86 lines
2.6 KiB
Go
86 lines
2.6 KiB
Go
// Copyright (c) 2024 Couchbase, Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// 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 registry
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import (
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"fmt"
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"github.com/blevesearch/bleve/v2/analysis"
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)
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func RegisterSynonymSource(typ string, constructor SynonymSourceConstructor) error {
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_, exists := synonymSources[typ]
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if exists {
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return fmt.Errorf("attempted to register duplicate synonym source with type '%s'", typ)
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}
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synonymSources[typ] = constructor
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return nil
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}
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type SynonymSourceCache struct {
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*ConcurrentCache
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}
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func NewSynonymSourceCache() *SynonymSourceCache {
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return &SynonymSourceCache{
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NewConcurrentCache(),
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}
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}
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type SynonymSourceConstructor func(config map[string]interface{}, cache *Cache) (analysis.SynonymSource, error)
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type SynonymSourceRegistry map[string]SynonymSourceConstructor
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func SynonymSourceBuild(name string, config map[string]interface{}, cache *Cache) (interface{}, error) {
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cons, registered := synonymSources[name]
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if !registered {
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return nil, fmt.Errorf("no synonym source with name '%s' registered", name)
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}
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synonymSource, err := cons(config, cache)
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if err != nil {
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return nil, fmt.Errorf("error building synonym source: %v", err)
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}
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return synonymSource, nil
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}
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func (c *SynonymSourceCache) SynonymSourceNamed(name string, cache *Cache) (analysis.SynonymSource, error) {
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item, err := c.ItemNamed(name, cache, SynonymSourceBuild)
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if err != nil {
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return nil, err
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}
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return item.(analysis.SynonymSource), nil
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}
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func (c *SynonymSourceCache) DefineSynonymSource(name string, typ string, config map[string]interface{}, cache *Cache) (analysis.SynonymSource, error) {
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item, err := c.DefineItem(name, typ, config, cache, SynonymSourceBuild)
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if err != nil {
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if err == ErrAlreadyDefined {
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return nil, fmt.Errorf("synonym source named '%s' already defined", name)
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}
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return nil, err
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}
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return item.(analysis.SynonymSource), nil
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}
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func (c *SynonymSourceCache) VisitSynonymSources(visitor analysis.SynonymSourceVisitor) error {
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c.mutex.RLock()
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defer c.mutex.RUnlock()
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for k, v := range c.data {
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err := visitor(k, v.(analysis.SynonymSource))
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if err != nil {
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return err
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}
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}
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return nil
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}
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