C# FilePath.SetReadOnly方法代码示例

		/// <exception cref="System.IO.IOException"></exception>
		internal override FileObjectDatabase.InsertLooseObjectResult InsertUnpackedObject
			(FilePath tmp, ObjectId id, bool createDuplicate)
		{
			// If the object is already in the repository, remove temporary file.
			//
			if (unpackedObjectCache.IsUnpacked(id))
			{
				FileUtils.Delete(tmp);
				return FileObjectDatabase.InsertLooseObjectResult.EXISTS_LOOSE;
			}
			if (!createDuplicate && Has(id))
			{
				FileUtils.Delete(tmp);
				return FileObjectDatabase.InsertLooseObjectResult.EXISTS_PACKED;
			}
			tmp.SetReadOnly();
			FilePath dst = FileFor(id);
			if (dst.Exists())
			{
				// We want to be extra careful and avoid replacing an object
				// that already exists. We can't be sure renameTo() would
				// fail on all platforms if dst exists, so we check first.
				//
				FileUtils.Delete(tmp);
				return FileObjectDatabase.InsertLooseObjectResult.EXISTS_LOOSE;
			}
			if (tmp.RenameTo(dst))
			{
				unpackedObjectCache.Add(id);
				return FileObjectDatabase.InsertLooseObjectResult.INSERTED;
			}
			// Maybe the directory doesn't exist yet as the object
			// directories are always lazily created. Note that we
			// try the rename first as the directory likely does exist.
			//
			dst.GetParentFile().Mkdir();
			if (tmp.RenameTo(dst))
			{
				unpackedObjectCache.Add(id);
				return FileObjectDatabase.InsertLooseObjectResult.INSERTED;
			}
			if (!createDuplicate && Has(id))
			{
				FileUtils.Delete(tmp);
				return FileObjectDatabase.InsertLooseObjectResult.EXISTS_PACKED;
			}
			// The object failed to be renamed into its proper
			// location and it doesn't exist in the repository
			// either. We really don't know what went wrong, so
			// fail.
			//
			FileUtils.Delete(tmp);
			return FileObjectDatabase.InsertLooseObjectResult.FAILURE;
		}

		/// <exception cref="System.IO.IOException"></exception>
		public override PackLock Parse(ProgressMonitor receiving, ProgressMonitor resolving
			)
		{
			tmpPack = FilePath.CreateTempFile("incoming_", ".pack", db.GetDirectory());
			tmpIdx = new FilePath(db.GetDirectory(), BaseName(tmpPack) + ".idx");
			try
			{
				@out = new RandomAccessFile(tmpPack, "rw");
				base.Parse(receiving, resolving);
				@out.Seek(packEnd);
				@out.Write(packHash);
				@out.GetChannel().Force(true);
				@out.Close();
				WriteIdx();
				tmpPack.SetReadOnly();
				tmpIdx.SetReadOnly();
				return RenameAndOpenPack(GetLockMessage());
			}
			finally
			{
				if (def != null)
				{
					def.Finish();
				}
				try
				{
					if (@out != null && @out.GetChannel().IsOpen())
					{
						@out.Close();
					}
				}
				catch (IOException)
				{
				}
				// Ignored. We want to delete the file.
				CleanupTemporaryFiles();
			}
		}