<?php
namespace CorpusParole\Models;
use CorpusParole\Libraries\RdfModel\RdfModelResource;
use JsonSerializable;
use Log;
/**
* Model class for Document. Inherit from EasyRd\Resource
* SELECT DISTINCT ?g WHERE {GRAPH ?g {?s ?p ?o}}
*/
abstract class WebResource extends RdfModelResource implements JsonSerializable {
public function __construct(...$args) {
list($uri, $graph) = $args;
parent::__construct($uri, $graph);
}
private $format = false;
abstract protected function doClearMemoizationCache();
public function clearMemoizationCache() {
$this->format = false;
$this->doClearMemoizationCache();
}
public function getFormat() {
if($this->format === false) {
$format = $this->getLiteral("<http://purl.org/dc/elements/1.1/format>");
$this->format = is_null($format)?null:$format->getValue();
}
return $this->format;
}
public function getUrl() {
return $this->getUri();
}
abstract protected function jsonSerializeExtra();
public function jsonSerialize() {
return array_merge(
[
'url' => $this->getUrl(),
'format' => $this->getFormat()
],
$this->jsonSerializeExtra()
);
}
}