AlkantarClanX12
Current Path : /home/thanudqk/siamfreetour.com/wp-content/plugins/w3-total-cache/lib/Aws/Aws/ |
Current File : /home/thanudqk/siamfreetour.com/wp-content/plugins/w3-total-cache/lib/Aws/Aws/History.php |
<?php namespace Aws; use Psr\Http\Message\RequestInterface; use Aws\Exception\AwsException; /** * Represents a history container that is required when using the history * middleware. */ class History implements \Countable, \IteratorAggregate { private $maxEntries; private $entries = array(); /** * @param int $maxEntries Maximum number of entries to store. */ public function __construct($maxEntries = 10) { $this->maxEntries = $maxEntries; } public function count() { return count($this->entries); } public function getIterator() { return new \ArrayIterator(array_values($this->entries)); } /** * Get the last finished command seen by the history container. * * @return CommandInterface * @throws \LogicException if no commands have been seen. */ public function getLastCommand() { if (!$this->entries) { throw new \LogicException('No commands received'); } return end($this->entries)['command']; } /** * Get the last finished request seen by the history container. * * @return RequestInterface * @throws \LogicException if no requests have been seen. */ public function getLastRequest() { if (!$this->entries) { throw new \LogicException('No requests received'); } return end($this->entries)['request']; } /** * Get the last received result or exception. * * @return ResultInterface|AwsException * @throws \LogicException if no return values have been received. */ public function getLastReturn() { if (!$this->entries) { throw new \LogicException('No entries'); } $last = end($this->entries); if (isset($last['result'])) { return $last['result']; } if (isset($last['exception'])) { return $last['exception']; } throw new \LogicException('No return value for last entry.'); } /** * Initiate an entry being added to the history. * * @param CommandInterface $cmd Command be executed. * @param RequestInterface $req Request being sent. * * @return string Returns the ticket used to finish the entry. */ public function start(CommandInterface $cmd, RequestInterface $req) { $ticket = uniqid(); $this->entries[$ticket] = [ 'command' => $cmd, 'request' => $req, 'result' => null, 'exception' => null, ]; return $ticket; } /** * Finish adding an entry to the history container. * * @param string $ticket Ticket returned from the start call. * @param mixed $result The result (an exception or AwsResult). */ public function finish($ticket, $result) { if (!isset($this->entries[$ticket])) { throw new \InvalidArgumentException('Invalid history ticket'); } if (isset($this->entries[$ticket]['result']) || isset($this->entries[$ticket]['exception']) ) { throw new \LogicException('History entry is already finished'); } if ($result instanceof \Exception) { $this->entries[$ticket]['exception'] = $result; } else { $this->entries[$ticket]['result'] = $result; } if (count($this->entries) >= $this->maxEntries) { $this->entries = array_slice($this->entries, -$this->maxEntries, null, true); } } /** * Flush the history */ public function clear() { $this->entries = []; } /** * Converts the history to an array. * * @return array */ public function toArray() { return array_values($this->entries); } }