/
FileController.java
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/
FileController.java
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package de.viadee.sonarissuescoring.web;
import org.springframework.http.ResponseEntity;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
import de.viadee.sonarissuescoring.service.PredictionParams;
import de.viadee.sonarissuescoring.service.misc.ParallelismManager;
import de.viadee.sonarissuescoring.service.prediction.PredictionResult;
import de.viadee.sonarissuescoring.service.prediction.PredictionService;
import de.viadee.sonarissuescoring.service.prediction.train.FilePredictionParams;
@RestController
@RequestMapping("files")
public class FileController {
private final PredictionService predictionService;
private final ParallelismManager parallelismManager;
public FileController(PredictionService predictionService, ParallelismManager parallelismManager) {
this.predictionService = predictionService;
this.parallelismManager = parallelismManager;
}
/**
* Calculates the a prediction of how much each java file in the given git-repository is going to change over the next N commits (prediction horizon)
* <p>
* The predicted value is the number of commits touching the file, scaled from 0 to 1 via its <a href="https://en.wikipedia.org/wiki/Percentile_rank">percentile rank</a>.
*
* @param params preferences, like where to fetch data from
* @return the predicted values and some associated metrics
*/
@PostMapping(path = "predict")
public ResponseEntity<PredictionResult> changePrediction(@RequestBody FilePredictionParams params) {
return parallelismManager.runIfNotAlreadyWaitingAsHttp(params.gitServer().url(),
() -> predictionService.predict(PredictionParams.of(params.gitServer(), params.predictionHorizon()), params.h2oUrl()));
}
}