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<?php
/*
* This file is part of the PHPBench package
*
* (c) Daniel Leech <daniel@dantleech.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*
*/
namespace PhpBench\Model;
/**
* Represents the result of a single iteration executed by an executor.
*/
class ResultCollection
{
private $results = [];
/**
* @param ResultInterface[] $results
*/
public function __construct(array $results = [])
{
foreach ($results as $result) {
$this->setResult($result);
}
}
/**
* Add a result to the collection.
*
* Only one result per class is permitted.
*
*/
public function setResult(ResultInterface $result): void
{
$class = get_class($result);
$this->results[$class] = $result;
}
/**
* Return true if there is a result for the given class name.
*
*/
public function hasResult(string $class): bool
{
return isset($this->results[$class]);
}
/**
* Return the result of the given class, throw an exception
* if it does not exist.
*
*
* @throws \RuntimeException
*/
public function getResult(string $class): ResultInterface
{
if (!isset($this->results[$class])) {
throw new \RuntimeException(sprintf(
'Result of class "%s" has not been set',
$class
));
}
return $this->results[$class];
}
/**
* Return the named metric for the given result class.
*
*
* @throws \InvalidArgumentException
*
*/
public function getMetric(string $class, string $metric)
{
$metrics = $this->getResult($class)->getMetrics();
if (!isset($metrics[$metric])) {
throw new \InvalidArgumentException(sprintf(
'Unknown metric "%s" for result class "%s". Available metrics: "%s"',
$metric,
$class,
implode('", "', array_keys($metrics))
));
}
return $metrics[$metric];
}
/**
* Return the named metric or the default value if the *result class* has
* not been set.
*
* If the metric does not exist but the class *does* exist then there is
* clearly a problem and we should allow an error to be thrown.
*
*
*/
public function getMetricOrDefault(string $class, string $metric, $default = null)
{
if (false === $this->hasResult($class)) {
return $default;
}
return $this->getMetric($class, $metric);
}
/**
* Return all results.
*
* @return ResultInterface[]
*/
public function getResults(): ?array
{
return $this->results;
}
}