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52 lines
1.6 KiB
C++
52 lines
1.6 KiB
C++
// Licensed to the Apache Software Foundation (ASF) under one
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// or more contributor license agreements. See the NOTICE file
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// distributed with this work for additional information
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// regarding copyright ownership. The ASF licenses this file
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// to you under the Apache License, Version 2.0 (the
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// "License"); you may not use this file except in compliance
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// with the License. You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing,
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// software distributed under the License is distributed on an
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// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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// KIND, either express or implied. See the License for the
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// specific language governing permissions and limitations
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// under the License.
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#pragma once
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#include <memory>
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#include <string>
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#include <vector>
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namespace milvus {
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namespace storage {
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class Operation {
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public:
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virtual void
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CreateDirectory() = 0;
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virtual const std::string&
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GetDirectory() const = 0;
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virtual void
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ListDirectory(std::vector<std::string>& file_paths) = 0;
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virtual bool
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DeleteFile(const std::string& file_path) = 0;
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// TODO(zhiru):
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// open(), sync(), close()
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// function that opens a stream for reading file
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// function that creates a new, empty file and returns an stream for appending data to this file
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// function that creates a new, empty, temporary file and returns an stream for appending data to this file
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};
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using OperationPtr = std::shared_ptr<Operation>;
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} // namespace storage
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} // namespace milvus
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