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1 efrain 1 
<?php
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namespace Aws\EndpointV2\Rule;
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use Aws\EndpointV2\Ruleset\RulesetStandardLibrary;
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/**
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 *  A rule within a rule set. All rules contain a conditions property,
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 * which can be empty, and documentation about the rule.
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 */
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abstract Class AbstractRule
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{
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    private $conditions;
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    private $documentation;
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    public function __construct(array $definition)
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    {
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        $this->conditions = $definition['conditions'];
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        $this->documentation = isset($definition['documentation']) ?
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            $definition['documentation'] : null;
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    }
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    /**
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     * @return array
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     */
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    public function getConditions()
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    {
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        return $this->conditions;
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    }
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    /**
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     * @return mixed
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     */
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    public function getDocumentation()
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    {
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        return $this->documentation;
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    }
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    /**
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     * Determines if all conditions for a given rule are met.
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     *
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     * @return boolean
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     */
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    protected function evaluateConditions(
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        array &$inputParameters,
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        RulesetStandardLibrary $standardLibrary
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    )
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    {
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        foreach($this->getConditions() as $condition) {
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            $result = $standardLibrary->callFunction($condition, $inputParameters);
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            if (is_null($result) || $result === false) {
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                return false;
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            }
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        }
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        return true;
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    }
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    abstract public function evaluate(
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        array $inputParameters,
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        RulesetStandardLibrary $standardLibrary
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    );
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}