使用 SDK for SAP ABAP 的 Kinesis 示例 - Amazon 适用于 SAP 的 SDK ABA
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使用 SDK for SAP ABAP 的 Kinesis 示例

以下代码示例向您展示了如何使用适用于 SAP ABAP 的软件开发工具包和 Amazon Kinesis 来执行操作和实现常见场景。

操作是大型程序的代码摘录,必须在上下文中运行。您可以通过操作了解如何调用单个服务函数,还可以通过函数相关场景和跨服务示例的上下文查看操作。

场景 是展示如何通过在同一服务中调用多个函数来完成特定任务的代码示例。

每个示例都包含一个指向的链接 GitHub,您可以在其中找到有关如何在上下文中设置和运行代码的说明。

操作

以下代码示例演示了如何使用 CreateStream

SDK for SAP ABAP
注意

还有更多相关信息 GitHub。在 Amazon 代码示例存储库中查找完整示例,了解如何进行设置和运行。

TRY. lo_kns->createstream( iv_streamname = iv_stream_name iv_shardcount = iv_shard_count ). MESSAGE 'Stream created.' TYPE 'I'. CATCH /aws1/cx_knsinvalidargumentex. MESSAGE 'The specified argument was not valid.' TYPE 'E'. CATCH /aws1/cx_knslimitexceededex . MESSAGE 'The request processing has failed because of a limit exceed exception.' TYPE 'E'. CATCH /aws1/cx_knsresourceinuseex . MESSAGE 'The request processing has failed because the resource is in use.' TYPE 'E'. ENDTRY.
  • 有关 API 的详细信息,请参阅适用CreateStream于 S AP 的Amazon SDK ABAP API 参考

以下代码示例演示了如何使用 DeleteStream

SDK for SAP ABAP
注意

还有更多相关信息 GitHub。在 Amazon 代码示例存储库中查找完整示例,了解如何进行设置和运行。

TRY. lo_kns->deletestream( iv_streamname = iv_stream_name ). MESSAGE 'Stream deleted.' TYPE 'I'. CATCH /aws1/cx_knslimitexceededex . MESSAGE 'The request processing has failed because of a limit exceed exception.' TYPE 'E'. CATCH /aws1/cx_knsresourceinuseex . MESSAGE 'The request processing has failed because the resource is in use.' TYPE 'E'. ENDTRY.
  • 有关 API 的详细信息,请参阅适用DeleteStream于 S AP 的Amazon SDK ABAP API 参考

以下代码示例演示了如何使用 DescribeStream

SDK for SAP ABAP
注意

还有更多相关信息 GitHub。在 Amazon 代码示例存储库中查找完整示例,了解如何进行设置和运行。

TRY. oo_result = lo_kns->describestream( iv_streamname = iv_stream_name ). DATA(lt_stream_description) = oo_result->get_streamdescription( ). MESSAGE 'Streams retrieved.' TYPE 'I'. CATCH /aws1/cx_knslimitexceededex . MESSAGE 'The request processing has failed because of a limit exceed exception.' TYPE 'E'. CATCH /aws1/cx_knsresourcenotfoundex . MESSAGE 'Resource being accessed is not found.' TYPE 'E'. ENDTRY.
  • 有关 API 的详细信息,请参阅适用DescribeStream于 S AP 的Amazon SDK ABAP API 参考

以下代码示例演示了如何使用 GetRecords

SDK for SAP ABAP
注意

还有更多相关信息 GitHub。在 Amazon 代码示例存储库中查找完整示例,了解如何进行设置和运行。

TRY. oo_result = lo_kns->getrecords( " oo_result is returned for testing purposes. " iv_sharditerator = iv_shard_iterator ). DATA(lt_records) = oo_result->get_records( ). MESSAGE 'Record retrieved.' TYPE 'I'. CATCH /aws1/cx_knsexpirediteratorex . MESSAGE 'Iterator expired.' TYPE 'E'. CATCH /aws1/cx_knsinvalidargumentex . MESSAGE 'The specified argument was not valid.' TYPE 'E'. CATCH /aws1/cx_knskmsaccessdeniedex . MESSAGE 'You do not have permission to perform this AWS KMS action.' TYPE 'E'. CATCH /aws1/cx_knskmsdisabledex . MESSAGE 'KMS key used is disabled.' TYPE 'E'. CATCH /aws1/cx_knskmsinvalidstateex . MESSAGE 'KMS key used is in an invalid state. ' TYPE 'E'. CATCH /aws1/cx_knskmsnotfoundex . MESSAGE 'KMS key used is not found.' TYPE 'E'. CATCH /aws1/cx_knskmsoptinrequired . MESSAGE 'KMS key option is required.' TYPE 'E'. CATCH /aws1/cx_knskmsthrottlingex . MESSAGE 'The rate of requests to AWS KMS is exceeding the request quotas.' TYPE 'E'. CATCH /aws1/cx_knsprovthruputexcdex . MESSAGE 'The request rate for the stream is too high, or the requested data is too large for the available throughput.' TYPE 'E'. CATCH /aws1/cx_knsresourcenotfoundex . MESSAGE 'Resource being accessed is not found.' TYPE 'E'. ENDTRY.
  • 有关 API 的详细信息,请参阅适用GetRecords于 S AP 的Amazon SDK ABAP API 参考

以下代码示例演示了如何使用 ListStreams

SDK for SAP ABAP
注意

还有更多相关信息 GitHub。在 Amazon 代码示例存储库中查找完整示例,了解如何进行设置和运行。

TRY. oo_result = lo_kns->liststreams( " oo_result is returned for testing purposes. " "Set Limit to specify that a maximum of streams should be returned." iv_limit = iv_limit ). DATA(lt_streams) = oo_result->get_streamnames( ). MESSAGE 'Streams listed.' TYPE 'I'. CATCH /aws1/cx_knslimitexceededex . MESSAGE 'The request processing has failed because of a limit exceed exception.' TYPE 'E'. ENDTRY.
  • 有关 API 的详细信息,请参阅适用ListStreams于 S AP 的Amazon SDK ABAP API 参考

以下代码示例演示了如何使用 PutRecord

SDK for SAP ABAP
注意

还有更多相关信息 GitHub。在 Amazon 代码示例存储库中查找完整示例,了解如何进行设置和运行。

TRY. oo_result = lo_kns->putrecord( " oo_result is returned for testing purposes. " iv_streamname = iv_stream_name iv_data = iv_data iv_partitionkey = iv_partition_key ). MESSAGE 'Record created.' TYPE 'I'. CATCH /aws1/cx_knsinvalidargumentex . MESSAGE 'The specified argument was not valid.' TYPE 'E'. CATCH /aws1/cx_knskmsaccessdeniedex . MESSAGE 'You do not have permission to perform this AWS KMS action.' TYPE 'E'. CATCH /aws1/cx_knskmsdisabledex . MESSAGE 'KMS key used is disabled.' TYPE 'E'. CATCH /aws1/cx_knskmsinvalidstateex . MESSAGE 'KMS key used is in an invalid state. ' TYPE 'E'. CATCH /aws1/cx_knskmsnotfoundex . MESSAGE 'KMS key used is not found.' TYPE 'E'. CATCH /aws1/cx_knskmsoptinrequired . MESSAGE 'KMS key option is required.' TYPE 'E'. CATCH /aws1/cx_knskmsthrottlingex . MESSAGE 'The rate of requests to AWS KMS is exceeding the request quotas.' TYPE 'E'. CATCH /aws1/cx_knsprovthruputexcdex . MESSAGE 'The request rate for the stream is too high, or the requested data is too large for the available throughput.' TYPE 'E'. CATCH /aws1/cx_knsresourcenotfoundex . MESSAGE 'Resource being accessed is not found.' TYPE 'E'. ENDTRY.
  • 有关 API 的详细信息,请参阅适用PutRecord于 S AP 的Amazon SDK ABAP API 参考

以下代码示例演示了如何使用 RegisterStreamConsumer

SDK for SAP ABAP
注意

还有更多相关信息 GitHub。在 Amazon 代码示例存储库中查找完整示例,了解如何进行设置和运行。

TRY. oo_result = lo_kns->registerstreamconsumer( " oo_result is returned for testing purposes. " iv_streamarn = iv_stream_arn iv_consumername = iv_consumer_name ). MESSAGE 'Stream consumer registered.' TYPE 'I'. CATCH /aws1/cx_knsinvalidargumentex . MESSAGE 'The specified argument was not valid.' TYPE 'E'. CATCH /aws1/cx_sgmresourcelimitexcd. MESSAGE 'You have reached the limit on the number of resources.' TYPE 'E'. CATCH /aws1/cx_sgmresourceinuse. MESSAGE 'Resource being accessed is in use.' TYPE 'E'. CATCH /aws1/cx_sgmresourcenotfound. MESSAGE 'Resource being accessed is not found.' TYPE 'E'. ENDTRY.

场景

以下代码示例显示了操作流程:

  • 创建流并在其中放置一条记录。

  • 创建分片迭代器。

  • 读取记录,然后清理函数。

SDK for SAP ABAP
注意

还有更多相关信息 GitHub。在 Amazon 代码示例存储库中查找完整示例,了解如何进行设置和运行。

DATA lo_stream_describe_result TYPE REF TO /aws1/cl_knsdescrstreamoutput. DATA lo_stream_description TYPE REF TO /aws1/cl_knsstreamdescription. DATA lo_sharditerator TYPE REF TO /aws1/cl_knsgetsharditerator01. DATA lo_record_result TYPE REF TO /aws1/cl_knsputrecordoutput. "Create stream." TRY. lo_kns->createstream( iv_streamname = iv_stream_name iv_shardcount = iv_shard_count ). MESSAGE 'Stream created.' TYPE 'I'. CATCH /aws1/cx_knsinvalidargumentex. MESSAGE 'The specified argument was not valid.' TYPE 'E'. CATCH /aws1/cx_knslimitexceededex . MESSAGE 'The request processing has failed because of a limit exceeded exception.' TYPE 'E'. CATCH /aws1/cx_knsresourceinuseex . MESSAGE 'The request processing has failed because the resource is in use.' TYPE 'E'. ENDTRY. "Wait for stream to becomes active." lo_stream_describe_result = lo_kns->describestream( iv_streamname = iv_stream_name ). lo_stream_description = lo_stream_describe_result->get_streamdescription( ). WHILE lo_stream_description->get_streamstatus( ) <> 'ACTIVE'. IF sy-index = 30. EXIT. "maximum 5 minutes" ENDIF. WAIT UP TO 10 SECONDS. lo_stream_describe_result = lo_kns->describestream( iv_streamname = iv_stream_name ). lo_stream_description = lo_stream_describe_result->get_streamdescription( ). ENDWHILE. "Create record." TRY. lo_record_result = lo_kns->putrecord( iv_streamname = iv_stream_name iv_data = iv_data iv_partitionkey = iv_partition_key ). MESSAGE 'Record created.' TYPE 'I'. CATCH /aws1/cx_knsinvalidargumentex . MESSAGE 'The specified argument was not valid.' TYPE 'E'. CATCH /aws1/cx_knskmsaccessdeniedex . MESSAGE 'You do not have permission to perform this AWS KMS action.' TYPE 'E'. CATCH /aws1/cx_knskmsdisabledex . MESSAGE 'KMS key used is disabled.' TYPE 'E'. CATCH /aws1/cx_knskmsinvalidstateex . MESSAGE 'KMS key used is in an invalid state. ' TYPE 'E'. CATCH /aws1/cx_knskmsnotfoundex . MESSAGE 'KMS key used is not found.' TYPE 'E'. CATCH /aws1/cx_knskmsoptinrequired . MESSAGE 'KMS key option is required.' TYPE 'E'. CATCH /aws1/cx_knskmsthrottlingex . MESSAGE 'The rate of requests to AWS KMS is exceeding the request quotas.' TYPE 'E'. CATCH /aws1/cx_knsprovthruputexcdex . MESSAGE 'The request rate for the stream is too high, or the requested data is too large for the available throughput.' TYPE 'E'. CATCH /aws1/cx_knsresourcenotfoundex . MESSAGE 'Resource being accessed is not found.' TYPE 'E'. ENDTRY. "Create a shard iterator in order to read the record." TRY. lo_sharditerator = lo_kns->getsharditerator( iv_shardid = lo_record_result->get_shardid( ) iv_sharditeratortype = iv_sharditeratortype iv_streamname = iv_stream_name ). MESSAGE 'Shard iterator created.' TYPE 'I'. CATCH /aws1/cx_knsinvalidargumentex. MESSAGE 'The specified argument was not valid.' TYPE 'E'. CATCH /aws1/cx_knsprovthruputexcdex . MESSAGE 'The request rate for the stream is too high, or the requested data is too large for the available throughput.' TYPE 'E'. CATCH /aws1/cx_sgmresourcenotfound. MESSAGE 'Resource being accessed is not found.' TYPE 'E'. ENDTRY. "Read the record." TRY. oo_result = lo_kns->getrecords( " oo_result is returned for testing purposes. " iv_sharditerator = lo_sharditerator->get_sharditerator( ) ). MESSAGE 'Shard iterator created.' TYPE 'I'. CATCH /aws1/cx_knsexpirediteratorex . MESSAGE 'Iterator expired.' TYPE 'E'. CATCH /aws1/cx_knsinvalidargumentex . MESSAGE 'The specified argument was not valid.' TYPE 'E'. CATCH /aws1/cx_knskmsaccessdeniedex . MESSAGE 'You do not have permission to perform this AWS KMS action.' TYPE 'E'. CATCH /aws1/cx_knskmsdisabledex . MESSAGE 'KMS key used is disabled.' TYPE 'E'. CATCH /aws1/cx_knskmsinvalidstateex . MESSAGE 'KMS key used is in an invalid state. ' TYPE 'E'. CATCH /aws1/cx_knskmsnotfoundex . MESSAGE 'KMS key used is not found.' TYPE 'E'. CATCH /aws1/cx_knskmsoptinrequired . MESSAGE 'KMS key option is required.' TYPE 'E'. CATCH /aws1/cx_knskmsthrottlingex . MESSAGE 'The rate of requests to AWS KMS is exceeding the request quotas.' TYPE 'E'. CATCH /aws1/cx_knsprovthruputexcdex . MESSAGE 'The request rate for the stream is too high, or the requested data is too large for the available throughput.' TYPE 'E'. CATCH /aws1/cx_knsresourcenotfoundex . MESSAGE 'Resource being accessed is not found.' TYPE 'E'. ENDTRY. "Delete stream." TRY. lo_kns->deletestream( iv_streamname = iv_stream_name ). MESSAGE 'Stream deleted.' TYPE 'I'. CATCH /aws1/cx_knslimitexceededex . MESSAGE 'The request processing has failed because of a limit exceeded exception.' TYPE 'E'. CATCH /aws1/cx_knsresourceinuseex . MESSAGE 'The request processing has failed because the resource is in use.' TYPE 'E'. ENDTRY.