ValueType Object::get_property_value_impl(ContextType& ctx, const Property &property)
{
verify_attached();
size_t column = property.table_column;
if (is_nullable(property.type) && m_row.is_null(column))
return ctx.null_value();
if (is_array(property.type) && property.type != PropertyType::LinkingObjects)
return ctx.box(List(m_realm, *m_row.get_table(), column, m_row.get_index()));
switch (property.type & ~PropertyType::Flags) {
case PropertyType::Bool: return ctx.box(m_row.get_bool(column));
case PropertyType::Int: return ctx.box(m_row.get_int(column));
case PropertyType::Float: return ctx.box(m_row.get_float(column));
case PropertyType::Double: return ctx.box(m_row.get_double(column));
case PropertyType::String: return ctx.box(m_row.get_string(column));
case PropertyType::Data: return ctx.box(m_row.get_binary(column));
case PropertyType::Date: return ctx.box(m_row.get_timestamp(column));
case PropertyType::Any: return ctx.box(m_row.get_mixed(column));
case PropertyType::Object: {
auto linkObjectSchema = m_realm->schema().find(property.object_type);
TableRef table = ObjectStore::table_for_object_type(m_realm->read_group(), property.object_type);
return ctx.box(Object(m_realm, *linkObjectSchema, table->get(m_row.get_link(column))));
}
case PropertyType::LinkingObjects: {
auto target_object_schema = m_realm->schema().find(property.object_type);
auto link_property = target_object_schema->property_for_name(property.link_origin_property_name);
TableRef table = ObjectStore::table_for_object_type(m_realm->read_group(), target_object_schema->name);
auto tv = m_row.get_table()->get_backlink_view(m_row.get_index(), table.get(), link_property->table_column);
return ctx.box(Results(m_realm, std::move(tv)));
}
default: REALM_UNREACHABLE();
}
}
void Object::set_property_value(ContextType& ctx, StringData prop_name, ValueType value, bool try_update)
{
verify_attached();
m_realm->verify_in_write();
auto& property = property_for_name(prop_name);
// Modifying primary keys is allowed in migrations to make it possible to
// add a new primary key to a type (or change the property type), but it
// is otherwise considered the immutable identity of the row
if (property.is_primary && !m_realm->is_in_migration())
throw std::logic_error("Cannot modify primary key after creation");
set_property_value_impl(ctx, property, value, try_update);
}
ValueType Object::get_property_value(ContextType& ctx, StringData prop_name)
{
return get_property_value_impl<ValueType>(ctx, property_for_name(prop_name));
}
const Property *primary_key_property() const {
return property_for_name(primary_key);
}