/// <summary>
/// 创建数据库执行对象。
/// </summary>
/// <param name="provider">数据提供程序。</param>
/// <param name="connection">当前连接对象。</param>
/// <param name="contextOwnsConnection">当前数据上下文是否拥有连接对象。</param>
internal DatabaseExecutor(IDbAccessProvider provider, DbConnection connection, bool contextOwnsConnection)
{
_AccessProvider = provider;
_ProviderFactory = provider.Factory;
Connection = connection;
Connection.StateChange += ConnectionStateChange;
_ContextOwnsConnection = contextOwnsConnection;
}
/// <summary>
/// Initializes a new instance of the <see cref="DynamicDbFunction"/> class.
/// </summary>
/// <param name="dbAccessProvider">
/// The db Access Provider.
/// </param>
/// <param name="serviceLocator">
/// The service Locator.
/// </param>
public DynamicDbFunction(
[NotNull] IDbAccessProvider dbAccessProvider,
IServiceLocator serviceLocator)
{
this._dbAccessProvider = dbAccessProvider;
this._serviceLocator = serviceLocator;
this._queryProxy = new TryInvokeMemberProxy(this.InvokeQuery);
this._scalarProxy = new TryInvokeMemberProxy(this.InvokeScalar);
}
/// <summary>
/// 注册或替换数据库访问提供者。
/// </summary>
/// <param name="provider">提供者实例。</param>
public static void RegisterOrReplace(IDbAccessProvider provider)
{
_Providers.AddOrUpdate(provider.ProviderName.ToLower(), provider);
}
/// <summary>
/// Initializes a new instance of the <see cref="DynamicDbFunction"/> class.
/// </summary>
/// <param name="dbAccessProvider">
/// The db Access Provider.
/// </param>
/// <param name="dbSpecificFunctions">
/// The db Specific Functions.
/// </param>
public DynamicDbFunction([NotNull] IDbAccessProvider dbAccessProvider, IEnumerable<IDbSpecificFunction> dbSpecificFunctions)
{
this._dbAccessProvider = dbAccessProvider;
this._dbSpecificFunctions = dbSpecificFunctions;
this._getDataProxy = new TryInvokeMemberProxy(this.InvokeGetData);
this._getDataSetProxy = new TryInvokeMemberProxy(this.InvokeGetDataSet);
this._queryProxy = new TryInvokeMemberProxy(this.InvokeQuery);
this._scalarProxy = new TryInvokeMemberProxy(this.InvokeScalar);
}
