question: protected void notifyModified ( ) { if ( updateCounter . get ( ) > 0 ) { return ; } if ( modified ) { updateVersion ( ) ; lastModified = System . currentTimeMillis ( ) ; } if ( modified && storage != null ) { if ( ! storage . save ( this ) ) { log . error ( "Could not store shared object." ) ; } } sendUpdates ( ) ; modified = false ; }
target:  Send notification about modification of SO