dispatch/vendor/github.com/blevesearch/bleve/registry/byte_array_converter.go
2016-03-01 01:51:26 +01:00

48 lines
1.6 KiB
Go

// Copyright (c) 2014 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/analysis"
)
func RegisterByteArrayConverter(name string, constructor ByteArrayConverterConstructor) {
_, exists := byteArrayConverters[name]
if exists {
panic(fmt.Errorf("attempted to register duplicate byte array converter named '%s'", name))
}
byteArrayConverters[name] = constructor
}
type ByteArrayConverterConstructor func(config map[string]interface{}, cache *Cache) (analysis.ByteArrayConverter, error)
type ByteArrayConverterRegistry map[string]ByteArrayConverterConstructor
func ByteArrayConverterByName(name string) ByteArrayConverterConstructor {
return byteArrayConverters[name]
}
func ByteArrayConverterTypesAndInstances() ([]string, []string) {
emptyConfig := map[string]interface{}{}
emptyCache := NewCache()
types := make([]string, 0)
instances := make([]string, 0)
for name, cons := range byteArrayConverters {
_, err := cons(emptyConfig, emptyCache)
if err == nil {
instances = append(instances, name)
} else {
types = append(types, name)
}
}
return types, instances
}