How to use

org.apache.zookeeper.server.SessionTrackerImpl$SessionImpl

constructor

@Override
public synchronized boolean trackSession(long id, int sessionTimeout) {
  boolean added = false;
  SessionImpl session = sessionsById.get(id);
  if (session == null){
    session = new SessionImpl(id, sessionTimeout);
  }
  // findbugs2.0.3 complains about get after put.
  // long term strategy would be use computeIfAbsent after JDK 1.8
  SessionImpl existedSession = sessionsById.putIfAbsent(id, session);
  if (existedSession != null) {
    session = existedSession;
  } else {
    added = true;
    LOG.debug("Adding session 0x" + Long.toHexString(id));
  }
  if (LOG.isTraceEnabled()) {
    String actionStr = added ? "Adding" : "Existing";
    ZooTrace.logTraceMessage(LOG, ZooTrace.SESSION_TRACE_MASK,
        "SessionTrackerImpl --- " + actionStr + " session 0x"
        + Long.toHexString(id) + " " + sessionTimeout);
  }
  updateSessionExpiry(session, sessionTimeout);
  return added;
}

synchronized public void addSession(long id, int sessionTimeout) {
  sessionsWithTimeout.put(id, sessionTimeout);
  if (sessionsById.get(id) == null) {
    SessionImpl s = new SessionImpl(id, sessionTimeout, 0);
    sessionsById.put(id, s);
    if (LOG.isTraceEnabled()) {
      ZooTrace.logTraceMessage(LOG, ZooTrace.SESSION_TRACE_MASK,
          "SessionTrackerImpl --- Adding session 0x"
          + Long.toHexString(id) + " " + sessionTimeout);
    }
  } else {
    if (LOG.isTraceEnabled()) {
      ZooTrace.logTraceMessage(LOG, ZooTrace.SESSION_TRACE_MASK,
          "SessionTrackerImpl --- Existing session 0x"
          + Long.toHexString(id) + " " + sessionTimeout);
    }
  }
  touchSession(id, sessionTimeout);
}

synchronized public void addSession(long id, int sessionTimeout) {
  sessionsWithTimeout.put(id, sessionTimeout);
  if (sessionsById.get(id) == null) {
    SessionImpl s = new SessionImpl(id, sessionTimeout, 0);
    sessionsById.put(id, s);
    if (LOG.isTraceEnabled()) {
      ZooTrace.logTraceMessage(LOG, ZooTrace.SESSION_TRACE_MASK,
          "SessionTrackerImpl --- Adding session 0x"
          + Long.toHexString(id) + " " + sessionTimeout);
    }
  } else {
    if (LOG.isTraceEnabled()) {
      ZooTrace.logTraceMessage(LOG, ZooTrace.SESSION_TRACE_MASK,
          "SessionTrackerImpl --- Existing session 0x"
          + Long.toHexString(id) + " " + sessionTimeout);
    }
  }
  touchSession(id, sessionTimeout);
}