Contoh kode ini dapat digunakan untuk mencantumkan semua langganan yang terpasang ke Topik Pub/Sub.
Untuk melihat kumpulan lengkap contoh kode ABAP SDK untuk Google Cloud, lihat repositori GoogleCloudPlatform/google-cloud-abap/abap-sdk /ZPrestaShop_SDK_DOCS_EXAMPLES di GitHub.
Contoh kode
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* Copyright 2023 Google LLC *
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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. *
* You may obtain a copy of the License at *
* https://www.apache.org/licenses/LICENSE-2.0 *
* Unless required by applicable law or agreed to in writing, *
* software distributed under the License is distributed on an *
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, *
* either express or implied. *
* See the License for the specific language governing permissions *
* and limitations under the License. *
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REPORT zr_list_subscriptions1.
DATA:
lv_q_pagesize TYPE string,
" Token that can be used in the next call to API to get next page of subscriptions.
lv_q_pagetoken TYPE string,
lv_p_projects_id TYPE string,
lv_p_topics_id TYPE string,
lt_subscriptions TYPE /goog/cl_pubsub_v1=>ty_t_string.
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 the Topic whose subscriptions will be listed.
lv_p_topics_id = 'SAMPLE_TOPIC'.
" Max number of subscriptions to be retrieved in 1 API Call.
lv_q_pagesize = 50.
WHILE sy-index = 1 OR lv_q_pagetoken IS NOT INITIAL.
* Call API method
CALL METHOD lo_client->list_subscriptions1
EXPORTING
iv_q_pagesize = lv_q_pagesize
iv_q_pagetoken = lv_q_pagetoken
iv_p_projects_id = lv_p_projects_id
iv_p_topics_id = lv_p_topics_id
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 ) = abap_true.
LOOP AT ls_output-subscriptions ASSIGNING FIELD-SYMBOL(<ls_subscription>).
APPEND <ls_subscription> TO lt_subscriptions.
ENDLOOP.
ENDIF.
lv_q_pagetoken = ls_output-next_page_token.
ENDWHILE.
IF /goog/cl_http_client=>is_success( lv_ret_code ).
MESSAGE 'Subscriptions attached to Topic were received!' 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.