returns the changes received by other sessions for the shared diagram . the method returns an empty xml node if no change was received within 10 seconds . concode_field_sep mxSharedState diagram concode_elem_sep StringBuffer buffer concode_elem_sep int DEFAULT_TIMEOUT concode_elem_sep String id concode_elem_sep long lastTimeMillis concode_field_sep String init concode_elem_sep void receive concode_elem_sep String getInitialMessage concode_elem_sep long inactiveTimeMillis concode_elem_sep void destroy concode_elem_sep String getId concode_elem_sep void diagramChanged
String function ( ) { return poll ( DEFAULT_TIMEOUT ) ; }