/// <summary>
/// This API supports the Entity Framework Core infrastructure and is not intended to be used
/// directly from your code. This API may change or be removed in future releases.
/// </summary>
public virtual IDependentsMap GetDependentsMap(IForeignKey foreignKey)
{
if (_dependentMaps == null)
{
_dependentMaps = new Dictionary <IForeignKey, IDependentsMap>(ReferenceEqualityComparer.Instance);
}
if (!_dependentMaps.TryGetValue(foreignKey, out var map))
{
map = foreignKey.CreateDependentsMapFactory();
foreach (var value in _identityMap.Values)
{
map.Add(value);
}
_dependentMaps[foreignKey] = map;
}
return(map);
}