/*
 * Copyright (C) 2019 Spotify AB
 *
 * 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
 *
 *      http://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 com.spotify.zoltar.metrics;

/** Defines an interface for how to collect predictor statistics. */
public interface PredictorMetrics<InputT, VectorT, PredictionT> {

  /** Called on each predict function call to get a brand new supplier of metrics for that call. */
  PredictFnMetrics<InputT, PredictionT> predictFnMetrics();

  /**
   * Called on each feature extraction function call to get a brand new supplier of metrics for that
   * call.
   */
  FeatureExtractorMetrics<InputT, VectorT> featureExtractorMetrics();
}
