온라인 서빙

from typing import List, Union

from google.cloud import aiplatform

def read_feature_values_sample(
    project: str,
    location: str,
    entity_type_id: str,
    featurestore_id: str,
    entity_ids: Union[str, List[str]],
    feature_ids: Union[str, List[str]] = "*",
):

    aiplatform.init(project=project, location=location)

    my_entity_type = aiplatform.featurestore.EntityType(
        entity_type_name=entity_type_id, featurestore_id=featurestore_id
    )

    my_dataframe = my_entity_type.read(entity_ids=entity_ids, feature_ids=feature_ids)

    return my_dataframe

from google.cloud import aiplatform

def read_feature_values_sample(
    project: str,
    featurestore_id: str,
    entity_type_id: str,
    entity_id: str,
    location: str = "us-central1",
    api_endpoint: str = "us-central1-aiplatform.googleapis.com",
):
    # The AI Platform services require regional API endpoints, which need to be
    # in the same region or multi-region overlap with the Feature Store location.
    client_options = {"api_endpoint": api_endpoint}
    # Initialize client that will be used to create and send requests.
    # This client only needs to be created once, and can be reused for multiple requests.
    client = aiplatform.gapic.FeaturestoreOnlineServingServiceClient(
        client_options=client_options
    )
    entity_type = f"projects/{project}/locations/{location}/featurestores/{featurestore_id}/entityTypes/{entity_type_id}"
    feature_selector = aiplatform.gapic.FeatureSelector(
        id_matcher=aiplatform.gapic.IdMatcher(ids=["age", "gender", "liked_genres"])
    )
    read_feature_values_request = aiplatform.gapic.ReadFeatureValuesRequest(
        entity_type=entity_type, entity_id=entity_id, feature_selector=feature_selector
    )
    read_feature_values_response = client.read_feature_values(
        request=read_feature_values_request
    )
    print("read_feature_values_response:", read_feature_values_response)

import com.google.cloud.aiplatform.v1.EntityTypeName;
import com.google.cloud.aiplatform.v1.FeatureSelector;
import com.google.cloud.aiplatform.v1.FeaturestoreOnlineServingServiceClient;
import com.google.cloud.aiplatform.v1.FeaturestoreOnlineServingServiceSettings;
import com.google.cloud.aiplatform.v1.IdMatcher;
import com.google.cloud.aiplatform.v1.ReadFeatureValuesRequest;
import com.google.cloud.aiplatform.v1.ReadFeatureValuesResponse;
import java.io.IOException;
import java.util.Arrays;
import java.util.List;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.TimeoutException;

public class ReadFeatureValuesSample {

  public static void main(String[] args)
      throws IOException, InterruptedException, ExecutionException, TimeoutException {
    // TODO(developer): Replace these variables before running the sample.
    String project = "YOUR_PROJECT_ID";
    // Feature Store ID
    String featurestoreId = "YOUR_FEATURESTORE_ID";
    // Entity Type ID
    String entityTypeId = "YOUR_ENTITY_TYPE_ID";
    // Entity ID
    String entityId = "YOUR_ENTITY_ID";
    // Features to read with batch or online serving.
    List<String> featureSelectorIds = Arrays.asList("title", "genres", "average_rating");
    String location = "us-central1";
    String endpoint = "us-central1-aiplatform.googleapis.com:443";
    int timeout = 300;

    readFeatureValuesSample(
        project,
        featurestoreId,
        entityTypeId,
        entityId,
        featureSelectorIds,
        location,
        endpoint,
        timeout);
  }

  /*
   * Reads Feature values of a specific entity of an EntityType.
   * See: http://cloud.go888ogle.com.fqhub.com/vertex-ai/docs/featurestore/serving-online
   */
  public static void readFeatureValuesSample(
      String project,
      String featurestoreId,
      String entityTypeId,
      String entityId,
      List<String> featureSelectorIds,
      String location,
      String endpoint,
      int timeout)
      throws IOException, InterruptedException, ExecutionException, TimeoutException {
    FeaturestoreOnlineServingServiceSettings featurestoreOnlineServiceSettings =
        FeaturestoreOnlineServingServiceSettings.newBuilder().setEndpoint(endpoint).build();

    // Initialize client that will be used to send requests. This client only needs to be created
    // once, and can be reused for multiple requests. After completing all of your requests, call
    // the "close" method on the client to safely clean up any remaining background resources.
    try (FeaturestoreOnlineServingServiceClient featurestoreOnlineServiceClient =
        FeaturestoreOnlineServingServiceClient.create(featurestoreOnlineServiceSettings)) {
      ReadFeatureValuesRequest readFeatureValuesRequest =
          ReadFeatureValuesRequest.newBuilder()
              .setEntityType(
                  EntityTypeName.of(project, location, featurestoreId, entityTypeId).toString())
              .setEntityId(entityId)
              .setFeatureSelector(
                  FeatureSelector.newBuilder()
                      .setIdMatcher(IdMatcher.newBuilder().addAllIds(featureSelectorIds)))
              .build();

      ReadFeatureValuesResponse readFeatureValuesResponse =
          featurestoreOnlineServiceClient.readFeatureValues(readFeatureValuesRequest);
      System.out.println("Read Feature Values Response" + readFeatureValuesResponse);
    }
  }
}

/**
 * TODO(developer): Uncomment these variables before running the sample.\
 * (Not necessary if passing values as arguments)
 */

// const project = 'YOUR_PROJECT_ID';
// const featurestoreId = 'YOUR_FEATURESTORE_ID';
// const entityTypeId = 'YOUR_ENTITY_TYPE_ID';
// const entityId = 'ENTITY_ID_TO_SERVE';
// const location = 'YOUR_PROJECT_LOCATION';
// const apiEndpoint = 'YOUR_API_ENDPOINT';
// const timeout = <TIMEOUT_IN_MILLI_SECONDS>;

// Imports the Google Cloud Featurestore Service Client library
const {FeaturestoreOnlineServingServiceClient} =
  require('@google-cloud/aiplatform').v1;

// Specifies the location of the api endpoint
const clientOptions = {
  apiEndpoint: apiEndpoint,
};

// Instantiates a client
const featurestoreOnlineServingServiceClient =
  new FeaturestoreOnlineServingServiceClient(clientOptions);

async function readFeatureValues() {
  // Configure the entityType resource
  const entityType = `projects/${project}/locations/${location}/featurestores/${featurestoreId}/entityTypes/${entityTypeId}`;

  const featureSelector = {
    idMatcher: {
      ids: ['age', 'gender', 'liked_genres'],
    },
  };

  const request = {
    entityType: entityType,
    entityId: entityId,
    featureSelector: featureSelector,
  };

  // Read Feature Values Request
  const [response] =
    await featurestoreOnlineServingServiceClient.readFeatureValues(request, {
      timeout: Number(timeout),
    });

  console.log('Read feature values response');
  console.log('Raw response:');
  console.log(JSON.stringify(response, null, 2));
}
readFeatureValues();