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76 lines
2.4 KiB
Go
76 lines
2.4 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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"sync"
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"github.com/cockroachdb/errors"
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)
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type IndexCheckerMgr interface {
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GetChecker(indexType string) (IndexChecker, error)
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}
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// indexCheckerMgrImpl implements IndexChecker.
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type indexCheckerMgrImpl struct {
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checkers map[IndexType]IndexChecker
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once sync.Once
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}
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func (mgr *indexCheckerMgrImpl) GetChecker(indexType string) (IndexChecker, error) {
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mgr.once.Do(mgr.registerIndexChecker)
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adapter, ok := mgr.checkers[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 *indexCheckerMgrImpl) registerIndexChecker() {
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mgr.checkers[IndexRaftIvfFlat] = newIVFBaseChecker()
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mgr.checkers[IndexRaftIvfPQ] = newRaftIVFPQChecker()
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mgr.checkers[IndexFaissIDMap] = newFlatChecker()
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mgr.checkers[IndexFaissIvfFlat] = newIVFBaseChecker()
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mgr.checkers[IndexFaissIvfPQ] = newIVFPQChecker()
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mgr.checkers[IndexScaNN] = newScaNNChecker()
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mgr.checkers[IndexFaissIvfSQ8] = newIVFSQChecker()
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mgr.checkers[IndexFaissBinIDMap] = newBinFlatChecker()
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mgr.checkers[IndexFaissBinIvfFlat] = newBinIVFFlatChecker()
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mgr.checkers[IndexHNSW] = newHnswChecker()
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mgr.checkers[IndexDISKANN] = newDiskannChecker()
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}
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func newIndexCheckerMgr() *indexCheckerMgrImpl {
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return &indexCheckerMgrImpl{
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checkers: make(map[IndexType]IndexChecker),
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}
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}
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var indexCheckerMgr IndexCheckerMgr
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var getIndexCheckerMgrOnce sync.Once
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// GetIndexCheckerMgrInstance gets the instance of IndexCheckerMgr.
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func GetIndexCheckerMgrInstance() IndexCheckerMgr {
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getIndexCheckerMgrOnce.Do(func() {
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indexCheckerMgr = newIndexCheckerMgr()
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})
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return indexCheckerMgr
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}
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