AbstractController.java 文件源码

@Override
public void handleActionRequest(ActionRequest request, ActionResponse response) throws Exception {
    // Delegate to PortletContentGenerator for checking and preparing.
    check(request, response);

    // Execute in synchronized block if required.
    if (this.synchronizeOnSession) {
        PortletSession session = request.getPortletSession(false);
        if (session != null) {
            Object mutex = PortletUtils.getSessionMutex(session);
            synchronized (mutex) {
                handleActionRequestInternal(request, response);
                return;
            }
        }
    }

    handleActionRequestInternal(request, response);
}