Hikari 1.3.0

There is a newer version of this package available.
See the version list below for details.
dotnet add package Hikari --version 1.3.0                
NuGet\Install-Package Hikari -Version 1.3.0                
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="Hikari" Version="1.3.0" />                
For projects that support PackageReference, copy this XML node into the project file to reference the package.
paket add Hikari --version 1.3.0                
#r "nuget: Hikari, 1.3.0"                
#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 Hikari as a Cake Addin
#addin nuget:?package=Hikari&version=1.3.0

// Install Hikari as a Cake Tool
#tool nuget:?package=Hikari&version=1.3.0                

HiKari使用说明

程序初始化

使用配置类

      HikariConfig hikariConfig = new HikariConfig();
                   hikariConfig.DBType = "PostgreSQL";
                   hikariConfig.ConnectString = "Server = 127.0.0.1; Port = 5432; User Id = postgres; Password = 1234; Database =      postgres;Pooling=true; ";
                   hikariConfig.DriverDir = "DBDrivers";
                   hikariConfig.DriverDLL = "XXXX.dll";
                   hikariConfig.DBTypeXml = "DBType.xml";
      HikariDataSource hikariDataSource = new HikariDataSource(hikariConfig);

直接使用:

  HikariDataSource hikariDataSource = new HikariDataSource();
                   hikariDataSource.DBType = "PostgreSQL";
                   hikariDataSource.ConnectString = "Server = 127.0.0.1; Port = 5432; User Id = postgres; Password = 1234; Database = postgres;Pooling=true; ";
                   hikariDataSource.DriverDir = "DBDrivers";
                   hikariDataSource.DriverDLL = "XXXX.dll";
                   hikariDataSource.DBTypeXml = "DBType.xml";

配置文件(推荐方式):

HikariConfig hikariConfig = new HikariConfig();
hikariConfig.LoadConfig("Hikari.txt");
HikariDataSource hikariDataSource = new HikariDataSource(hikariConfig);

使用连接 hikariDataSource.GetConnection();

配置文件说明

1.连接字符串必须要
2.驱动目录DriverDir项不配置则使用默认drivers目录
3.关于驱动dll有2种:
(1)直接在配置文件中配置DriverDLL项,这个时候不需要DBType配置项
(2)DBType项和DBType.xml结合使用,这时不需要单独在每个连接配置中配置DriverDLL。
这个时候连接池查找dll的方式:
1>DBType配置是默认的4类,则无需DBType.xml来查找dll文件名称。
2>DBType配置不是默认的4类,则需要BType.xml中的配置来获取DLL文件名称。因为程序不知道dll.
其实这2种就是分散与汇总的区别。有的习惯每个配置文件配置dll,方便监测;有的习惯写在一起,方便管理。看自己情况。
DBType程序中写死了4种,见附录。
DBType.xml我称为全局配置文件,读取时的配置路径和名称可以设置HikariConfig或者HikariDataSource的DBTypeXml属性进行修改;默认就是DBType.xml

升级内容

2018-12-13
1.优化加载,对全局配置文件DBType.xml和默认项进行检查,已经加载过的就不加载了。
2.新增连接池管理。可以同时启用多个连接池。连接池使用和以前一样。但是可以同时使用多个。根据配置文件名称来获取不同的连接池连接。只是这个时候只能能够使用配置文件,而不能在使用配置类了。
连接池管理类:ManagerPool
ManagerPool获取连接时传入一个名称(配置文件名称)来获取连接,这时不同的配置名称就意味着不同的连接池。
另外该类提供了驱动目录和全局配置设置。方便把多个连接池使用到的所以DLL放在一起方便管理。连接池管理类不会覆盖已经在各个连接池配置文件配置的DriverDir目录,但是DBTypeXml属性会覆盖,只能有个,并且在连接池管理类中设置。
同时提供了使用的连接管理,该管理根据获取连接的线程保存连接对象。如果设置了线程关闭,同一个线程获取新连接,则以前的连接将会关闭。你也可以在获取的连接的线程中再次获取该对象。

2018-12-31
增加SqlServer连接从运行时环境中加载。因为sqlserver的驱动连接包含在.NET类库中(System.Data.dll),所以加载了一次运行时环境。 如果你没有提供该dll在驱动目录中,根据DBType或者dll名称判断是SqlServer连接,则会去查找一次.NET按照目录获取客户端驱动。


连接池管理类:连接池管理中的配置文件名称进行了修改。除非是默认枚举名称Hikari没有变,如果你使用了名称,则会自动添加_Hikari。文件类型变成了cfg。例如:使用MySql,那么配置文件应该是MySql_Hikari.cfg.添加后缀的主要原因是其它一些数据库配置组件也使用配置文件,能够全部放在一个目录下。毕竟使用连接池管理,配置文件需要一定规律查找。如果不愿意只需改变管理类中的文件名称查找,很简单。

连接池管理管理类使用: 例如:配置文件MySql_HiKari.cfg
ManagerPool.Instance.GetDbConnection(MySql);


源码简说

基本内容

HikariDataSource 对外提供连接
HikariConfig 对外配置
HikariPool 管理操作集合,连接来源
PoolBase 操作驱动连接,是HikariPool父类

新增扩展内容

2018-12-13
ManagerPool 线程池管理类,根据名称提供多线程连接

2018-12-32
增加SqlServer连接从运行时环境中加载。因为sqlserver的驱动连接包含在.NET类库中,所以加载了一次运行时环境。 如果你使用没有提供。根据DBType或者dll名称判断是SqlServer连接,则会去查找一次.NET按照目录获取客户端驱动。

附录

数据库 Dll名称 说明
Oracle Oracle.ManagedDataAccess 以前不是这个dll
MySql MySql.Data
SqlServer System
PostgreSQL Npgsql
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NuGet packages (1)

Showing the top 1 NuGet packages that depend on Hikari:

Package Downloads
HikariAPI

提供Hikari实现ORM;完善配置文件方式,各类参数执行,支持匿名类使用;扩展字符串类实现直接SQL参数化语句使用方法调用,SQLParameterExtension类

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