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Diffstat (limited to 'include/perfetto/trace_processor/iterator.h')
-rw-r--r-- | include/perfetto/trace_processor/iterator.h | 85 |
1 files changed, 0 insertions, 85 deletions
diff --git a/include/perfetto/trace_processor/iterator.h b/include/perfetto/trace_processor/iterator.h deleted file mode 100644 index c3373f3b7..000000000 --- a/include/perfetto/trace_processor/iterator.h +++ /dev/null @@ -1,85 +0,0 @@ -/* - * Copyright (C) 2020 The Android Open Source Project - * - * 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 - * - * http://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. - */ - -#ifndef INCLUDE_PERFETTO_TRACE_PROCESSOR_ITERATOR_H_ -#define INCLUDE_PERFETTO_TRACE_PROCESSOR_ITERATOR_H_ - -#include <stdint.h> - -#include <memory> - -#include "perfetto/base/export.h" -#include "perfetto/trace_processor/basic_types.h" -#include "perfetto/trace_processor/status.h" - -namespace perfetto { -namespace trace_processor { - -class IteratorImpl; - -// Iterator returning SQL rows satisfied by a query. -class PERFETTO_EXPORT Iterator { - public: - explicit Iterator(std::unique_ptr<IteratorImpl>); - ~Iterator(); - - Iterator(Iterator&) noexcept = delete; - Iterator& operator=(Iterator&) = delete; - - Iterator(Iterator&&) noexcept; - Iterator& operator=(Iterator&&); - - // Forwards the iterator to the next result row and returns a boolean of - // whether there is a next row. If this method returns false, - // |Status()| should be called to check if there was an error. If - // there was no error, this means the EOF was reached. - bool Next(); - - // Returns the value associated with the column |col|. Any call to - // |Get()| must be preceded by a call to |Next()| returning - // true. |col| must be less than the number returned by |ColumnCount()|. - SqlValue Get(uint32_t col); - - // Returns the name of the column at index |col|. Can be called even before - // calling |Next()|. - std::string GetColumnName(uint32_t col); - - // Returns the number of columns in this iterator's query. Can be called - // even before calling |Next()|. - uint32_t ColumnCount(); - - // Returns the status of the iterator. - util::Status Status(); - - private: - friend class QueryResultSerializer; - - // This is to allow QueryResultSerializer, which is very perf sensitive, to - // access direct the impl_ and avoid one extra function call for each cell. - template <typename T = IteratorImpl> - std::unique_ptr<T> take_impl() { - return std::move(iterator_); - } - - // A PIMPL pattern is used to avoid leaking the dependencies on sqlite3.h and - // other internal classes. - std::unique_ptr<IteratorImpl> iterator_; -}; - -} // namespace trace_processor -} // namespace perfetto - -#endif // INCLUDE_PERFETTO_TRACE_PROCESSOR_ITERATOR_H_ |