milvus/cpp/src/db/engine/ExecutionEngineImpl.h
starlord a0e4d19e4f format db code
Former-commit-id: 3b4781e4c000beea41baddf54635d7bbe7ea5f52
2019-09-27 14:13:33 +08:00

113 lines
3.0 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 "ExecutionEngine.h"
#include "src/wrapper/VecIndex.h"
#include <memory>
#include <string>
namespace zilliz {
namespace milvus {
namespace engine {
class ExecutionEngineImpl : public ExecutionEngine {
public:
ExecutionEngineImpl(uint16_t dimension,
const std::string &location,
EngineType index_type,
MetricType metric_type,
int32_t nlist);
ExecutionEngineImpl(VecIndexPtr index,
const std::string &location,
EngineType index_type,
MetricType metric_type,
int32_t nlist);
Status AddWithIds(int64_t n, const float *xdata, const int64_t *xids) override;
size_t Count() const override;
size_t Size() const override;
size_t Dimension() const override;
size_t PhysicalSize() const override;
Status Serialize() override;
Status Load(bool to_cache) override;
Status CopyToGpu(uint64_t device_id) override;
Status CopyToCpu() override;
ExecutionEnginePtr Clone() override;
Status Merge(const std::string &location) override;
Status Search(int64_t n,
const float *data,
int64_t k,
int64_t nprobe,
float *distances,
int64_t *labels) const override;
ExecutionEnginePtr BuildIndex(const std::string &location, EngineType engine_type) override;
Status Cache() override;
Status GpuCache(uint64_t gpu_id) override;
Status Init() override;
EngineType IndexEngineType() const override {
return index_type_;
}
MetricType IndexMetricType() const override {
return metric_type_;
}
std::string GetLocation() const override {
return location_;
}
private:
VecIndexPtr CreatetVecIndex(EngineType type);
VecIndexPtr Load(const std::string &location);
protected:
VecIndexPtr index_ = nullptr;
EngineType index_type_;
MetricType metric_type_;
int64_t dim_;
std::string location_;
int32_t nlist_ = 0;
int32_t gpu_num_ = 0;
};
} // namespace engine
} // namespace milvus
} // namespace zilliz