SelectObjectRequest.h 2.1 KB

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  1. /*
  2. * Copyright 2009-2017 Alibaba Cloud All rights reserved.
  3. *
  4. * Licensed under the Apache License, Version 2.0 (the "License");
  5. * you may not use this file except in compliance with the License.
  6. * You may obtain a copy of the License at
  7. *
  8. * http://www.apache.org/licenses/LICENSE-2.0
  9. *
  10. * Unless required by applicable law or agreed to in writing, software
  11. * distributed under the License is distributed on an "AS IS" BASIS,
  12. * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13. * See the License for the specific language governing permissions and
  14. * limitations under the License.
  15. */
  16. #pragma once
  17. #include <alibabacloud/oss/OssRequest.h>
  18. #include <alibabacloud/oss/model/GetObjectRequest.h>
  19. #include <alibabacloud/oss/Types.h>
  20. #include <alibabacloud/oss/model/InputFormat.h>
  21. #include <alibabacloud/oss/model/OutputFormat.h>
  22. #include <alibabacloud/oss/model/CreateSelectObjectMetaRequest.h>
  23. namespace AlibabaCloud
  24. {
  25. namespace OSS
  26. {
  27. enum ExpressionType
  28. {
  29. SQL,
  30. };
  31. class OssClientImpl;
  32. class ALIBABACLOUD_OSS_EXPORT SelectObjectRequest : public GetObjectRequest
  33. {
  34. public:
  35. SelectObjectRequest(const std::string& bucket, const std::string& key);
  36. void setExpression(const std::string& expression, ExpressionType type = SQL);
  37. void setSkippedRecords(bool skipPartialDataRecord, uint64_t maxSkippedRecords);
  38. void setInputFormat(InputFormat& inputFormat);
  39. void setOutputFormat(OutputFormat& OutputFormat);
  40. uint64_t MaxSkippedRecordsAllowed() const;
  41. void setResponseStreamFactory(const IOStreamFactory& factory);
  42. protected:
  43. friend class OssClientImpl;
  44. virtual std::string payload() const;
  45. virtual int validate() const;
  46. virtual ParameterCollection specialParameters() const;
  47. int dispose() const;
  48. private:
  49. ExpressionType expressionType_;
  50. std::string expression_;
  51. bool skipPartialDataRecord_;
  52. uint64_t maxSkippedRecordsAllowed_;
  53. InputFormat *inputFormat_;
  54. OutputFormat *outputFormat_;
  55. mutable std::shared_ptr<std::streambuf> streamBuffer_;
  56. mutable std::shared_ptr<std::iostream> upperContent_;
  57. IOStreamFactory upperResponseStreamFactory_;
  58. };
  59. }
  60. }