google.devtools.cloudtrace.v2.Span.SpanKind
*/
class SpanKind
{
/**
* Unspecified. Do NOT use as default.
* Implementations MAY assume SpanKind.INTERNAL to be default.
*
* Generated from protobuf enum SPAN_KIND_UNSPECIFIED = 0;
*/
const SPAN_KIND_UNSPECIFIED = 0;
/**
* Indicates that the span is used internally. Default value.
*
* Generated from protobuf enum INTERNAL = 1;
*/
const INTERNAL = 1;
/**
* Indicates that the span covers server-side handling of an RPC or other
* remote network request.
*
* Generated from protobuf enum SERVER = 2;
*/
const SERVER = 2;
/**
* Indicates that the span covers the client-side wrapper around an RPC or
* other remote request.
*
* Generated from protobuf enum CLIENT = 3;
*/
const CLIENT = 3;
/**
* Indicates that the span describes producer sending a message to a broker.
* Unlike client and server, there is no direct critical path latency
* relationship between producer and consumer spans (e.g. publishing a
* message to a pubsub service).
*
* Generated from protobuf enum PRODUCER = 4;
*/
const PRODUCER = 4;
/**
* Indicates that the span describes consumer receiving a message from a
* broker. Unlike client and server, there is no direct critical path
* latency relationship between producer and consumer spans (e.g. receiving
* a message from a pubsub service subscription).
*
* Generated from protobuf enum CONSUMER = 5;
*/
const CONSUMER = 5;
private static $valueToName = [
self::SPAN_KIND_UNSPECIFIED => 'SPAN_KIND_UNSPECIFIED',
self::INTERNAL => 'INTERNAL',
self::SERVER => 'SERVER',
self::CLIENT => 'CLIENT',
self::PRODUCER => 'PRODUCER',
self::CONSUMER => 'CONSUMER',
];
public static function name($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);
}
}
// Adding a class alias for backwards compatibility with the previous class name.
class_alias(SpanKind::class, \Google\Cloud\Trace\V2\Span_SpanKind::class);