私有方法十三
/** * @author : lKF35745 * @version: 1.0 * <p>时间 : 2011-1-22</p> * <p>描述 : DstSrceen选看下级视频选看</p> * <p>Copyright 1988-2005, Huawei Tech. Co., Ltd.</p> * @param cascadeTopoTree * @param cascadeConference * @param videoConferenceMode */ private void sendNorthVideoSelection(CascadeTopoTree cascadeTopoTree, CascadeConference cascadeConference, String dstScreenConferID, String srcScreenConferenceID, VideoSelectionParam videoParam) { if (logger.isDebugEnabled()) { logger.debug("begin to sendNorthVideoSelection"); } //得到SrcScreen 的所有上级会议ID List<String> srcSrceenConferID = getDstScreenParentConferID( cascadeTopoTree, srcScreenConferenceID); if (null == srcSrceenConferID) { logger.warn("get srcSrceenConferID is null"); return; } //SrcScreen至DstScreen会议ID List<String> srcSrceenUpperConferID = getParentConferId( srcSrceenConferID, dstScreenConferID); if (null == srcSrceenUpperConferID) { logger.warn("get srcSrceenUpperConferID is null"); return; } boolean hasChariMan = isChairManByDstScreenID(videoParam .getCascadeDstScreen()); List<Channel> paramChannelList = new ArrayList<Channel>(); List<ChannelGroup> srcSrceenUpperChannelGroup = ChannelGroup .findChannelGroupByConferenceID(srcSrceenUpperConferID, cascadeConference); if (null == srcSrceenUpperChannelGroup) { logger.warn("get srcSrceenUpperChannelGroup is null"); return; } //获取SrcScreen级联通道 List<Channel> srcScreenChannel = Channel.findChannel( srcSrceenUpperChannelGroup, NORTH, hasChariMan, paramChannelList); if (null == srcScreenChannel) { logger.warn("get srcScreenChannel is null"); return; } List<ParticipantID> srcScreenPorat = Channel.findChannelPorat( srcScreenChannel, NORTH); if (null == srcScreenPorat) { logger.warn("get srcScreenPorat is null"); return; } List<ParticipantID> reversalPorat = new ArrayList<ParticipantID>(); //先添加SrcScreen ID reversalPorat.add(videoParam.getCascadeSrcScreen()); if (srcScreenPorat.size() > 0) { for (int i = 0; i < srcScreenPorat.size(); i++) { reversalPorat.add(srcScreenPorat.get(i)); } } //DstSrceen最后一个添加 reversalPorat.add(videoParam.getCascadeDstScreen()); sendSetVideoSelection(reversalPorat, srcSrceenUpperConferID); if (logger.isDebugEnabled()) { logger.debug("end to sendNorthVideoSelection"); } }?