Open.Database.Extensions/Source/Core/IExecuteCommand.cs at master · Open-NET-Libraries/Open.Database.Extensions · GitHub

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namespace Open.Database.Extensions;

/// <summary>
/// Common interface used for expressive commands.
/// </summary>
public interface IExecuteCommand
{
	/// <summary>
	/// Executes a reader on a command with a handler function.
	/// </summary>
	/// <param name="action">The handler function for each IDataRecord.</param>
	void Execute(Action<IDbCommand> action);

	/// <summary>
	/// Executes a reader on a command with a transform function.
	/// </summary>
	/// <typeparam name="T">The return type of the transform function.</typeparam>
	/// <param name="transform">The transform function for each IDataRecord.</param>
	/// <returns>The result of the transform.</returns>
	T Execute<T>(Func<IDbCommand, T> transform);

	/// <summary>
	/// Asynchronously executes a reader on a command with a handler function.
	/// </summary>
	/// <param name="handler">The handler function for each IDataRecord.</param>
	ValueTask ExecuteAsync(Func<IDbCommand, ValueTask> handler);

	/// <summary>
	/// Asynchronously executes a reader on a command with a transform function.
	/// </summary>
	/// <typeparam name="T">The return type of the transform function.</typeparam>
	/// <param name="transform">The transform function for each IDataRecord.</param>
	/// <returns>The result of the transform.</returns>
	ValueTask<T> ExecuteAsync<T>(Func<IDbCommand, ValueTask<T>> transform);
}

/// <summary>
/// Common interface used for expressive commands.
/// </summary>
public interface IExecuteCommand<out TCommand> : IExecuteCommand
	where TCommand : IDbCommand
{
	/// <summary>
	/// Executes a reader on a command with a handler function.
	/// </summary>
	/// <param name="action">The handler function for each IDataRecord.</param>
	void Execute(Action<TCommand> action);

	/// <summary>
	/// Executes a reader on a command with a transform function.
	/// </summary>
	/// <typeparam name="T">The return type of the transform function.</typeparam>
	/// <param name="transform">The transform function for each IDataRecord.</param>
	/// <returns>The result of the transform.</returns>
	T Execute<T>(Func<TCommand, T> transform);

	/// <summary>
	/// Asynchronously executes a reader on a command with a handler function.
	/// </summary>
	/// <param name="handler">The handler function for each IDataRecord.</param>
	ValueTask ExecuteAsync(Func<TCommand, ValueTask> handler);

	/// <summary>
	/// Asynchronously executes a reader on a command with a transform function.
	/// </summary>
	/// <typeparam name="T">The return type of the transform function.</typeparam>
	/// <param name="transform">The transform function for each IDataRecord.</param>
	/// <returns>The result of the transform.</returns>
	ValueTask<T> ExecuteAsync<T>(Func<TCommand, ValueTask<T>> transform);
}