ExplorerActionsImpl.java 文件源码

public final void waitFinished() {
    ActionStateUpdater u = actionStateUpdater;
    synchronized (this) {
        u = actionStateUpdater;
    }
    if (u == null) {
        return;
    }
    u.waitFinished();
    if (EventQueue.isDispatchThread()) {
        u.run();
    } else {
        try {
            EventQueue.invokeAndWait(u);
        } catch (Exception ex) {
            Exceptions.printStackTrace(ex);
        }
    }
}