public object Clone()
{
InMemoryEntitySetDictionary inMemoryEntitySetDictionaryClone = new InMemoryEntitySetDictionary();
foreach (Type t in this.Keys)
{
IList newList = this.CloneList(this[t], t, this.GetTypes());
inMemoryEntitySetDictionaryClone.Add(t, newList);
}
this.HookupRelationshipsInClone(inMemoryEntitySetDictionaryClone, this.GetTypes());
return(inMemoryEntitySetDictionaryClone);
}
private void HookupRelationshipsInClone(InMemoryEntitySetDictionary dictionary, Type[] entityTypesToHookup)
{
foreach (Type t in dictionary.Keys)
{
IList clonedList = dictionary[t];
IList originalList = this[t];
for (int i = 0; i < clonedList.Count; i++)
{
FixupEntityObject(originalList[i], clonedList[i], dictionary, entityTypesToHookup);
}
}
}
public InMemoryEntitySetDictionary InitializeEntitySetDictionary()
{
//Create List of t's with the correct types
InMemoryEntitySetDictionary inMemoryDictionary = new InMemoryEntitySetDictionary();
foreach (PropertyInfo info in this.GetType().GetProperties())
{
if (typeof(IQueryable).IsAssignableFrom(info.PropertyType))
{
Type t = info.PropertyType.GetGenericArguments()[0];
IList list = (IList)InMemoryEntitySetDictionary.CreateGeneric(typeof(List <>), t, null);
inMemoryDictionary.Add(t, list);
}
}
return(inMemoryDictionary);
}
private void FixupEntityObject(object original, object cloned, InMemoryEntitySetDictionary dictionary, Type[] entityTypesToHookup)
{
//Reference properties
foreach (PropertyInfo pi in original.GetType().GetProperties(BindingFlags.Instance | BindingFlags.Public).Where(p => entityTypesToHookup.Contains(p.PropertyType)))
{
IList list = dictionary.GetEntitySet(pi.PropertyType);
object originalLinkedObject = pi.GetValue(original, null);
object clonedLinkedObject = null;
if (originalLinkedObject != null)
{
var key = InMemoryContext.GetKeyValues(originalLinkedObject);
List <string> failedKeys = new List <string>();
foreach (object o in list)
{
var otherKey = InMemoryContext.GetKeyValues(o);
if (InMemoryContext.EqualPropertyValues(key, otherKey))
{
clonedLinkedObject = o;
}
else
{
failedKeys.Add(InMemoryContext.KeyToString(otherKey));
}
}
if (clonedLinkedObject == null)
{
throw new ApplicationException(String.Format(
"Unable to find linked object with key '{0}' for reference property '{1}'. Other keys were: {2}",
InMemoryContext.KeyToString(key), pi.Name, string.Join(", ", failedKeys.ToArray())));
}
pi.SetValue(cloned, clonedLinkedObject, null);
}
}
//Fix up for lists
foreach (PropertyInfo pi in original.GetType().GetProperties(BindingFlags.Instance | BindingFlags.Public).Where(p => p.PropertyType.Name.Contains("List")))
{
Type t = pi.PropertyType.GetGenericArguments()[0];
IList list = dictionary.GetEntitySet(t);
IList originalListLinkedObject = (IList)pi.GetValue(original, null);
IList clonedListLinkedObject = (IList)CreateGeneric(typeof(List <>), t, null);
foreach (object originalItemInList in originalListLinkedObject)
{
object clonedLinkedObject = null;
foreach (object o in list)
{
if (InMemoryContext.EqualKeys(o, originalItemInList))
{
clonedLinkedObject = o;
}
}
if (clonedLinkedObject == null)
{
throw new ApplicationException("Unable to find linked object for collection property '" + pi.Name + "'");
}
clonedListLinkedObject.Add(clonedLinkedObject);
}
pi.SetValue(cloned, clonedListLinkedObject, null);
}
}
