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<?php
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/**
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* This file is part of the ramsey/uuid library
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*
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* @copyright Copyright (c) Ben Ramsey <ben@benramsey.com>
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* @license http://opensource.org/licenses/MIT MIT
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*/
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declare(strict_types=1);
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namespace Ramsey\Uuid\Generator;
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use Ramsey\Uuid\Rfc4122\UuidV2;
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use Ramsey\Uuid\Type\Hexadecimal;
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use Ramsey\Uuid\Type\Integer as IntegerObject;
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/**
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* A DCE Security generator generates strings of binary data based on a local
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* domain, local identifier, node ID, clock sequence, and the current time
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*
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* @see UuidV2
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*/
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interface DceSecurityGeneratorInterface
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{
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/**
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* Generate a binary string from a local domain, local identifier, node ID,
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* clock sequence, and current time
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*
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* @param int $localDomain The local domain to use when generating bytes,
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* according to DCE Security
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* @param IntegerObject|null $localIdentifier The local identifier for the
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* given domain; this may be a UID or GID on POSIX systems, if the local
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* domain is person or group, or it may be a site-defined identifier
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* if the local domain is org
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* @param Hexadecimal|null $node A 48-bit number representing the hardware
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* address
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* @param int|null $clockSeq A 14-bit number used to help avoid duplicates
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* that could arise when the clock is set backwards in time or if the
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* node ID changes
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*
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* @return string A binary string
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*/
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public function generate(
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int $localDomain,
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?IntegerObject $localIdentifier = null,
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?Hexadecimal $node = null,
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?int $clockSeq = null
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): string;
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}
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