添加项目文件。

Entities/Context/UnitOfWork/IUnitOfWork.cs

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+
+
+namespace SharedDATA.Api
+{
+    using System;
+    using System.Linq;
+    using System.Threading.Tasks;
+    using Microsoft.EntityFrameworkCore;
+    using Microsoft.EntityFrameworkCore.ChangeTracking;
+
+    /// <summary>
+    /// Defines the interface(s) for unit of work.
+    /// </summary>
+    public interface IUnitOfWork : IDisposable
+    {
+
+        /// <summary>
+        /// Changes the database name. This require the databases in the same machine. NOTE: This only work for MySQL right now.
+        /// </summary>
+        /// <param name="database">The database name.</param>
+        /// <remarks>
+        /// This only been used for supporting multiple databases in the same model. This require the databases in the same machine.
+        /// </remarks>
+        void ChangeDatabase(string database);
+
+        /// <summary>
+        /// Gets the specified repository for the <typeparamref name="TEntity"/>.
+        /// </summary>
+        /// <param name="hasCustomRepository"><c>True</c> if providing custom repositry</param>
+        /// <typeparam name="TEntity">The type of the entity.</typeparam>
+        /// <returns>An instance of type inherited from <see cref="IRepository{TEntity}"/> interface.</returns>
+        IRepository<TEntity> GetRepository<TEntity>(bool hasCustomRepository = false) where TEntity : class;
+
+        /// <summary>
+        /// Gets the db context.
+        /// </summary>
+        /// <returns></returns>
+        TContext GetDbContext<TContext>() where TContext : DbContext;
+
+        /// <summary>
+        /// Saves all changes made in this context to the database.
+        /// </summary>
+        /// <param name="ensureAutoHistory"><c>True</c> if sayve changes ensure auto record the change history.</param>
+        /// <returns>The number of state entries written to the database.</returns>
+        int SaveChanges(bool ensureAutoHistory = false);
+
+        /// <summary>
+        /// Asynchronously saves all changes made in this unit of work to the database.
+        /// </summary>
+        /// <param name="ensureAutoHistory"><c>True</c> if save changes ensure auto record the change history.</param>
+        /// <returns>A <see cref="Task{TResult}"/> that represents the asynchronous save operation. The task result contains the number of state entities written to database.</returns>
+        Task<int> SaveChangesAsync(bool ensureAutoHistory = false);
+
+        /// <summary>
+        /// Executes the specified raw SQL command.
+        /// </summary>
+        /// <param name="sql">The raw SQL.</param>
+        /// <param name="parameters">The parameters.</param>
+        /// <returns>The number of state entities written to database.</returns>
+        int ExecuteSqlCommand(string sql, params object[] parameters);
+
+        /// <summary>
+        /// Uses raw SQL queries to fetch the specified <typeparamref name="TEntity"/> data.
+        /// </summary>
+        /// <typeparam name="TEntity">The type of the entity.</typeparam>
+        /// <param name="sql">The raw SQL.</param>
+        /// <param name="parameters">The parameters.</param>
+        /// <returns>An <see cref="IQueryable{T}"/> that contains elements that satisfy the condition specified by raw SQL.</returns>
+        IQueryable<TEntity> FromSql<TEntity>(string sql, params object[] parameters) where TEntity : class;
+
+        /// <summary>
+        /// Uses TrakGrap Api to attach disconnected entities
+        /// </summary>
+        /// <param name="rootEntity"> Root entity</param>
+        /// <param name="callback">Delegate to convert Object's State properities to Entities entry state.</param>
+        void TrackGraph(object rootEntity, Action<EntityEntryGraphNode> callback);
+    }
+}