO /aws1/cl_rt_session_base.
DATA lo_client TYPE REF TO /aws1/if_r5v.
DATA lt_endpoints TYPE TABLE OF string.
DATA lv_endpoint TYPE string.
DATA lv_region TYPE /aws1/rt_region_id.
" Parse the comma-separated cluster endpoints
" Expected format: "https://endpoint1.com|us-west-2,https://endpoint2.com|us-east-1"
SPLIT iv_cluster_endpoints AT ',' INTO TABLE lt_endpoints.
" As a best practice, shuffle cluster endpoints to distribute load
" For more information, see https://docs.aws.amazon.com/r53recovery/latest/dg/route53-arc-best-practices.html#route53-arc-best-practices.regional
" For simplicity, we'll try them in order (shuffling can be added if needed)
" Try each endpoint in order
LOOP AT lt_endpoints INTO lv_endpoint.
TRY.
" Parse endpoint and region from the format "url|region"
DATA(lv_pos) = find( val = lv_endpoint sub = '|' ).
IF lv_pos > 0.
DATA(lv_url) = substring( val = lv_endpoint len = lv_pos ).
lv_region = substring( val = lv_endpoint off = lv_pos + 1 ).
ELSE.
" If no region specified, use default
lv_url = lv_endpoint.
lv_region = 'us-east-1'.
ENDIF.
" Create session for this region
lo_session = /aws1/cl_rt_session_aws=>create( cv_pfl ).
" Create client with the specific endpoint
lo_client = create_recovery_client(
iv_endpoint = lv_url
iv_region = lv_region
io_session = lo_session ).
" Try to update the routing control state
oo_result = lo_client->updateroutingcontrolstate(
iv_routingcontrolarn = iv_routing_control_arn
iv_routingcontrolstate = iv_routing_control_state
it_safetyrulestooverride = it_safety_rules_override ).
" If successful, return the result
RETURN.
CATCH /aws1/cx_r5vendpttmpyunavailex INTO DATA(lo_endpoint_ex).
" This endpoint is temporarily unavailable, try the next one
lo_exception = lo_endpoint_ex.
CONTINUE.
CATCH /aws1/cx_r5vaccessdeniedex
/aws1/cx_r5vconflictexception
/aws1/cx_r5vinternalserverex
/aws1/cx_r5vresourcenotfoundex
/aws1/cx_r5vthrottlingex
/aws1/cx_r5vvalidationex
/aws1/cx_rt_generic INTO lo_exception.
" For other errors, re-raise immediately
RAISE EXCEPTION lo_exception.
ENDTRY.
ENDLOOP.
" If we get here, all endpoints failed - re-raise the last exception
IF lo_exception IS BOUND.
RAISE EXCEPTION lo_exception.
ENDIF.
```
+ 如需 API 詳細資訊，請參閱《適用於 *AWS SAP ABAP 的 SDK API 參考*》中的 [UpdateRoutingControlState](https://docs.aws.amazon.com/sdk-for-sap-abap/v1/api/latest/index.html)。