returns true if no session exists beyond the sys session . concode_field_sep int sessionIdCount concode_elem_sep IntKeyHashMap sessionMap concode_elem_sep Session sysSession concode_field_sep void removeSession concode_elem_sep boolean isUserActive concode_elem_sep void removeSchemaReference concode_elem_sep Session newSession concode_elem_sep Session getSysSession concode_elem_sep Session getSysSession concode_elem_sep Session getSysSession concode_elem_sep void closeAllSessions concode_elem_sep Session[] getAllSessions concode_elem_sep Session getSession concode_elem_sep void clearAll concode_elem_sep Session[] getVisibleSessions
boolean function ( ) { return sessionMap . isEmpty ( ) ; }