github.com/weaviate/weaviate@v1.24.6/modules/text2vec-jinaai/vectorizer/objects.go (about)

     1  //                           _       _
     2  // __      _____  __ ___   ___  __ _| |_ ___
     3  // \ \ /\ / / _ \/ _` \ \ / / |/ _` | __/ _ \
     4  //  \ V  V /  __/ (_| |\ V /| | (_| | ||  __/
     5  //   \_/\_/ \___|\__,_| \_/ |_|\__,_|\__\___|
     6  //
     7  //  Copyright © 2016 - 2024 Weaviate B.V. All rights reserved.
     8  //
     9  //  CONTACT: hello@weaviate.io
    10  //
    11  
    12  package vectorizer
    13  
    14  import (
    15  	"context"
    16  
    17  	"github.com/weaviate/weaviate/entities/models"
    18  	"github.com/weaviate/weaviate/entities/moduletools"
    19  	"github.com/weaviate/weaviate/modules/text2vec-jinaai/ent"
    20  	objectsvectorizer "github.com/weaviate/weaviate/usecases/modulecomponents/vectorizer"
    21  	libvectorizer "github.com/weaviate/weaviate/usecases/vectorizer"
    22  )
    23  
    24  type Vectorizer struct {
    25  	client           Client
    26  	objectVectorizer *objectsvectorizer.ObjectVectorizer
    27  }
    28  
    29  func New(client Client) *Vectorizer {
    30  	return &Vectorizer{
    31  		client:           client,
    32  		objectVectorizer: objectsvectorizer.New(),
    33  	}
    34  }
    35  
    36  type Client interface {
    37  	Vectorize(ctx context.Context, input string,
    38  		config ent.VectorizationConfig) (*ent.VectorizationResult, error)
    39  	VectorizeQuery(ctx context.Context, input []string,
    40  		config ent.VectorizationConfig) (*ent.VectorizationResult, error)
    41  }
    42  
    43  // IndexCheck returns whether a property of a class should be indexed
    44  type ClassSettings interface {
    45  	PropertyIndexed(property string) bool
    46  	VectorizePropertyName(propertyName string) bool
    47  	VectorizeClassName() bool
    48  	Model() string
    49  	BaseURL() string
    50  }
    51  
    52  func (v *Vectorizer) Object(ctx context.Context, object *models.Object,
    53  	comp moduletools.VectorizablePropsComparator, cfg moduletools.ClassConfig,
    54  ) ([]float32, models.AdditionalProperties, error) {
    55  	vec, err := v.object(ctx, object.Class, comp, cfg)
    56  	return vec, nil, err
    57  }
    58  
    59  func (v *Vectorizer) object(ctx context.Context, className string,
    60  	comp moduletools.VectorizablePropsComparator, cfg moduletools.ClassConfig,
    61  ) ([]float32, error) {
    62  	text, vector := v.objectVectorizer.TextsOrVector(ctx, className, comp, NewClassSettings(cfg), cfg.TargetVector())
    63  	if vector != nil {
    64  		// dont' re-vectorize
    65  		return vector, nil
    66  	}
    67  	// vectorize text
    68  	icheck := NewClassSettings(cfg)
    69  	res, err := v.client.Vectorize(ctx, text, ent.VectorizationConfig{
    70  		Model:   icheck.Model(),
    71  		BaseURL: icheck.BaseURL(),
    72  	})
    73  	if err != nil {
    74  		return nil, err
    75  	}
    76  
    77  	if len(res.Vector) > 1 {
    78  		return libvectorizer.CombineVectors(res.Vector), nil
    79  	}
    80  	return res.Vector[0], nil
    81  }