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QueueClient.php
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<?php
namespace ReputationVIP\QueueClient;
use ReputationVIP\QueueClient\Adapter\AdapterInterface;
use ReputationVIP\QueueClient\Adapter\Exception\QueueAccessException;
use ReputationVIP\QueueClient\Adapter\NullAdapter;
use ReputationVIP\QueueClient\Exception\QueueAliasException;
class QueueClient implements QueueClientInterface
{
/** @var AdapterInterface */
private $adapter;
/** @var [] */
private $aliases = [];
/**
* @param string $queueName
* @return string|array
*/
protected function resolveAliasQueueName($queueName)
{
if (array_key_exists($queueName, $this->aliases)) {
$queues = $this->aliases[$queueName];
if (count($queues) === 1) {
return $queues[0];
}
return $queues;
}
return $queueName;
}
/**
* @param AdapterInterface $adapter
*/
public function __construct(AdapterInterface $adapter = null)
{
if (null === $adapter) {
$adapter = new NullAdapter();
}
$this->adapter = $adapter;
return $this;
}
/**
* @inheritdoc
*/
public function addMessage($queueName, $message, $priority = null, $delaySeconds = 0)
{
$queues = (array) $this->resolveAliasQueueName($queueName);
foreach ($queues as $queue) {
$this->adapter->addMessage($queue, $message, $priority, $delaySeconds);
}
return $this;
}
/**
* @inheritdoc
*/
public function addMessages($queueName, $messages, $priority = null)
{
$queues = (array) $this->resolveAliasQueueName($queueName);
foreach ($queues as $queue) {
$this->adapter->addMessages($queue, $messages, $priority);
}
return $this;
}
/**
* @inheritdoc
*
* @throws QueueAliasException
*/
public function getMessages($queueName, $nbMsg = 1, $priority = null)
{
$queues = $this->resolveAliasQueueName($queueName);
if (is_array($queues)) {
throw new QueueAliasException('Alias ' . $queueName . ' corresponds to several queues: ' . implode(' , ', $queues));
} else {
return $this->adapter->getMessages($queues, $nbMsg, $priority);
}
}
/**
* @inheritdoc
*
* @throws QueueAliasException
*/
public function deleteMessage($queueName, $message)
{
$queues = $this->resolveAliasQueueName($queueName);
if (is_array($queues)) {
throw new QueueAliasException('Alias ' . $queueName . ' corresponds to several queues: ' . implode(' , ', $queues));
} else {
$this->adapter->deleteMessage($queues, $message);
}
return $this;
}
/**
* @inheritdoc
*/
public function deleteMessages($queueName, $messages)
{
foreach ($messages as $message) {
$this->deleteMessage($queueName, $message);
}
return $this;
}
/**
* @inheritdoc
*
* @throws QueueAliasException
*/
public function isEmpty($queueName, $priority = null)
{
$queues = $this->resolveAliasQueueName($queueName);
if (is_array($queues)) {
throw new QueueAliasException('Alias ' . $queueName . ' corresponds to several queues: ' . implode(' , ', $queues));
} else {
return $this->adapter->isEmpty($queues, $priority);
}
}
/**
* @inheritdoc
*
* @throws QueueAliasException
*/
public function getNumberMessages($queueName, $priority = null)
{
$queues = $this->resolveAliasQueueName($queueName);
if (is_array($queues)) {
throw new QueueAliasException('Alias ' . $queueName . ' corresponds to several queues: ' . implode(' , ', $queues));
} else {
return $this->adapter->getNumberMessages($queues, $priority);
}
}
/**
* @inheritdoc
*/
public function deleteQueue($queueName)
{
$this->adapter->deleteQueue($queueName);
foreach ($this->aliases as $keyAlias => $alias) {
$keys = array_keys($alias, $queueName);
foreach ($keys as $key) {
unset($this->aliases[$keyAlias][$key]);
if (empty($this->aliases[$keyAlias])) {
unset($this->aliases[$keyAlias]);
}
}
}
return $this;
}
/**
* @inheritdoc
*/
public function createQueue($queueName)
{
$this->adapter->createQueue($queueName);
return $this;
}
/**
* @inheritdoc
*/
public function renameQueue($sourceQueueName, $targetQueueName)
{
$this->adapter->renameQueue($sourceQueueName, $targetQueueName);
foreach ($this->aliases as $keyAlias => $alias) {
$keys = array_keys($alias, $sourceQueueName);
foreach ($keys as $key) {
$this->aliases[$keyAlias][$key] = $targetQueueName;
}
}
return $this;
}
/**
* @inheritdoc
*
* @throws QueueAliasException
*/
public function purgeQueue($queueName, $priority = null)
{
$queues = $this->resolveAliasQueueName($queueName);
if (is_array($queues)) {
throw new QueueAliasException('Alias ' . $queueName . ' corresponds to several queues: ' . implode(' , ', $queues));
} else {
$this->adapter->purgeQueue($queues, $priority);
}
return $this;
}
/**
* @inheritdoc
*/
public function listQueues($regex = null)
{
$listQueuesAdapter = $this->adapter->listQueues();
$listQueuesRegex = [];
foreach ($listQueuesAdapter as $queue) {
if (null === $regex || preg_match($regex, $queue)) {
$listQueuesRegex[] = $queue;
}
}
return $listQueuesRegex;
}
/**
* @inheritdoc
*
* @throws \InvalidArgumentException
* @throws QueueAliasException
* @throws QueueAccessException
*/
public function addAlias($queueName, $alias)
{
$listQueues = $this->listQueues();
if (empty($queueName)) {
throw new \InvalidArgumentException('Queue name is empty.');
}
if (empty($alias)) {
throw new QueueAliasException('Alias is empty.');
}
if (!in_array($queueName, $listQueues)) {
throw new QueueAccessException('Attempting to create alias on unknown queue.');
}
if (empty($this->aliases[$alias])) {
$this->aliases[$alias] = [];
}
$this->aliases[$alias][] = $queueName;
$this->aliases[$alias] = array_unique($this->aliases[$alias]);
return $this;
}
/**
* @inheritdoc
*
* @throws QueueAliasException
*/
public function removeAlias($alias)
{
if (array_key_exists($alias, $this->aliases)) {
unset($this->aliases[$alias]);
if (empty($this->aliases[$alias])) {
unset($this->aliases[$alias]);
}
} else {
throw new QueueAliasException('No alias found.');
}
return $this;
}
/**
* @inheritdoc
*/
public function getAliases()
{
return $this->aliases;
}
/**
* @inheritdoc
*/
public function getPriorityHandler()
{
return $this->adapter->getPriorityHandler();
}
}