NScript.LiteDB.RocksDBExtention 6.0.5

There is a newer version of this package available.
See the version list below for details.
dotnet add package NScript.LiteDB.RocksDBExtention --version 6.0.5                
NuGet\Install-Package NScript.LiteDB.RocksDBExtention -Version 6.0.5                
This command is intended to be used within the Package Manager Console in Visual Studio, as it uses the NuGet module's version of Install-Package.
<PackageReference Include="NScript.LiteDB.RocksDBExtention" Version="6.0.5" />                
For projects that support PackageReference, copy this XML node into the project file to reference the package.
paket add NScript.LiteDB.RocksDBExtention --version 6.0.5                
#r "nuget: NScript.LiteDB.RocksDBExtention, 6.0.5"                
#r directive can be used in F# Interactive and Polyglot Notebooks. Copy this into the interactive tool or source code of the script to reference the package.
// Install NScript.LiteDB.RocksDBExtention as a Cake Addin
#addin nuget:?package=NScript.LiteDB.RocksDBExtention&version=6.0.5

// Install NScript.LiteDB.RocksDBExtention as a Cake Tool
#tool nuget:?package=NScript.LiteDB.RocksDBExtention&version=6.0.5                

NScript.LiteDB.RocksDBExtention

本库是 NScript.LiteDB.Utils 的扩展。LiteDB 存大量的文件数据时,性能比较底下,本扩展在 RocksDB 之上,提供了 RocksDBFileStorageService 类,实现了接口 RocksDBFileStorageService,提供了和 NScript.LiteDB.UtilsFileStorageService 相似的方式来存储文件。

可以指定存储的根目录。IFileStorageService 将在根目录下,根据文件名称的前 8 个字符,寻找相应的桶,进行相关的操作。通过 NextFileId 方法可以生成 [8字符日期+UUID+扩展名] 格式的文件名,这样存储时将按照日期分片保存。

IFileStorageService 接口定义为:

public interface IFileStorageService
{
    /// <summary>
    /// 生成下一个文件的 Id。文件名称为 8字符日期+UUID+扩展名
    /// </summary>
    /// <param name="fileExtention"></param>
    /// <returns></returns>
    public string NextFileId(String fileExtention = "");

    /// <summary>
    /// 删除文件
    /// </summary>
    /// <param name="fileId"></param>
    /// <returns></returns>
    public bool Delete(String fileId);

    /// <summary>
    /// 保存文件,返回文件 fileId
    /// </summary>
    /// <param name="data"></param>
    /// <param name="fileExtention"></param>
    /// <returns></returns>
    public String Save(Byte[] data, String fileExtention);

    /// <summary>
    /// 保存文件到指定 fileId
    /// </summary>
    /// <param name="fileId"></param>
    /// <param name="data"></param>
    /// <returns></returns>
    public bool Save(String fileId, Byte[] data);

    /// <summary>
    /// 根据文件Id查找文件
    /// </summary>
    /// <param name="fileId"></param>
    /// <returns></returns>
    public byte[]? Find(String fileId);
}

相关操作:

void TestRocksDBFileStorageService(String? dir = null)
{
    var storage = new RocksDBFileStorageService();
    if (dir != null) storage.BaseDir = dir;

    byte[] data = new byte[10];
    var fileId = storage.Save(data, ".dat");
    Console.WriteLine(fileId);
    var item = storage.Find(fileId);
    Console.WriteLine(item.Length);
    var rtn = storage.Delete(fileId);
    Console.WriteLine(rtn);
    item = storage.Find(fileId);
    if (item == null) Console.WriteLine("Delete OK!");
}
Product Compatible and additional computed target framework versions.
.NET net6.0 is compatible.  net6.0-android was computed.  net6.0-ios was computed.  net6.0-maccatalyst was computed.  net6.0-macos was computed.  net6.0-tvos was computed.  net6.0-windows was computed.  net7.0 was computed.  net7.0-android was computed.  net7.0-ios was computed.  net7.0-maccatalyst was computed.  net7.0-macos was computed.  net7.0-tvos was computed.  net7.0-windows was computed.  net8.0 was computed.  net8.0-android was computed.  net8.0-browser was computed.  net8.0-ios was computed.  net8.0-maccatalyst was computed.  net8.0-macos was computed.  net8.0-tvos was computed.  net8.0-windows was computed. 
Compatible target framework(s)
Included target framework(s) (in package)
Learn more about Target Frameworks and .NET Standard.

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Version Downloads Last updated
6.0.6 92 12/13/2024
6.0.5 83 12/10/2024
6.0.3 99 11/14/2024
6.0.2.2 141 4/15/2024
6.0.2.1 118 4/15/2024
6.0.2 118 4/15/2024