question: private void initializeDownloadProgress ( String version , long versionSize ) { _coordinator . setTargetInfo ( new DownloadingInfo ( version , versionSize ) ) ; for ( Site site : drUtil . listSites ( ) ) { for ( String nodeId : _coordinator . getAllNodes ( site . getUuid ( ) ) ) { _coordinator . setNodeGlobalScopeInfo ( new DownloadingInfo ( version , versionSize ) , site . getUuid ( ) , DOWNLOADINFO_KIND , nodeId ) ; } } }
target:  Initialize download progress for each node