milvus/internal/util/function/function_base.go

84 lines
2.5 KiB
Go

/*
* # Licensed to the LF AI & Data foundation under one
* # or more contributor license agreements. See the NOTICE file
* # distributed with this work for additional information
* # regarding copyright ownership. The ASF licenses this file
* # to you 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 function
import (
"fmt"
"strings"
"github.com/milvus-io/milvus-proto/go-api/v2/schemapb"
)
type FunctionBase struct {
schema *schemapb.FunctionSchema
outputFields []*schemapb.FieldSchema
collectionName string
functionTypeName string
functionName string
provider string
}
func getProvider(functionSchema *schemapb.FunctionSchema) (string, error) {
for _, param := range functionSchema.Params {
switch strings.ToLower(param.Key) {
case Provider:
return strings.ToLower(param.Value), nil
default:
}
}
return "", fmt.Errorf("The text embedding service provider parameter:[%s] was not found", Provider)
}
func NewFunctionBase(coll *schemapb.CollectionSchema, fSchema *schemapb.FunctionSchema) (*FunctionBase, error) {
var base FunctionBase
base.schema = fSchema
for _, fieldName := range fSchema.GetOutputFieldNames() {
for _, field := range coll.GetFields() {
if field.GetName() == fieldName {
base.outputFields = append(base.outputFields, field)
break
}
}
}
if len(base.outputFields) != len(fSchema.GetOutputFieldNames()) {
return &base, fmt.Errorf("The collection [%s]'s information is wrong, function [%s]'s outputs does not match the schema",
coll.Name, fSchema.Name)
}
provider, err := getProvider(fSchema)
if err != nil {
return nil, err
}
base.collectionName = coll.Name
base.functionName = fSchema.Name
base.provider = provider
base.functionTypeName = fSchema.GetType().String()
return &base, nil
}
func (base *FunctionBase) GetSchema() *schemapb.FunctionSchema {
return base.schema
}
func (base *FunctionBase) GetOutputFields() []*schemapb.FieldSchema {
return base.outputFields
}