此代码示例可用于在 Pub/Sub 中创建主题。
如需查看 ABAP SDK for Google Cloud 代码示例的全面集合，请参阅 GitHub 上的 GoogleCloudPlatform/google-cloud-abap/abap-sdk/ZGOOG_SDK_DOCS_SAMPLES 代码库。
代码示例
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* Licensed under the Apache License, Version 2.0 (the "License"); *
* you may not use this file except in compliance with the License. *
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* https://www.apache.org/licenses/LICENSE-2.0 *
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REPORT zr_create_topics.
DATA:
lv_p_projects_id TYPE string,
lv_p_topics_id TYPE string,
ls_input TYPE /goog/cl_pubsub_v1=>ty_041.
TRY.
* Open HTTP Connection
DATA(lo_client) = NEW /goog/cl_pubsub_v1( iv_key_name = 'CLIENT_KEY' ).
* Populate relevant parameters
" Derive project id from the client object
lv_p_projects_id = lo_client->gv_project_id.
" Name of Topic that will get created.
lv_p_topics_id = 'SAMPLE_TOPIC'.
" Topic Related Attributes can be provided in LS_INPUT.
ls_input-message_retention_duration = '86400s'.
* Call API method
CALL METHOD lo_client->create_topics
EXPORTING
iv_p_projects_id = lv_p_projects_id
iv_p_topics_id = lv_p_topics_id
is_input = ls_input
IMPORTING
* ES_RAW =
es_output = DATA(ls_output)
ev_ret_code = DATA(lv_ret_code)
ev_err_text = DATA(lv_err_text)
es_err_resp = DATA(ls_err_resp).
IF /goog/cl_http_client=>is_success( lv_ret_code ).
MESSAGE 'Topic created successfully!' TYPE 'S'.
ELSE.
MESSAGE lv_err_text TYPE 'E'.
ENDIF.
* Close HTTP Connection
lo_client->close( ).
CATCH /goog/cx_sdk INTO DATA(lo_exception).
MESSAGE lo_exception->get_text( ) TYPE 'E'.
ENDTRY.