using System;
using System.Collections.Generic;
using System.Data;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace brecal.model
{
    public interface IDBManager
    {

        delegate List<DbEntity> LoadFunc<T>(T entity);

        delegate void QueryFunc(IDbCommand cmd, params object?[] args);

        Task<List<DbEntity>> Load(QueryFunc prepareAction, LoadFunc<IDataReader> loadAction, params object?[] args);

        Task<object?> ExecuteScalar(Action<IDbCommand> prepareAction);

        Task<int> ExecuteNonQuery(Action<IDbCommand> prepareAction);

    }
}