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<?php
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namespace Aws;
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/**
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 * AWS command object.
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 */
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class Command implements CommandInterface
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{
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    use HasDataTrait;
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    /** @var string */
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    private $name;
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    /** @var HandlerList */
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    private $handlerList;
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    /** @var array */
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    private $authSchemes;
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    /** @var MetricsBuilder */
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    private $metricsBuilder;
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    /**
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     * Accepts an associative array of command options, including:
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     *
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     * - @http: (array) Associative array of transfer options.
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     *
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     * @param string      $name           Name of the command
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     * @param array       $args           Arguments to pass to the command
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     * @param HandlerList $list           Handler list
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     */
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    public function __construct(
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        $name,
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        array $args = [],
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        ?HandlerList $list = null,
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        ?MetricsBuilder $metricsBuilder = null
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    )
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    {
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        $this->name = $name;
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        $this->data = $args;
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        $this->handlerList = $list ?: new HandlerList();
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        if (!isset($this->data['@http'])) {
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            $this->data['@http'] = [];
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        }
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        if (!isset($this->data['@context'])) {
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            $this->data['@context'] = [];
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        }
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        $this->metricsBuilder = $metricsBuilder ?: new MetricsBuilder();
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    }
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    public function __clone()
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    {
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        $this->handlerList = clone $this->handlerList;
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    }
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    public function getName()
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    {
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        return $this->name;
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    }
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    public function hasParam($name)
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    {
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        return array_key_exists($name, $this->data);
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    }
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    public function getHandlerList()
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    {
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        return $this->handlerList;
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    }
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    /**
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     * For overriding auth schemes on a per endpoint basis when using
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     * EndpointV2 provider. Intended for internal use only.
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     *
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     * @param array $authSchemes
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     *
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     * @deprecated In favor of using the @context property bag.
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     *             Auth Schemes are now accessible via the `signature_version` key
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     *             in a Command's context, if applicable. Auth Schemes set using
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     *             This method are no longer consumed.
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     *
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     * @internal
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     */
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    public function setAuthSchemes(array $authSchemes)
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    {
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        trigger_error(__METHOD__ . ' is deprecated.  Auth schemes '
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            . 'resolved using the service `auth` trait or via endpoint resolution '
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            . 'are now set in the command `@context` property.`'
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            , E_USER_WARNING
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        );
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        $this->authSchemes = $authSchemes;
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    }
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    /**
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     * Get auth schemes added to command as required
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     * for endpoint resolution
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     *
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     * @returns array
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     *
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     * @deprecated In favor of using the @context property bag.
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     *             Auth schemes are now accessible via the `signature_version` key
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     *             in a Command's context, if applicable.
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     */
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    public function getAuthSchemes()
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    {
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        trigger_error(__METHOD__ . ' is deprecated.  Auth schemes '
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        . 'resolved using the service `auth` trait or via endpoint resolution '
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        . 'can now be found in the command `@context` property.`'
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        , E_USER_WARNING
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        );
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        return $this->authSchemes ?: [];
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    }
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    /** @deprecated */
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    public function get($name)
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    {
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        return $this[$name];
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    }
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    /**
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     * Returns the metrics builder instance tied up to this command.
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     *
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     * @internal
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     *
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     * @return MetricsBuilder
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     */
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    public function getMetricsBuilder(): MetricsBuilder
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    {
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        return $this->metricsBuilder;
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    }
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}