/// <exception cref="System.IO.IOException"/>
public HistoryFileReader(FileSystemApplicationHistoryStore _enclosing, Path historyFile
)
{
this._enclosing = _enclosing;
this.fsdis = this._enclosing.fs.Open(historyFile);
this.reader = new TFile.Reader(this.fsdis, this._enclosing.fs.GetFileStatus(historyFile
).GetLen(), this._enclosing.GetConfig());
this.Reset();
}
/// <exception cref="System.IO.IOException"/>
public HistoryFileWriter(FileSystemApplicationHistoryStore _enclosing, Path historyFile
)
{
this._enclosing = _enclosing;
if (this._enclosing.fs.Exists(historyFile))
{
this.fsdos = this._enclosing.fs.Append(historyFile);
}
else
{
this.fsdos = this._enclosing.fs.Create(historyFile);
}
this._enclosing.fs.SetPermission(historyFile, FileSystemApplicationHistoryStore.HistoryFileUmask
);
this.writer = new TFile.Writer(this.fsdos, FileSystemApplicationHistoryStore.MinBlockSize
, this._enclosing.GetConfig().Get(YarnConfiguration.FsApplicationHistoryStoreCompressionType
, YarnConfiguration.DefaultFsApplicationHistoryStoreCompressionType), null, this
._enclosing.GetConfig());
}
