/// <summary>
/// Initialize a new instance of the <see cref="ObjectReference"/> class using a data object.
/// </summary>
/// <remarks>This constructor should be used when the given <see cref="objectValue"/> has no mode node yet existing.</remarks>
/// <param name="objectValue">A data object to reference. Can be null.</param>
/// <param name="objectType">The type of data object to reference.</param>
/// <param name="index">The index of this reference in its parent reference, if it is a <see cref="ReferenceEnumerable"/>.</param>
internal ObjectReference(object objectValue, Type objectType, object index)
{
Reference.CheckReferenceCreationSafeGuard();
if (objectType == null)
{
throw new ArgumentNullException(nameof(objectType));
}
if (objectValue != null && !objectType.IsInstanceOfType(objectValue))
{
throw new ArgumentException(@"The given type does not match the given object.", nameof(objectValue));
}
orphanObject = objectValue;
Type = objectType;
Index = index;
}
internal ReferenceEnumerable(IEnumerable enumerable, Type enumerableType)
{
Reference.CheckReferenceCreationSafeGuard();
ObjectValue = enumerable;
if (enumerableType.HasInterface(typeof(IDictionary <,>)))
{
ElementType = enumerableType.GetInterface(typeof(IDictionary <,>)).GetGenericArguments()[1];
}
else if (enumerableType.HasInterface(typeof(IEnumerable <>)))
{
ElementType = enumerableType.GetInterface(typeof(IEnumerable <>)).GetGenericArguments()[0];
}
else
{
ElementType = typeof(object);
}
}
internal ReferenceEnumerable(IEnumerable enumerable, Type enumerableType, object index)
{
Reference.CheckReferenceCreationSafeGuard();
Type = enumerableType;
Index = index;
if (enumerableType.HasInterface(typeof(IDictionary <,>)))
{
elementType = enumerableType.GetInterface(typeof(IDictionary <,>)).GetGenericArguments()[1];
}
else if (enumerableType.HasInterface(typeof(IEnumerable <>)))
{
elementType = enumerableType.GetInterface(typeof(IEnumerable <>)).GetGenericArguments()[0];
}
else
{
elementType = typeof(object);
}
Refresh(enumerable);
}
