private function getCacheId(Description $description, QueryOptions $queryOptions = null, $entityType)
{
$key = self::CACHE_ID_PREFIX . WIKIBASE_DATAMODEL_VERSION . '-' . $entityType . '-' . $description->getHash();
if ($queryOptions !== null) {
$key .= '-' . $queryOptions->getOffset() . '-' . $queryOptions->getLimit();
}
return $key;
}
/**
* @see Hashable::getHash
*
* @since 1.0
*
* @return string
*/
public function getHash()
{
if ($this->hash === null) {
$this->hash = sha1($this->getType() . $this->propertyId->getHash() . $this->subDescription->getHash() . $this->isSubProperty);
}
return $this->hash;
}
protected function getDescriptionValueSerialization(Description $description)
{
if ($description instanceof AnyValue) {
return array();
}
if ($description instanceof SomeProperty) {
return array('property' => $description->getPropertyId()->toArray(), 'description' => $this->serialize($description->getSubDescription()), 'isSubProperty' => $description->isSubProperty());
}
if ($description instanceof ValueDescription) {
return array('value' => $description->getValue()->toArray(), 'comparator' => $this->getStringForComparator($description->getComparator()));
}
if ($description instanceof DescriptionCollection) {
$serializationMethod = array($this, 'serialize');
return array('descriptions' => array_map(function (Description $description) use($serializationMethod) {
return call_user_func($serializationMethod, $description);
}, $description->getDescriptions()));
}
throw new UnsupportedObjectException($description);
}
/**
* @dataProvider instanceProvider
*
* @since 1.0
*
* @param Description $description
*/
public function testGetHashStability(Description $description)
{
$this->assertEquals($description->getHash(), $description->getHash());
}