/// <summary>
/// 删除指定编号的记录
/// </summary>
/// <param name="id"> 实体记录编号 </param>
/// <param name="isSave"> 是否执行保存 </param>
/// <returns> 操作影响的行数 </returns>
public virtual async Task <int> DeleteAsync(object id, bool isSave = true)
{
PublicHelper.CheckArgument(id, "id");
TEntity entity = UnitOfWorkContext.Set <TEntity>().Find(id);
return(entity != null ? await SaveAsync() : 0);
}
/// <summary>
/// 删除指定编号的记录
/// </summary>
/// <param name="id"> 实体记录编号 </param>
/// <param name="isSave"> 是否执行保存 </param>
/// <returns> 操作影响的行数 </returns>
public virtual int Delete(object id, bool isSave = true)
{
PublicHelper.CheckArgument(id, "id");
TEntity entity = UnitOfWorkContext.Set <TEntity>().Find(id);
return(entity != null?Delete(entity, isSave) : 0);
}
public virtual int Update(Expression <Func <TEntity, object> > propertyExpression, bool isSave = true, params TEntity[] entities)
{
UnitOfWorkContext.RegisterModified(propertyExpression, entities);
if (!isSave)
{
return(0);
}
var dbSet = UnitOfWorkContext.Set <TEntity>();
dbSet.Local.Clear();
foreach (var entity in entities)
{
UnitOfWorkContext.Entry(entity).State = EntityState.Modified;
}
return(UnitOfWorkContext.Commit());
}
/// <summary>
/// 查找指定主键的实体记录
/// </summary>
/// <param name="key"> 指定主键 </param>
/// <returns> 符合编号的记录，不存在返回null </returns>
public virtual TEntity Query(object key)
{
PublicHelper.CheckArgument(key, "key");
return(UnitOfWorkContext.Set <TEntity>().Find(key));
}
/// <summary>
/// 查找指定主键的实体记录
/// </summary>
/// <param name="key"> 指定主键 </param>
/// <returns> 符合编号的记录，不存在返回null </returns>
public virtual async Task <TEntity> QueryAsync(object key)
{
PublicHelper.CheckArgument(key, "key");
return(await UnitOfWorkContext.Set <TEntity>().FindAsync(key));
}
public GenericRepository(UnitOfWorkContext _context)
{
context = _context;
dbSet = context.Set <T>();
}
public virtual TEntity GetById(object id, bool getDeleted = false)
{
return(UnitOfWorkContext.Set <TEntity>().FirstOrDefault(AppendSofeDeletedExpr(x => x.Id == id, getDeleted)));
}
public virtual int Delete(Expression <Func <TEntity, bool> > predicate, bool isSave = true)
{
var entities = UnitOfWorkContext.Set <TEntity>().Where(predicate).ToList();
return(entities.Count > 0 ? Delete(entities, isSave) : 0);
}
public virtual int Delete(object id, bool isSave = true)
{
var entity = UnitOfWorkContext.Set <TEntity>().Find(id);
return(entity != null?Delete(entity, isSave) : 0);
}