/// <exception cref="System.IO.IOException"/>
public override void AppendToFile(Path path, int numBlocks, params Options.CreateOpts
[] options)
{
Options.CreateOpts.BlockSize blockSizeOpt = Options.CreateOpts.GetOpt <Options.CreateOpts.BlockSize
>(options);
long blockSize = blockSizeOpt != null?blockSizeOpt.GetValue() : DefaultBlockSize;
FSDataOutputStream @out;
@out = fs.Append(path);
byte[] data = GetFileData(numBlocks, blockSize);
@out.Write(data, 0, data.Length);
@out.Close();
}
/*
* Create files with numBlocks blocks each with block size blockSize.
*/
/// <exception cref="System.IO.IOException"/>
public static long CreateFile(FileContext fc, Path path, int numBlocks, params Options.CreateOpts
[] options)
{
Options.CreateOpts.BlockSize blockSizeOpt = Options.CreateOpts.GetOpt <Options.CreateOpts.BlockSize
>(options);
long blockSize = blockSizeOpt != null?blockSizeOpt.GetValue() : DefaultBlockSize;
FSDataOutputStream @out = fc.Create(path, EnumSet.Of(CreateFlag.Create), options);
byte[] data = GetFileData(numBlocks, blockSize);
@out.Write(data, 0, data.Length);
@out.Close();
return(data.Length);
}
/// <exception cref="Org.Apache.Hadoop.Security.AccessControlException"/>
/// <exception cref="Org.Apache.Hadoop.FS.FileAlreadyExistsException"/>
/// <exception cref="System.IO.FileNotFoundException"/>
/// <exception cref="Org.Apache.Hadoop.FS.ParentNotDirectoryException"/>
/// <exception cref="Org.Apache.Hadoop.FS.UnsupportedFileSystemException"/>
/// <exception cref="System.IO.IOException"/>
public override FSDataOutputStream Create(Path f, EnumSet <CreateFlag> createFlag,
params Options.CreateOpts[] opts)
{
// Need to translate the FileContext-style options into FileSystem-style
// Permissions with umask
Options.CreateOpts.Perms permOpt = Options.CreateOpts.GetOpt <Options.CreateOpts.Perms
>(opts);
FsPermission umask = FsPermission.GetUMask(fs.GetConf());
FsPermission permission = (permOpt != null) ? permOpt.GetValue() : FsPermission.GetFileDefault
().ApplyUMask(umask);
permission = permission.ApplyUMask(umask);
// Overwrite
bool overwrite = createFlag.Contains(CreateFlag.Overwrite);
// bufferSize
int bufferSize = fs.GetConf().GetInt(CommonConfigurationKeysPublic.IoFileBufferSizeKey
, CommonConfigurationKeysPublic.IoFileBufferSizeDefault);
Options.CreateOpts.BufferSize bufOpt = Options.CreateOpts.GetOpt <Options.CreateOpts.BufferSize
>(opts);
bufferSize = (bufOpt != null) ? bufOpt.GetValue() : bufferSize;
// replication
short replication = fs.GetDefaultReplication(f);
Options.CreateOpts.ReplicationFactor repOpt = Options.CreateOpts.GetOpt <Options.CreateOpts.ReplicationFactor
>(opts);
replication = (repOpt != null) ? repOpt.GetValue() : replication;
// blockSize
long blockSize = fs.GetDefaultBlockSize(f);
Options.CreateOpts.BlockSize blockOpt = Options.CreateOpts.GetOpt <Options.CreateOpts.BlockSize
>(opts);
blockSize = (blockOpt != null) ? blockOpt.GetValue() : blockSize;
// Progressable
Progressable progress = null;
Options.CreateOpts.Progress progressOpt = Options.CreateOpts.GetOpt <Options.CreateOpts.Progress
>(opts);
progress = (progressOpt != null) ? progressOpt.GetValue() : progress;
return(fs.Create(f, permission, overwrite, bufferSize, replication, blockSize, progress
));
}
