Class SessionMap

java/src/org/openqa/selenium/grid/sessionmap/SessionMap.java:71–115

Provides a stable API for looking up where on the Grid a particular webdriver instance is running. This class responds to the following URLs: Verb URL Template Meaning DELETE

 * </table>
 */
public abstract class SessionMap implements HasReadyState, Routable {

  protected final Tracer tracer;

  private final Route routes;

  public abstract boolean add(Session session);

  public abstract Session get(SessionId id) throws NoSuchSessionException;

  public abstract void remove(SessionId id);

  public URI getUri(SessionId id) throws NoSuchSessionException {
    return get(id).getUri();
  }

  public SessionMap(Tracer tracer) {
    this.tracer = Require.nonNull("Tracer", tracer);

    Json json = new Json();
    routes =
        combine(
            Route.get("/se/grid/session/{sessionId}/uri")
                .to(params -> new GetSessionUri(this, sessionIdFrom(params))),
            post("/se/grid/session").to(() -> new AddToSessionMap(tracer, json, this)),
            Route.get("/se/grid/session/{sessionId}")
                .to(params -> new GetFromSessionMap(tracer, this, sessionIdFrom(params))),
            delete("/se/grid/session/{sessionId}")
                .to(params -> new RemoveFromSession(tracer, this, sessionIdFrom(params))));
  }

  private SessionId sessionIdFrom(Map<String, String> params) {
    return new SessionId(params.get("sessionId"));
  }

  @Override
  public boolean matches(HttpRequest req) {
    return routes.matches(req);
  }

  @Override
  public HttpResponse execute(HttpRequest req) {
    return routes.execute(req);
  }
}