org.opentripplanner.ext.dataoverlay.routing.DataOverlayContext Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of otp Show documentation

The OpenTripPlanner multimodal journey planning system

The newest version!

package org.opentripplanner.ext.dataoverlay.routing;

import static org.opentripplanner.ext.dataoverlay.api.DataOverlayParameters.toStringKey;
import static org.opentripplanner.ext.dataoverlay.api.ParameterType.PENALTY;
import static org.opentripplanner.ext.dataoverlay.api.ParameterType.THRESHOLD;

import java.util.ArrayList;
import java.util.List;
import org.opentripplanner.ext.dataoverlay.api.DataOverlayParameters;
import org.opentripplanner.ext.dataoverlay.api.ParameterName;
import org.opentripplanner.ext.dataoverlay.api.ParameterType;
import org.opentripplanner.ext.dataoverlay.configuration.DataOverlayParameterBindings;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

public class DataOverlayContext {

  private static final Logger LOG = LoggerFactory.getLogger(DataOverlayContext.class);

  private final List parameters = new ArrayList<>();

  public DataOverlayContext(
    DataOverlayParameterBindings parameterBindings,
    DataOverlayParameters requestParameters
  ) {
    for (ParameterName paramName : requestParameters.listParameterNames()) {
      addParameter(paramName, parameterBindings, requestParameters);
    }
  }

  public Iterable getParameters() {
    return parameters;
  }

  private void addParameter(
    ParameterName paramName,
    DataOverlayParameterBindings parameterBindings,
    DataOverlayParameters requestParameters
  ) {
    var penalty = requestParameters.get(paramName, PENALTY);

    if (isParameterValueInvalid(penalty, paramName, PENALTY)) {
      return;
    }

    var threshold = requestParameters.get(paramName, THRESHOLD);

    if (isParameterValueInvalid(threshold, paramName, THRESHOLD)) {
      return;
    }

    var binding = parameterBindings.getParameterBinding(paramName);

    if (binding.isEmpty()) {
      LOG.warn("Request parameter config not found. Parameter: {}", paramName);
      return;
    }

    this.parameters.add(new Parameter(binding.get(), threshold, penalty));
  }

  private boolean isParameterValueInvalid(Double value, ParameterName name, ParameterType type) {
    if (value == null || value < 0d) {
      LOG.warn("Request parameter required. Parameter: {}", toStringKey(name, type));
      return true;
    } else {
      return false;
    }
  }
}