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// _ _
// __ _____ __ ___ ___ __ _| |_ ___
// \ \ /\ / / _ \/ _` \ \ / / |/ _` | __/ _ \
// \ V V / __/ (_| |\ V /| | (_| | || __/
// \_/\_/ \___|\__,_| \_/ |_|\__,_|\__\___|
//
// Copyright © 2016 - 2024 Weaviate B.V. All rights reserved.
//
// CONTACT: [email protected]
//
package vectorizer
import (
"context"
"github.com/weaviate/weaviate/entities/models"
"github.com/weaviate/weaviate/entities/moduletools"
"github.com/weaviate/weaviate/modules/text2vec-huggingface/ent"
objectsvectorizer "github.com/weaviate/weaviate/usecases/modulecomponents/vectorizer"
)
type Vectorizer struct {
client Client
objectVectorizer *objectsvectorizer.ObjectVectorizer
}
func New(client Client) *Vectorizer {
return &Vectorizer{
client: client,
objectVectorizer: objectsvectorizer.New(),
}
}
type Client interface {
Vectorize(ctx context.Context, input string,
config ent.VectorizationConfig) (*ent.VectorizationResult, error)
VectorizeQuery(ctx context.Context, input string,
config ent.VectorizationConfig) (*ent.VectorizationResult, error)
}
// IndexCheck returns whether a property of a class should be indexed
type ClassSettings interface {
PropertyIndexed(property string) bool
VectorizePropertyName(propertyName string) bool
VectorizeClassName() bool
EndpointURL() string
PassageModel() string
QueryModel() string
OptionWaitForModel() bool
OptionUseGPU() bool
OptionUseCache() bool
}
func (v *Vectorizer) Object(ctx context.Context, object *models.Object,
objDiff *moduletools.ObjectDiff, cfg moduletools.ClassConfig,
) error {
vec, err := v.object(ctx, object.Class, object.Properties, objDiff, cfg)
if err != nil {
return err
}
object.Vector = vec
return nil
}
func (v *Vectorizer) object(ctx context.Context, className string,
schema interface{}, objDiff *moduletools.ObjectDiff, cfg moduletools.ClassConfig,
) ([]float32, error) {
text, vector, err := v.objectVectorizer.TextsOrVector(ctx, className, schema, objDiff, NewClassSettings(cfg))
if err != nil {
return nil, err
}
if vector != nil {
// dont' re-vectorize
return vector, nil
}
// vectorize text
icheck := NewClassSettings(cfg)
res, err := v.client.Vectorize(ctx, text, ent.VectorizationConfig{
EndpointURL: icheck.EndpointURL(),
Model: icheck.PassageModel(),
WaitForModel: icheck.OptionWaitForModel(),
UseGPU: icheck.OptionUseGPU(),
UseCache: icheck.OptionUseCache(),
})
if err != nil {
return nil, err
}
return res.Vector, nil
}
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