1 <?php

     2 namespace CorpusParole\Models;

     3 

     4 use CorpusParole\Libraries\RdfModel\RdfModelResource;

     5 use CorpusParole\Libraries\Utils;

     6 

     7 use JsonSerializable;

     8 use Log;

     9 

    10 

    11 /**

    12  */

    13 class MediaResource extends WebResource  {

    14 

    15     private $master = false;

    16     private $extent = -1;

    17     private $extentMs = -1;

    18 

    19     public function __construct(...$args) {

    20         //print($graph->dump('html'));

    21         parent::__construct(...$args);

    22         list(,,$master) = $args;

    23         $this->master = $master;

    24     }

    25 

    26     public function isMaster() {

    27         return $this->master;

    28     }

    29 

    30     protected function doClearMemoizationCache() {

    31         $this->extent = -1;

    32         $this->extentMs = -1;

    33     }

    34 

    35     public function getExtent() {

    36         if($this->extent === -1) {

    37             $extent = $this->getLiteral("<http://purl.org/dc/terms/extent>");

    38             $this->extent = is_null($extent)?null:$extent->getValue();

    39         }

    40 

    41         return $this->extent;

    42     }

    43 

    44     public function getExtentMs() {

    45         if($this->extentMs === -1 ) {

    46             $this->extentMs = Utils::iso8601IntervalToMillis($this->getExtent());

    47         }

    48         return $this->extentMs;

    49     }

    50 

    51 

    52     protected function jsonSerializeExtra() {

    53         return [

    54             'extent' => $this->getExtent(),

    55             'extent_ms' => $this->getExtentMs(),

    56             'master' => $this->isMaster()

    57         ];

    58     }

    59 

    60 }