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#18826: Preventing shared references to repository collections

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Stanley Goldman
2014-09-28 15:16:43 -04:00
parent abed55164d
commit a40bbbab51
1 changed files with 22 additions and 0 deletions
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22
src/Orchard/Data/Repository.cs
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@@ -1,4 +1,5 @@
using System;
using System.Collections;
using System.Collections.Generic;
using System.Linq;
using System.Linq.Expressions;
@@ -111,6 +112,27 @@ namespace Orchard.Data {
Logger.Debug("Copy {0} {1}", source, target);
var metadata = Session.SessionFactory.GetClassMetadata(typeof (T));
var values = metadata.GetPropertyValues(source, EntityMode.Poco);
for (var index = 0; index < values.Length; index++) {
var value = values[index];
if (value == null)
continue;
var type = value.GetType();
var isGenericList = type.GetInterfaces()
.Where(i => i.IsGenericType)
.Any(i => i.GetGenericTypeDefinition() == typeof(IList<>));
if(!isGenericList)
continue;
var genericType = type.GetGenericArguments().First();
var makeGenericType = typeof (List<>).MakeGenericType(new[] {genericType});
var listValues = ((IList)value);
values[index] = Activator.CreateInstance(makeGenericType, new[] { listValues });
}
metadata.SetPropertyValues(target, values, EntityMode.Poco);
}