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<?php
# Generated by the protocol buffer compiler. DO NOT EDIT!
# source: opentelemetry/proto/trace/v1/trace.proto
namespace Opentelemetry\Proto\Trace\V1\Span;
use UnexpectedValueException;
/**
* SpanKind is the type of span. Can be used to specify additional relationships between spans
* in addition to a parent/child relationship.
*
* Protobuf type <code>opentelemetry.proto.trace.v1.Span.SpanKind</code>
*/
class SpanKind
{
/**
* Unspecified. Do NOT use as default.
* Implementations MAY assume SpanKind to be INTERNAL when receiving UNSPECIFIED.
*
* Generated from protobuf enum <code>SPAN_KIND_UNSPECIFIED = 0;</code>
*/
const SPAN_KIND_UNSPECIFIED = 0;
/**
* Indicates that the span represents an internal operation within an application,
* as opposed to an operation happening at the boundaries. Default value.
*
* Generated from protobuf enum <code>SPAN_KIND_INTERNAL = 1;</code>
*/
const SPAN_KIND_INTERNAL = 1;
/**
* Indicates that the span covers server-side handling of an RPC or other
* remote network request.
*
* Generated from protobuf enum <code>SPAN_KIND_SERVER = 2;</code>
*/
const SPAN_KIND_SERVER = 2;
/**
* Indicates that the span describes a request to some remote service.
*
* Generated from protobuf enum <code>SPAN_KIND_CLIENT = 3;</code>
*/
const SPAN_KIND_CLIENT = 3;
/**
* Indicates that the span describes a producer sending a message to a broker.
* Unlike CLIENT and SERVER, there is often no direct critical path latency relationship
* between producer and consumer spans. A PRODUCER span ends when the message was accepted
* by the broker while the logical processing of the message might span a much longer time.
*
* Generated from protobuf enum <code>SPAN_KIND_PRODUCER = 4;</code>
*/
const SPAN_KIND_PRODUCER = 4;
/**
* Indicates that the span describes consumer receiving a message from a broker.
* Like the PRODUCER kind, there is often no direct critical path latency relationship
* between producer and consumer spans.
*
* Generated from protobuf enum <code>SPAN_KIND_CONSUMER = 5;</code>
*/
const SPAN_KIND_CONSUMER = 5;
private static $valueToName = [
self::SPAN_KIND_UNSPECIFIED => 'SPAN_KIND_UNSPECIFIED',
self::SPAN_KIND_INTERNAL => 'SPAN_KIND_INTERNAL',
self::SPAN_KIND_SERVER => 'SPAN_KIND_SERVER',
self::SPAN_KIND_CLIENT => 'SPAN_KIND_CLIENT',
self::SPAN_KIND_PRODUCER => 'SPAN_KIND_PRODUCER',
self::SPAN_KIND_CONSUMER => 'SPAN_KIND_CONSUMER',
];
public static function name($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, \Opentelemetry\Proto\Trace\V1\Span_SpanKind::class);
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