class AlwaysOnSampler

This implementation of the SamplerInterface always records. Example: ``` use OpenTelemetry\Sdk\Trace\AlwaysOnSampler; $sampler = new AlwaysOnSampler(); ```

Hierarchy

Expanded class hierarchy of AlwaysOnSampler

2 files declare their use of AlwaysOnSampler
SamplerFactory.php in vendor/open-telemetry/sdk/Trace/SamplerFactory.php
TracerProvider.php in vendor/open-telemetry/sdk/Trace/TracerProvider.php
1 string reference to 'AlwaysOnSampler'
AlwaysOnSampler::getDescription in vendor/open-telemetry/sdk/Trace/Sampler/AlwaysOnSampler.php
Returns the sampler name or short description with the configuration. This may be displayed on debug pages or in the logs. Example: "TraceIdRatioBasedSampler{0.000100}"

File

vendor/open-telemetry/sdk/Trace/Sampler/AlwaysOnSampler.php, line 21

Namespace

OpenTelemetry\SDK\Trace\Sampler
View source 
class AlwaysOnSampler implements SamplerInterface {
    
    /**
     * Returns true because we always want to sample.
     * {@inheritdoc}
     */
    public function shouldSample(ContextInterface $parentContext, string $traceId, string $spanName, int $spanKind, AttributesInterface $attributes, array $links) : SamplingResult {
        $parentSpan = Span::fromContext($parentContext);
        $parentSpanContext = $parentSpan->getContext();
        $traceState = $parentSpanContext->getTraceState();
        return new SamplingResult(SamplingResult::RECORD_AND_SAMPLE, [], $traceState);
    }
    public function getDescription() : string {
        return 'AlwaysOnSampler';
    }

}

Members

Title Modifiers Object type Summary Overriden Title
AlwaysOnSampler::getDescription public function Returns the sampler name or short description with the configuration.
This may be displayed on debug pages or in the logs.
Example: "TraceIdRatioBasedSampler{0.000100}" 		Overrides SamplerInterface::getDescription
AlwaysOnSampler::shouldSample public function Returns true because we always want to sample. Overrides SamplerInterface::shouldSample