/**
* @see EntityHolder::getEntityId
*
* This implements lazy initialization of the entity: when called for the first time,
* this method will call getEntity() on the EntityHolder passed to the constructor,
* and then deep clone the entity returned. The resulting copy is returned.
* Subsequent calls will return the same entity.
*
* @param string $expectedClass The class with which the result is expected to be compatible.
* Defaults to EntityDocument.
*
* @throws RuntimeException If the entity held by this EntityHolder is not compatible with $expectedClass.
* @return EntityDocument
*/
public function getEntity($expectedClass = 'Wikibase\\DataModel\\Entity\\EntityDocument')
{
if (!$this->entity) {
$entity = $this->entityHolder->getEntity($expectedClass);
$this->entity = unserialize(serialize($entity));
}
return $this->entity;
}
/**
* Returns the Item that makes up this ItemContent.
*
* @throws MWException when it's a redirect (targets will never be resolved)
* @throws LogicException
* @return Item
*/
public function getItem()
{
$redirect = $this->getRedirectTarget();
if ($redirect) {
throw new MWException('Unresolved redirect to [[' . $redirect->getFullText() . ']]');
}
if (!$this->itemHolder) {
throw new LogicException('Neither redirect nor item found in ItemContent!');
}
return $this->itemHolder->getEntity('Wikibase\\DataModel\\Entity\\Item');
}
/**
* Gets the property that makes up this property content.
*
* @return Property
*/
public function getProperty()
{
return $this->propertyHolder->getEntity('Wikibase\\DataModel\\Entity\\Property');
}
/**
* @return MediaInfo
*/
public function getMedium()
{
return $this->mediumHolder->getEntity('WikibaseMedia\\DataModel\\Medium');
}
