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<?php
namespace Aws\EndpointV2\Rule;
use Aws\EndpointV2\Ruleset\RulesetStandardLibrary;
class TreeRule extends AbstractRule
{
/** @var array */
private $rules;
public function __construct(array $definition)
{
parent::__construct($definition);
$this->rules = $this->createRules($definition['rules']);
}
/**
* @return array
*/
public function getRules()
{
return $this->rules;
}
/**
* If a tree rule's conditions evaluate successfully, iterate over its
* subordinate rules and return a result if there is one. If any of the
* subsequent rules are trees, the function will recurse until it reaches
* an error or an endpoint rule
*
* @return mixed
*/
public function evaluate(
array $inputParameters,
RulesetStandardLibrary $standardLibrary
)
{
if ($this->evaluateConditions($inputParameters, $standardLibrary)) {
foreach($this->rules as $rule) {
$inputParametersCopy = $inputParameters;
$evaluation = $rule->evaluate($inputParametersCopy, $standardLibrary);
if ($evaluation !== false) {
return $evaluation;
}
}
}
return false;
}
private function createRules(array $rules)
{
$rulesList = [];
forEach($rules as $rule) {
$ruleType = RuleCreator::create($rule['type'], $rule);
$rulesList[] = $ruleType;
}
return $rulesList;
}
}
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