/**
* @since 0.4
*
* @param ReferenceList $references
* @param Summary|null $summary
*
* @throws ChangeOpException
*/
protected function setReference(ReferenceList $references, Summary $summary = null)
{
if (!$references->hasReferenceHash($this->referenceHash)) {
throw new ChangeOpException("Reference with hash {$this->referenceHash} does not exist");
}
$currentIndex = $references->indexOf($this->reference);
if ($this->index === null && $currentIndex !== false) {
// Set index to current index to not have the reference removed and appended but
// retain its position within the list of references.
$this->index = $currentIndex;
}
if ($references->hasReference($this->reference) && $this->index === $currentIndex) {
throw new ChangeOpException('The statement has already a reference with hash ' . $this->reference->getHash() . ' and index (' . $currentIndex . ') is not changed');
}
$references->removeReferenceHash($this->referenceHash);
$references->addReference($this->reference, $this->index);
$this->updateSummary($summary, 'set');
}
public function testGivenAnArrayOfSnaks_addNewReferenceAddsThem()
{
$references = new ReferenceList();
$snaks = array(new PropertyNoValueSnak(1), new PropertyNoValueSnak(3), new PropertyNoValueSnak(2));
$references->addNewReference($snaks);
$this->assertTrue($references->hasReference(new Reference($snaks)));
}
