Spaces:
Running
Running
File size: 5,019 Bytes
b110593 |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 |
// _ _
// __ _____ __ ___ ___ __ _| |_ ___
// \ \ /\ / / _ \/ _` \ \ / / |/ _` | __/ _ \
// \ V V / __/ (_| |\ V /| | (_| | || __/
// \_/\_/ \___|\__,_| \_/ |_|\__,_|\__\___|
//
// Copyright © 2016 - 2024 Weaviate B.V. All rights reserved.
//
// CONTACT: [email protected]
//
package vectorizer
import (
"encoding/json"
"fmt"
"strconv"
"github.com/pkg/errors"
"github.com/weaviate/weaviate/entities/moduletools"
)
type classSettings struct {
cfg moduletools.ClassConfig
}
func NewClassSettings(cfg moduletools.ClassConfig) *classSettings {
return &classSettings{cfg: cfg}
}
func (ic *classSettings) ImageField(property string) bool {
return ic.field("imageFields", property)
}
func (ic *classSettings) ImageFieldsWeights() ([]float32, error) {
return ic.getFieldsWeights("image")
}
func (ic *classSettings) TextField(property string) bool {
return ic.field("textFields", property)
}
func (ic *classSettings) TextFieldsWeights() ([]float32, error) {
return ic.getFieldsWeights("text")
}
func (ic *classSettings) field(name, property string) bool {
if ic.cfg == nil {
// we would receive a nil-config on cross-class requests, such as Explore{}
return false
}
fields, ok := ic.cfg.Class()[name]
if !ok {
return false
}
fieldsArray, ok := fields.([]interface{})
if !ok {
return false
}
fieldNames := make([]string, len(fieldsArray))
for i, value := range fieldsArray {
fieldNames[i] = value.(string)
}
for i := range fieldNames {
if fieldNames[i] == property {
return true
}
}
return false
}
func (ic *classSettings) Validate() error {
if ic.cfg == nil {
// we would receive a nil-config on cross-class requests, such as Explore{}
return errors.New("empty config")
}
imageFields, imageFieldsOk := ic.cfg.Class()["imageFields"]
textFields, textFieldsOk := ic.cfg.Class()["textFields"]
if !imageFieldsOk && !textFieldsOk {
return errors.New("textFields or imageFields setting needs to be present")
}
if imageFieldsOk {
imageFieldsCount, err := ic.validateFields("image", imageFields)
if err != nil {
return err
}
err = ic.validateWeights("image", imageFieldsCount)
if err != nil {
return err
}
}
if textFieldsOk {
textFieldsCount, err := ic.validateFields("text", textFields)
if err != nil {
return err
}
err = ic.validateWeights("text", textFieldsCount)
if err != nil {
return err
}
}
return nil
}
func (ic *classSettings) validateFields(name string, fields interface{}) (int, error) {
fieldsArray, ok := fields.([]interface{})
if !ok {
return 0, errors.Errorf("%sFields must be an array", name)
}
if len(fieldsArray) == 0 {
return 0, errors.Errorf("must contain at least one %s field name in %sFields", name, name)
}
for _, value := range fieldsArray {
v, ok := value.(string)
if !ok {
return 0, errors.Errorf("%sField must be a string", name)
}
if len(v) == 0 {
return 0, errors.Errorf("%sField values cannot be empty", name)
}
}
return len(fieldsArray), nil
}
func (ic *classSettings) validateWeights(name string, count int) error {
weights, ok := ic.getWeights(name)
if ok {
if len(weights) != count {
return errors.Errorf("weights.%sFields does not equal number of %sFields", name, name)
}
_, err := ic.getWeightsArray(weights)
if err != nil {
return err
}
}
return nil
}
func (ic *classSettings) getWeights(name string) ([]interface{}, bool) {
weights, ok := ic.cfg.Class()["weights"]
if ok {
weightsObject, ok := weights.(map[string]interface{})
if ok {
fieldWeights, ok := weightsObject[fmt.Sprintf("%sFields", name)]
if ok {
fieldWeightsArray, ok := fieldWeights.([]interface{})
if ok {
return fieldWeightsArray, ok
}
}
}
}
return nil, false
}
func (ic *classSettings) getWeightsArray(weights []interface{}) ([]float32, error) {
weightsArray := make([]float32, len(weights))
for i := range weights {
weight, err := ic.getNumber(weights[i])
if err != nil {
return nil, err
}
weightsArray[i] = weight
}
return weightsArray, nil
}
func (ic *classSettings) getFieldsWeights(name string) ([]float32, error) {
weights, ok := ic.getWeights(name)
if ok {
return ic.getWeightsArray(weights)
}
return nil, nil
}
func (ic *classSettings) getNumber(in interface{}) (float32, error) {
switch i := in.(type) {
case float64:
return float32(i), nil
case float32:
return i, nil
case int:
return float32(i), nil
case string:
num, err := strconv.ParseFloat(i, 64)
if err != nil {
return 0, err
}
return float32(num), err
case json.Number:
num, err := i.Float64()
if err != nil {
return 0, err
}
return float32(num), err
default:
return 0.0, errors.Errorf("Unrecognized weight entry type: %T", i)
}
}
|