/// <summary />
protected override void Dispose(bool disposing)
{
QueryPreCache.RemoveAll(InstanceKey);
base.Dispose(disposing);
}
/// <summary>
/// Persists all updates to the data source and resets change tracking in the object context.
/// </summary>
/// <returns>The number of objects in an System.Data.Entity.EntityState.Added, System.Data.Entity.EntityState.Modified, or System.Data.Entity.EntityState.Deleted state when System.Data.Objects.ObjectContext.SaveChanges() was called.</returns>
public override int SaveChanges()
{
var cancel = false;
OnBeforeSaveChanges(ref cancel);
if (cancel)
{
return(0);
}
//Get the added list
var addedList = this.ObjectContext.ObjectStateManager.GetObjectStateEntries(System.Data.Entity.EntityState.Added);
var markedTime = System.DateTime.Now;
//Process added list
foreach (var item in addedList)
{
var entity = item.Entity as IAuditable;
if (entity != null)
{
var audit = entity as IAuditableSet;
if (entity.IsModifyAuditImplemented && entity.ModifiedBy != this.ContextStartup.Modifer)
{
if (audit != null)
{
audit.ResetCreatedBy(this.ContextStartup.Modifer);
}
if (audit != null)
{
audit.ResetModifiedBy(this.ContextStartup.Modifer);
}
}
audit.CreatedDate = markedTime;
audit.ModifiedDate = markedTime;
}
}
this.OnBeforeSaveAddedEntity(new EventArguments.EntityListEventArgs {
List = addedList
});
//Process modified list
var modifiedList = this.ObjectContext.ObjectStateManager.GetObjectStateEntries(System.Data.Entity.EntityState.Modified);
foreach (var item in modifiedList)
{
var entity = item.Entity as IAuditable;
if (entity != null)
{
var audit = entity as IAuditableSet;
if (entity.IsModifyAuditImplemented && entity.ModifiedBy != this.ContextStartup.Modifer)
{
if (audit != null)
{
audit.ResetModifiedBy(this.ContextStartup.Modifer);
}
}
audit.ModifiedDate = markedTime;
}
}
this.OnBeforeSaveModifiedEntity(new EventArguments.EntityListEventArgs {
List = modifiedList
});
var retval = 0;
DbContextTransaction customTrans = null;
try
{
_paramList.Clear();
if (base.Database.CurrentTransaction == null)
{
customTrans = base.Database.BeginTransaction();
}
retval += QueryPreCache.ExecuteDeletes(this);
retval += base.SaveChanges();
retval += QueryPreCache.ExecuteUpdates(this);
if (customTrans != null)
{
customTrans.Commit();
}
}
catch (System.Data.Entity.Validation.DbEntityValidationException ex)
{
var sb = new System.Text.StringBuilder();
foreach (var error in ex.EntityValidationErrors)
{
foreach (var validationError in error.ValidationErrors)
{
sb.AppendLine(validationError.PropertyName + ": " + validationError.ErrorMessage);
}
}
throw new System.Data.Entity.Validation.DbEntityValidationException(sb.ToString(), ex.EntityValidationErrors);
}
catch
{
throw;
}
finally
{
if (customTrans != null)
{
customTrans.Dispose();
}
}
this.OnAfterSaveAddedEntity(new EventArguments.EntityListEventArgs {
List = addedList
});
this.OnAfterSaveModifiedEntity(new EventArguments.EntityListEventArgs {
List = modifiedList
});
OnAfterSaveChanges();
return(retval);
}