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81 lines
2.7 KiB
Go
81 lines
2.7 KiB
Go
// Licensed to the LF AI & Data foundation 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, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package indexparamcheck
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import (
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"errors"
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"sync"
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)
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// ConfAdapterMgr manages the conf adapter.
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type ConfAdapterMgr interface {
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// GetAdapter gets the conf adapter by the index type.
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GetAdapter(indexType string) (ConfAdapter, error)
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}
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// ConfAdapterMgrImpl implements ConfAdapter.
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type ConfAdapterMgrImpl struct {
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adapters map[IndexType]ConfAdapter
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once sync.Once
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}
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// GetAdapter gets the conf adapter by the index type.
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func (mgr *ConfAdapterMgrImpl) GetAdapter(indexType string) (ConfAdapter, error) {
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mgr.once.Do(mgr.registerConfAdapter)
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adapter, ok := mgr.adapters[indexType]
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if ok {
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return adapter, nil
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}
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return nil, errors.New("Can not find conf adapter: " + indexType)
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}
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func (mgr *ConfAdapterMgrImpl) registerConfAdapter() {
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mgr.adapters[IndexFaissIDMap] = newBaseConfAdapter()
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mgr.adapters[IndexFaissIvfFlat] = newIVFConfAdapter()
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mgr.adapters[IndexFaissIvfPQ] = newIVFPQConfAdapter()
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mgr.adapters[IndexFaissIvfSQ8] = newIVFSQConfAdapter()
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mgr.adapters[IndexFaissIvfSQ8H] = newIVFSQConfAdapter()
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mgr.adapters[IndexFaissBinIDMap] = newBinIDMAPConfAdapter()
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mgr.adapters[IndexFaissBinIvfFlat] = newBinIVFConfAdapter()
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mgr.adapters[IndexNSG] = newNSGConfAdapter()
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mgr.adapters[IndexHNSW] = newHNSWConfAdapter()
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mgr.adapters[IndexANNOY] = newANNOYConfAdapter()
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mgr.adapters[IndexRHNSWFlat] = newRHNSWFlatConfAdapter()
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mgr.adapters[IndexRHNSWPQ] = newRHNSWPQConfAdapter()
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mgr.adapters[IndexRHNSWSQ] = newRHNSWSQConfAdapter()
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mgr.adapters[IndexNGTPANNG] = newNGTPANNGConfAdapter()
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mgr.adapters[IndexNGTONNG] = newNGTONNGConfAdapter()
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}
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func newConfAdapterMgrImpl() *ConfAdapterMgrImpl {
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return &ConfAdapterMgrImpl{
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adapters: make(map[IndexType]ConfAdapter),
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}
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}
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var confAdapterMgr ConfAdapterMgr
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var getConfAdapterMgrOnce sync.Once
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// GetConfAdapterMgrInstance gets the instance of ConfAdapterMgr.
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func GetConfAdapterMgrInstance() ConfAdapterMgr {
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getConfAdapterMgrOnce.Do(func() {
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confAdapterMgr = newConfAdapterMgrImpl()
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})
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return confAdapterMgr
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}
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