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bleve/registry/index_type.go

48 lines
1.5 KiB
Go

// Copyright (c) 2015 Couchbase, Inc.
// Licensed 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.
package registry
import (
"fmt"
"github.com/blevesearch/bleve/index"
"github.com/blevesearch/bleve/index/store"
)
func RegisterIndexType(name string, constructor IndexTypeConstructor) {
_, exists := index_types[name]
if exists {
panic(fmt.Errorf("attempted to register duplicate index encoding named '%s'", name))
}
index_types[name] = constructor
}
type IndexTypeConstructor func(store.KVStore, *index.AnalysisQueue) (index.Index, error)
type IndexTypeRegistry map[string]IndexTypeConstructor
func IndexTypeConstructorByName(name string) IndexTypeConstructor {
return index_types[name]
}
func IndexTypesAndInstances() ([]string, []string) {
emptyConfig := map[string]interface{}{}
types := make([]string, 0)
instances := make([]string, 0)
for name, cons := range stores {
_, err := cons(emptyConfig)
if err == nil {
instances = append(instances, name)
} else {
types = append(types, name)
}
}
return types, instances
}