milvus/core/src/segment/SegmentWriter.h
yudong.cai 817ea8b9e1 #1548 add FSHandler
Signed-off-by: yudong.cai <yudong.cai@zilliz.com>
2020-03-12 11:40:12 +08:00

81 lines
1.9 KiB
C++

// Licensed to the Apache Software Foundation (ASF) under one
// or more contributor license agreements. See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership. The ASF licenses this file
// to you 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.
#pragma once
#include <memory>
#include <string>
#include <vector>
#include "segment/Types.h"
#include "storage/FSHandler.h"
#include "utils/Status.h"
namespace milvus {
namespace segment {
class SegmentWriter {
public:
explicit SegmentWriter(const std::string& directory);
Status
AddVectors(const std::string& name, const std::vector<uint8_t>& data, const std::vector<doc_id_t>& uids);
Status
WriteBloomFilter(const IdBloomFilterPtr& bloom_filter_ptr);
Status
WriteDeletedDocs(const DeletedDocsPtr& deleted_docs);
Status
Serialize();
Status
Cache();
Status
GetSegment(SegmentPtr& segment_ptr);
Status
Merge(const std::string& segment_dir_to_merge, const std::string& name);
size_t
Size();
size_t
VectorCount();
private:
Status
WriteVectors();
Status
WriteBloomFilter();
Status
WriteDeletedDocs();
private:
storage::FSHandlerPtr fs_ptr_;
SegmentPtr segment_ptr_;
};
using SegmentWriterPtr = std::shared_ptr<SegmentWriter>;
} // namespace segment
} // namespace milvus