sets default user name . see #getdefaultusername for details . concode_field_sep HadoopFileSystemFactory factory concode_elem_sep GridKernalContext ctx concode_elem_sep String dfltUsrName concode_elem_sep HadoopIgfsSecondaryFileSystemDelegate target concode_field_sep HadoopFileSystemFactory getFileSystemFactory concode_elem_sep void start concode_elem_sep IgfsFile update concode_elem_sep void setFileSystemFactory concode_elem_sep boolean delete concode_elem_sep HadoopFileSystemFactory getPayload concode_elem_sep String getDefaultUserName concode_elem_sep void stop concode_elem_sep void rename concode_elem_sep void mkdirs concode_elem_sep void mkdirs concode_elem_sep boolean exists concode_elem_sep OutputStream create concode_elem_sep OutputStream create concode_elem_sep long usedSpaceSize concode_elem_sep void setTimes concode_elem_sep Collection<IgfsFile> listFiles concode_elem_sep Collection<IgfsPath> listPaths concode_elem_sep IgfsSecondaryFileSystemPositionedReadable open concode_elem_sep OutputStream append concode_elem_sep IgfsFile info concode_elem_sep void setKernalContext
void function ( @ Nullable String arg0 ) { this . dfltUsrName = arg0 ; }