private static object GetObjectKey(EntityMap entityMap, object entityObject, bool isPersisted)
{
FieldMap[] keyFields = entityMap.KeyFields;
// Paul Welter (http://www.LoreSoft.com) -- allow inserts by using all columns as key
if (keyFields.Length == 0 || entityMap.KeyType == KeyType.None)
{
keyFields = entityMap.Fields;
}
object[] keyArray = new object[keyFields.Length];
for (int index = 0; index < keyFields.Length; index++)
{
string keyMember = keyFields[index].Member;
object keyValue = GetMember(entityMap, entityObject, keyMember);
if (entityMap.KeyType == KeyType.None && keyValue == null)
{
keyValue = string.Empty;
}
if (EntityKey.IsNull(keyValue, isPersisted))
{
switch (entityMap.KeyType)
{
case KeyType.Auto: keyValue = EntityKey.GetAutoKey(keyValue, entityMap.Type); break;
case KeyType.Guid: keyValue = EntityKey.GetGuidKey(keyValue is Guid); break;
default: throw new ORMapperException("ObjectSpace: Entity Object is missing Key - " + entityMap.Type);
}
if (entityMap.HasHelper)
{
((IObjectHelper)entityObject)[keyMember] = keyValue;
}
else
{
if (entityMap.Member(keyMember) is FieldInfo)
{
(entityMap.Member(keyMember) as FieldInfo).SetValue(entityObject, keyValue);
}
else
{
(entityMap.Member(keyMember) as PropertyInfo).SetValue(entityObject, keyValue, null);
}
}
}
keyArray[index] = keyValue;
}
if (keyArray.Length == 1)
{
return(keyArray[0]);
}
else
{
return(keyArray);
}
}