common.MetricKind */ class MetricKind { /** * Incrementing counters that never decrease (these are not reset on each * reading). * * Generated from protobuf enum COUNTER = 0; */ const COUNTER = 0; /** * Counters that do get reset upon reading. * * Generated from protobuf enum ABSOLUTE = 1; */ const ABSOLUTE = 1; /** * E.g. a temperature value. * * Generated from protobuf enum GAUGE = 2; */ const GAUGE = 2; private static $valueToName = [ self::COUNTER => 'COUNTER', self::ABSOLUTE => 'ABSOLUTE', self::GAUGE => 'GAUGE', ]; public static function name($value) { if (!isset(self::$valueToName[$value])) { throw new UnexpectedValueException(sprintf( 'Enum %s has no name defined for value %s', __CLASS__, $value)); } return self::$valueToName[$value]; } public static function value($name) { $const = __CLASS__ . '::' . strtoupper($name); if (!defined($const)) { throw new UnexpectedValueException(sprintf( 'Enum %s has no value defined for name %s', __CLASS__, $name)); } return constant($const); } }