/// <summary>
/// 添加（批量）
/// </summary>
/// <param name="entities">实体</param>
/// <param name="tran">事务</param>
public virtual void AddList(IEnumerable <T> entities, IUnitTransaction tran)
{
tran.Register(() =>
{
DbSet.AddRange(entities);
return(SaveChanges());
}, Context);
}
/// <summary>
/// 修改
/// </summary>
/// <param name="entity">实体</param>
/// <param name="tran">事务</param>
public virtual void Update(T entity, IUnitTransaction tran)
{
tran.Register(() =>
{
DbSet.Update(entity);
return(SaveChanges());
}, Context);
}
/// <summary>
/// 批量删除
/// </summary>
/// <param name="predicate">条件</param>
/// <param name="tran">事务</param>
public virtual void BulkDelete(Expression <Func <T, bool> > predicate, IUnitTransaction tran)
{
tran.Register(() =>
{
var entities = DbSet
.Where(predicate)
.ToList();
Context.BulkDelete(entities);
return(SaveChanges());
}, Context);
}
private void Dispose(bool disposing)
{
if (!disposed && disposing)
{
transaction?.Dispose();
transaction = null;
context.Dispose();
}
disposed = true;
}
public void DeleteGraph()
{
using (IUnitOfWork work = ServiceLocator.Current.GetInstance <IUnitOfWork>())
using (IUnitTransaction transaction = work.Transaction)
{
IGenericDataContext <Edge> edgeRepository = work.GetGenericRepository <Edge>();
IGenericDataContext <Node> nodeRepository = work.GetGenericRepository <Node>();
edgeRepository.Entities.RemoveRange(edgeRepository.Entities);
nodeRepository.Entities.RemoveRange(nodeRepository.Entities);
transaction.Commit();
work.Save();
}
}
public void SaveGraph(IList <Node> nodes)
{
using (IUnitOfWork work = ServiceLocator.Current.GetInstance <IUnitOfWork>())
using (IUnitTransaction transaction = work.Transaction)
{
IGenericDataContext <Node> nodeRepository = work.GetGenericRepository <Node>();
IGenericDataContext <Edge> edgeRepository = work.GetGenericRepository <Edge>();
foreach (Node node in nodes)
{
nodeRepository.Insert(node);
foreach (Edge edge in node.OutEdges)
{
edgeRepository.Insert(edge);
}
}
transaction.Commit();
work.Save();
}
}
/// <summary>
/// 添加
/// </summary>
/// <param name="entity">实体</param>
/// <param name="predicate">条件</param>
/// <param name="tran">事务</param>
public virtual void AddIfNotExists(T entity, Expression <Func <T, bool> > predicate, IUnitTransaction tran)
{
tran.Register(() =>
{
var data = DbSet.Where(predicate).FirstOrDefault();
if (data == null)
{
DbSet.Add(entity);
}
return(SaveChanges());
}, Context);
}
