/**
* @return array
* @throws \Exception
*/
public function writeToRedis()
{
if (!isset($this->pipeLine)) {
throw new \Exception('No Redis Pipeline Set');
}
$results = $this->pipeLine->execute();
$this->disconnectFromServer();
return $results;
}
/**
* @group disconnected
*/
public function testExecuteWithCallableArgumentHandlesExceptions()
{
$exception = null;
$connection = $this->getMock('Predis\\Connection\\SingleConnectionInterface');
$connection->expects($this->never())->method('writeCommand');
$connection->expects($this->never())->method('readResponse');
$pipeline = new PipelineContext(new Client($connection));
$exception = null;
$replies = null;
try {
$replies = $pipeline->execute(function ($pipe) {
$pipe->echo('one');
throw new ClientException('TEST');
$pipe->echo('two');
});
} catch (\Exception $exception) {
// NOOP
}
$this->assertInstanceOf('Predis\\ClientException', $exception);
$this->assertSame('TEST', $exception->getMessage());
$this->assertNull($replies);
}
/**
* Executes a pipeline context when a callable object is passed.
*
* @param array $options Options of the context initialization.
* @param mixed $callable Optional callable object used to execute the context.
* @return PipelineContext|array
*/
private function pipelineExecute(PipelineContext $pipeline, $callable)
{
return isset($callable) ? $pipeline->execute($callable) : $pipeline;
}
/**
* Updates the rank of a news item.
*
* @param PipelineContext $pipe Pipeline used to batch the update operations.
* @param array $news Single news item.
*/
protected function updateNewsRank(PipelineContext $pipe, array &$news)
{
$realRank = $this->computeNewsRank($news);
if (abs($realRank - $news['rank']) > 0.001) {
$pipe->hmset("news:{$news['id']}", 'rank', $realRank);
$pipe->zadd('news.top', $realRank, $news['id']);
$news['rank'] = $realRank;
}
}