public static bool IsMarkedAsParentContext(this FieldDef entityFieldDef)
{
if (entityFieldDef.DataType != DataType.Entity)
{
throw new ArgumentException("Field must be an entity field in order to mark as parent context");
}
// Parent context is stored as an implicit cascade on the embedded entity
// The parent of the cascade is the parent entity, the child of the cascade is the embedded entity
// The field that contains the cascade is not stored
if (entityFieldDef.Parent is EntityDef)
{
var parentEntityDef = (EntityDef)entityFieldDef.Parent;
if (parentEntityDef == null)
{
throw new ArgumentException(
"Field must be added to an entity before is can be marked as parent context");
}
var childEntityDef = entityFieldDef.GetRuleApp().Entities[entityFieldDef.DataTypeEntityName];
if (childEntityDef == null)
{
throw new ArgumentException("Entity type '" + entityFieldDef.DataTypeEntityName +
"' could not be found. In order to create a parent context relationship, the entity type of the field must be a valid entity name");
}
return(childEntityDef.CascadedReferences.Any(
r => r.IsImplicit && r.ParentId == parentEntityDef.Guid && r.ChildId == childEntityDef.Guid));
}
return(false);
}
