anonymous_namespace{cluster_metadata_instance_attributes.cc} Namespace Reference

Functions
stdx::expected< std::optional< std::string >, std::string >	get_string_attribute (const std::string_view &attributes, const std::string_view &name)
	Returns value for the string field set in the attributes. More...
stdx::expected< bool, std::string >	get_bool_tag (const std::string_view &attributes, const std::string_view &name, bool default_value)
	Returns value for the boolean field set in the attributes. More...

Function Documentation

get_bool_tag()

stdx::expected< bool, std::string > anonymous_namespace{cluster_metadata_instance_attributes.cc}::get_bool_tag	(	const std::string_view &	attributes,
		const std::string_view &	name,
		bool	default_value
	)

Returns value for the boolean field set in the attributes.

Parameters

attributes	string containing JSON with the attributes
name	name of the field to be fetched
default_value	value to be returned in case the given attribute is not present in the JSON

Return values

value	of the attribute JSON field as boolean
std::nullptr	if the given field is missing
error	message if reading attribute from JSON failed.

get_string_attribute()

stdx::expected< std::optional< std::string >, std::string > anonymous_namespace{cluster_metadata_instance_attributes.cc}::get_string_attribute	(	const std::string_view &	attributes,
		const std::string_view &	name
	)

Returns value for the string field set in the attributes.

Parameters

attributes	string containing JSON with the attributes
name	name of the field to be fetched

Return values

value	of the attribute JSON field as string
std::nullptr	if the given field is missing
error	message if reading attribute from JSON failed.