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CHANGELOG.md

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Changelog

All notable changes to this project will be documented in this file.

The format is based on Keep a Changelog, and this project adheres to Semantic Versioning.

[1.2.0] - 2024-06-17

Fixed

  • Fixed segmentation evaluator issues where contains and Greater than equal to operator were not working as expected.
  • Added unit test cases for the segmentation evaluator and decision maker

`[1.1.0] - 2024-06-07

Fixed

Send event properties as third param in trackEvent() call`

[1.0.0] - 2024-05-31

Added

  • First release of VWO Feature Management and Experimentation capabilities.

    import com.vwo.VWO;
import com.vwo.models.user.VWOContext;
import com.vwo.models.user.GetFlag;
import com.vwo.models.user.VWOInitOptions;

// Initialize VWO SDK
VWOInitOptions vwoInitOptions = new VWOInitOptions();

// Set SDK Key and Account ID
vwoInitOptions.setSdkKey("sdk-key");
vwoInitOptions.setAccountId(123);

// create VWO instance with the vwoInitOptions
VWO vwoInstance = VWO.init(vwoInitOptions);

// Create VWOContext object
VWOContext context = new VWOContext();
// Set User ID
context.setId("user-id");

// Get the GetFlag object for the feature key and context
GetFlag getFlag = vwoInstance.getFlag("feature-key", context);
// Get the flag value
Boolean isFlagEnabled = getFlag.isEnabled();

// Get the variable value for the given variable key and default value
Object variableValue = getFlag.getVariable("stringVar", "default-value");

// Track the event for the given event name and context
Map<String, Boolean> trackResponse = vwoInstance.trackEvent("event-name", context);

// send attributes data
vwoInstance.setAttribute("key", "value", context);

  • Storage

    import com.vwo.packages.storage.Connector;
import java.util.HashMap;
import java.util.Map;
public class StorageTest extends Connector {

private final Map<String, Map<String, Object>> storage = new HashMap<>();

  @Override
  public void set(Map<String, Object> data) throws Exception {
      String key = data.get("featureKey") + "_" + data.get("user");

      // Create a map to store the data
      Map<String, Object> value = new HashMap<>();
      value.put("rolloutKey", data.get("rolloutKey"));
      value.put("rolloutVariationId", data.get("rolloutVariationId"));
      value.put("experimentKey", data.get("experimentKey"));
      value.put("experimentVariationId", data.get("experimentVariationId"));

      // Store the value in the storage
      storage.put(key, value);
  }

  @Override
  public Object get(String featureKey, String userId) throws Exception {
      String key = featureKey + "_" + userId;

      // Check if the key exists in the storage
      if (storage.containsKey(key)) {
          return storage.get(key);
      }
      return null;
  }
}

  • Log messages

    Map<String, Object> logger = new HashMap<>();
logger.put("level", "INFO");
logger.put("prefix", "VWO");

VWOInitOptions vwoInitOptions = new VWOInitOptions();

vwInitOptions.setSdkKey("sdk-key");
vwInitOptions.setAccountId(1234);
vwoInitOptions.setLogger(logger);

  • Error handling

    • Gracefully handle any kind of error - TypeError, NetworkError, etc.

  • Polling support

    • Provide a way to fetch settings periodically and update the instance to use the latest settings
    VWOInitOptions vwoInitOptions = new VWOInitOptions();

vwInitOptions.setSdkKey("sdk-key");
vwInitOptions.setAccountId(1234);
vwInitOptions.setPollInterval(60);