/*

* SPDX-License-Identifier: Apache-2.0

* Copyright 2018-2019 The Feast Authors

*

* Licensed under the Apache License, Version 2.0 (the "License");

* you may not use this file except in compliance with the License.

* You may obtain a copy of the License at

*

* https://www.apache.org/licenses/LICENSE-2.0

*

* Unless required by applicable law or agreed to in writing, software

* distributed under the License is distributed on an "AS IS" BASIS,

* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

* See the License for the specific language governing permissions and

* limitations under the License.

*/

package feast.serving.util;

import feast.proto.serving.ServingAPIProto;

import feast.proto.serving.ServingAPIProto.FeatureReferenceV2;

import feast.serving.service.FeatureUtil;

public class RequestHelper {

public static void validateOnlineRequest(ServingAPIProto.GetOnlineFeaturesRequest request) {

// All EntityRows should not be empty

if (request.getEntitiesCount() <= 0) {

throw new IllegalArgumentException("Entity value must be provided");

}

// All FeatureReferences should have FeatureTable name and Feature name

for (String featureReference : request.getFeatures().getValList()) {

validateOnlineRequestFeatureReference(FeatureUtil.parseFeatureReference(featureReference));

}

}

public static void validateOnlineRequestFeatureReference(FeatureReferenceV2 featureReference) {

if (featureReference.getFeatureViewName().isEmpty()) {

throw new IllegalArgumentException("FeatureTable name must be provided in FeatureReference");

}

if (featureReference.getFeatureName().isEmpty()) {

throw new IllegalArgumentException("Feature name must be provided in FeatureReference");

}

}

}