frostfs-sdk-csharp/src/FrostFS.SDK.Client/Models/Object/FrostFsObject.cs
Pavel Gross 32a7e64538 [#39] Client: add memory usage optimizations
Signed-off-by: Pavel Gross <p.gross@yadro.com>
2025-03-07 15:29:45 +03:00

87 lines
2.5 KiB
C#

using System;
namespace FrostFS.SDK;
public class FrostFsObject
{
// private byte[]? _payloadBytes;
// private ReadOnlyMemory<byte> _payloadMemory;
// private bool _isInitPayloadMemory;
/// <summary>
/// Creates new instance from <c>ObjectHeader</c>
/// </summary>
/// <param name="header"></param> <summary>
public FrostFsObject(FrostFsObjectHeader header)
{
Header = header;
}
/// <summary>
/// Creates new instance with specified parameters
/// </summary>
/// <param name="container"></param>
/// <param name="objectType"></param>
public FrostFsObject(FrostFsContainerId container, FrostFsObjectType objectType = FrostFsObjectType.Regular)
{
Header = new FrostFsObjectHeader(containerId: container, type: objectType);
}
/// <summary>
/// Header contains metadata for the object
/// </summary>
/// <value></value>
public FrostFsObjectHeader Header { get; set; }
/// <summary>
/// The value is calculated internally as a hash of ObjectHeader. Do not use pre-calculated value is the object has been changed.
/// </summary>
public FrostFsObjectId? ObjectId
{
get; set;
}
/// <summary>
/// A payload is obtained via stream reader
/// </summary>
/// <value>Reader for received data</value>
public IObjectReader? ObjectReader { get; set; }
public ReadOnlyMemory<byte> SingleObjectPayload { get; set; }
//public ReadOnlyMemory<byte> SingleObjectPayloadMemory
//{
// get
// {
// if (!_isInitPayloadMemory)
// {
// _payloadMemory = _payloadBytes.AsMemory();
// _isInitPayloadMemory = true;
// }
// return _payloadMemory;
// }
// set
// {
// _payloadMemory = value;
// _isInitPayloadMemory = true;
// }
//}
/// <summary>
/// Provide SHA256 hash of the payload. If null, the hash is calculated by internal logic
/// </summary>
public byte[]? PayloadHash { get; set; }
/// <summary>
/// Applied only for the last Object in chain in case of manual multipart uploading
/// </summary>
/// <param name="largeObject">Parent for multipart object</param>
public void SetParent(FrostFsObjectHeader largeObjectHeader)
{
if (Header?.Split == null)
throw new ArgumentNullException(nameof(largeObjectHeader), "Split value must not be null");
Header.Split.ParentHeader = largeObjectHeader;
}
}