public _PrivilegedExceptionAction_333(FileSystemAccessService _enclosing, Configuration
conf, FileSystemAccess.FileSystemExecutor <T> executor)
{
this._enclosing = _enclosing;
this.conf = conf;
this.executor = executor;
}
/// <exception cref="Org.Apache.Hadoop.Lib.Service.FileSystemAccessException"/>
public override T Execute <T>(string user, Configuration conf, FileSystemAccess.FileSystemExecutor
<T> executor)
{
Check.NotEmpty(user, "user");
Check.NotNull(conf, "conf");
Check.NotNull(executor, "executor");
if (!conf.GetBoolean(FileSystemServiceCreated, false))
{
throw new FileSystemAccessException(FileSystemAccessException.ERROR.H04);
}
if (conf.Get(CommonConfigurationKeysPublic.FsDefaultNameKey) == null || conf.GetTrimmed
(CommonConfigurationKeysPublic.FsDefaultNameKey).Length == 0)
{
throw new FileSystemAccessException(FileSystemAccessException.ERROR.H06, CommonConfigurationKeysPublic
.FsDefaultNameKey);
}
try
{
ValidateNamenode(new URI(conf.Get(CommonConfigurationKeysPublic.FsDefaultNameKey)
).GetAuthority());
UserGroupInformation ugi = GetUGI(user);
return(ugi.DoAs(new _PrivilegedExceptionAction_333(this, conf, executor)));
}
catch (FileSystemAccessException ex)
{
throw;
}
catch (Exception ex)
{
throw new FileSystemAccessException(FileSystemAccessException.ERROR.H03, ex);
}
}
/// <summary>
/// Executes a
/// <see cref="Org.Apache.Hadoop.Lib.Service.FileSystemAccess.FileSystemExecutor{T}"/
/// >
/// using a filesystem for the effective
/// user.
/// </summary>
/// <param name="ugi">user making the request.</param>
/// <param name="executor">FileSystemExecutor to execute.</param>
/// <returns>FileSystemExecutor response</returns>
/// <exception cref="System.IO.IOException">thrown if an IO error occurrs.</exception>
/// <exception cref="Org.Apache.Hadoop.Lib.Service.FileSystemAccessException">
/// thrown if a FileSystemAccess releated error occurred. Thrown
/// exceptions are handled by
/// <see cref="HttpFSExceptionProvider"/>
/// .
/// </exception>
private T FsExecute <T>(UserGroupInformation ugi, FileSystemAccess.FileSystemExecutor
<T> executor)
{
FileSystemAccess fsAccess = HttpFSServerWebApp.Get().Get <FileSystemAccess>();
Configuration conf = HttpFSServerWebApp.Get().Get <FileSystemAccess>().GetFileSystemConfiguration
();
return(fsAccess.Execute(ugi.GetShortUserName(), conf, executor));
}
/// <exception cref="Org.Apache.Hadoop.Lib.Service.FileSystemAccessException"/>
public abstract T Execute <T>(string user, Configuration conf, FileSystemAccess.FileSystemExecutor
<T> executor);
