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package org.opentripplanner.apis.gtfs.datafetchers;

import graphql.schema.DataFetcher;
import graphql.schema.DataFetchingEnvironment;
import org.opentripplanner.api.resource.DebugOutput;
import org.opentripplanner.apis.gtfs.generated.GraphQLDataFetchers;

public class debugOutputImpl implements GraphQLDataFetchers.GraphQLDebugOutput {

  private static final long nanosToMillis = 1000000;

  @Override
  public DataFetcher pathCalculationTime() {
    return environment -> getSource(environment).transitRouterTime / nanosToMillis;
  }

  @Override
  public DataFetcher precalculationTime() {
    return environment -> getSource(environment).precalculationTime / nanosToMillis;
  }

  @Override
  public DataFetcher renderingTime() {
    return environment -> getSource(environment).renderingTime / nanosToMillis;
  }

  @Override
  public DataFetcher timedOut() {
    return environment -> false;
  }

  @Override
  public DataFetcher totalTime() {
    return environment -> getSource(environment).totalTime / nanosToMillis;
  }

  private DebugOutput getSource(DataFetchingEnvironment environment) {
    return environment.getSource();
  }
}