/**
* @see SearchIndexField::getFieldData
*
* @param EntityDocument $entity
*
* @return int
*/
public function getFieldData(EntityDocument $entity)
{
if ($entity instanceof StatementListHolder) {
return $entity->getStatements()->count();
}
return 0;
}
/**
* @param EntityDocument $entity
*/
public function processEntity(EntityDocument $entity)
{
if ($entity instanceof StatementListProvider && $this->statementDataUpdaters) {
$this->processStatements($entity->getStatements());
}
if ($entity instanceof Item && $this->siteLinkDataUpdaters) {
$this->processSiteLinks($entity->getSiteLinkList());
}
}
/**
* @see ChangeOp::apply()
* - a new claim with $snak as mainsnak gets added when $claimGuid is empty and $snak is set
* - the claim's mainsnak gets set to $snak when $claimGuid and $snak are set
*/
public function apply(EntityDocument $entity, Summary $summary = null)
{
if (!$entity instanceof StatementListHolder) {
throw new InvalidArgumentException('$entity must be a StatementListHolder');
}
$statements = $entity->getStatements();
if (empty($this->statementGuid)) {
$this->addStatement($statements, $entity->getId(), $summary);
} else {
$this->setStatement($statements, $summary);
}
$entity->setStatements($statements);
}
/**
* @see ChangeOp::apply()
*/
public function apply(EntityDocument $entity, Summary $summary = null)
{
if (!$entity instanceof StatementListHolder) {
throw new InvalidArgumentException('$entity must be a StatementListHolder');
}
$statements = $entity->getStatements();
$statement = $statements->getFirstStatementWithGuid($this->statementGuid);
if ($statement === null) {
throw new ChangeOpException("Entity does not have a statement with GUID {$this->statementGuid}");
}
$qualifiers = $statement->getQualifiers();
$this->removeQualifier($qualifiers, $summary);
$statement->setQualifiers($qualifiers);
$entity->setStatements($statements);
}
/**
* @see ChangeOp::apply
*
* @param EntityDocument $entity
* @param Summary|null $summary
*
* @throws InvalidArgumentException
* @throws ChangeOpException
*/
public function apply(EntityDocument $entity, Summary $summary = null)
{
if (!$entity instanceof StatementListHolder) {
throw new InvalidArgumentException('$entity must be a StatementListHolder');
}
$statements = $entity->getStatements();
$statement = $statements->getFirstStatementWithGuid($this->guid);
if ($statement === null) {
throw new ChangeOpException("Entity does not have statement with GUID {$this->guid}");
}
$statements->removeStatementsWithGuid($this->guid);
$entity->setStatements($statements);
$removedSnak = $statement->getMainSnak();
$this->updateSummary($summary, 'remove', '', $this->getSummaryArgs($removedSnak));
}
/**
* @see ChangeOp::apply()
*/
public function apply(EntityDocument $entity, Summary $summary = null)
{
if (!$entity instanceof StatementListHolder) {
throw new InvalidArgumentException('$entity must be a StatementListHolder');
}
$statements = $entity->getStatements();
$statement = $statements->getFirstStatementWithGuid($this->statementGuid);
if ($statement === null) {
throw new ChangeOpException("Entity does not have claim with GUID {$this->statementGuid}");
}
$references = $statement->getReferences();
$this->removeReference($references, $summary);
if ($summary !== null) {
$summary->addAutoSummaryArgs($this->getSnakSummaryArgs($statement->getMainSnak()));
}
$statement->setReferences($references);
$entity->setStatements($statements);
}
/**
* @param EntityDocument $entity
*/
private function buildResult(EntityDocument $entity)
{
$builder = $this->getResultBuilder();
if ($entity instanceof FingerprintProvider) {
$fingerprint = $entity->getFingerprint();
$builder->addLabels($fingerprint->getLabels(), 'entity');
$builder->addDescriptions($fingerprint->getDescriptions(), 'entity');
$builder->addAliasGroupList($fingerprint->getAliasGroups(), 'entity');
}
if ($entity instanceof Item) {
$builder->addSiteLinkList($entity->getSiteLinkList(), 'entity');
}
if ($entity instanceof StatementListProvider) {
$builder->addStatements($entity->getStatements(), 'entity');
}
}
/**
* @param EntityDocument $entity
* @param string|null $guid
*
* @return StatementList
*/
private function getStatements(EntityDocument $entity, $guid = null)
{
if (!$entity instanceof StatementListProvider) {
return new StatementList();
}
$statements = $entity->getStatements();
if ($guid === null) {
return $statements->filter($this->newRequestParamsBasedFilter());
}
$statement = $statements->getFirstStatementWithGuid($guid);
return new StatementList($statement === null ? array() : $statement);
}
/**
* @param string $guid
* @param EntityDocument $entity
*
* @throws UsageException
* @return Statement
*/
public function getStatementFromEntity($guid, EntityDocument $entity)
{
if (!$entity instanceof StatementListProvider) {
$this->errorReporter->dieError('Entity type does not support statements', 'no-such-claim');
}
$statement = $entity->getStatements()->getFirstStatementWithGuid($guid);
if ($statement === null) {
$this->errorReporter->dieError('Could not find the statement', 'no-such-claim');
}
return $statement;
}
/**
* Add truthy statements for the given entity to the RDF graph.
*
* @param EntityDocument $entity the entity to output.
*/
public function addEntity(EntityDocument $entity)
{
$entityId = $entity->getId();
if ($entity instanceof StatementListProvider) {
$this->addStatements($entityId, $entity->getStatements());
}
}