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1 efrain 1 
<?php
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namespace Aws\Multipart;
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/**
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 * Representation of the multipart upload.
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 *
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 * This object keeps track of the state of the upload, including the status and
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 * which parts have been uploaded.
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 */
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class UploadState
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{
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    const CREATED = 0;
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    const INITIATED = 1;
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    const COMPLETED = 2;
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    /** @var array Params used to identity the upload. */
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    private $id;
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    /** @var int Part size being used by the upload. */
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    private $partSize;
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    /** @var array Parts that have been uploaded. */
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    private $uploadedParts = [];
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    /** @var int Identifies the status the upload. */
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    private $status = self::CREATED;
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    /**
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     * @param array $id Params used to identity the upload.
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     */
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    public function __construct(array $id)
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    {
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        $this->id = $id;
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    }
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    /**
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     * Get the upload's ID, which is a tuple of parameters that can uniquely
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     * identify the upload.
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     *
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     * @return array
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     */
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    public function getId()
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    {
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        return $this->id;
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    }
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    /**
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     * Set's the "upload_id", or 3rd part of the upload's ID. This typically
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     * only needs to be done after initiating an upload.
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     *
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     * @param string $key   The param key of the upload_id.
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     * @param string $value The param value of the upload_id.
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     */
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    public function setUploadId($key, $value)
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    {
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        $this->id[$key] = $value;
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    }
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    /**
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     * Get the part size.
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     *
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     * @return int
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     */
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    public function getPartSize()
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    {
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        return $this->partSize;
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    }
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    /**
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     * Set the part size.
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     *
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     * @param $partSize int Size of upload parts.
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     */
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    public function setPartSize($partSize)
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    {
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        $this->partSize = $partSize;
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    }
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    /**
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     * Marks a part as being uploaded.
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     *
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     * @param int   $partNumber The part number.
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     * @param array $partData   Data from the upload operation that needs to be
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     *                          recalled during the complete operation.
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     */
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    public function markPartAsUploaded($partNumber, array $partData = [])
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    {
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        $this->uploadedParts[$partNumber] = $partData;
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    }
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    /**
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     * Returns whether a part has been uploaded.
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     *
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     * @param int $partNumber The part number.
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     *
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     * @return bool
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     */
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    public function hasPartBeenUploaded($partNumber)
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    {
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        return isset($this->uploadedParts[$partNumber]);
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    }
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    /**
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     * Returns a sorted list of all the uploaded parts.
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     *
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     * @return array
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     */
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    public function getUploadedParts()
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    {
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        ksort($this->uploadedParts);
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        return $this->uploadedParts;
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    }
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    /**
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     * Set the status of the upload.
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     *
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     * @param int $status Status is an integer code defined by the constants
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     *                    CREATED, INITIATED, and COMPLETED on this class.
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     */
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    public function setStatus($status)
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    {
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        $this->status = $status;
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    }
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    /**
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     * Determines whether the upload state is in the INITIATED status.
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     *
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     * @return bool
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     */
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    public function isInitiated()
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    {
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        return $this->status === self::INITIATED;
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    }
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    /**
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     * Determines whether the upload state is in the COMPLETED status.
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     *
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     * @return bool
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     */
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    public function isCompleted()
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    {
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        return $this->status === self::COMPLETED;
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    }
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}