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<?php
namespace Maatwebsite\Excel\Cache;
use Psr\SimpleCache\CacheInterface;
class BatchCache implements CacheInterface
{
/**
* @var CacheInterface
*/
protected $cache;
/**
* @var MemoryCache
*/
protected $memory;
/**
* @param CacheInterface $cache
* @param MemoryCache $memory
*/
public function __construct(CacheInterface $cache, MemoryCache $memory)
{
$this->cache = $cache;
$this->memory = $memory;
}
/**
* {@inheritdoc}
*/
public function get(string $key, mixed $default = null): mixed
{
if ($this->memory->has($key)) {
return $this->memory->get($key);
}
return $this->cache->get($key, $default);
}
/**
* {@inheritdoc}
*/
public function set(string $key, mixed $value, null|int|\DateInterval $ttl = null): bool
{
$this->memory->set($key, $value, $ttl);
if ($this->memory->reachedMemoryLimit()) {
return $this->cache->setMultiple($this->memory->flush(), $ttl);
}
return true;
}
/**
* {@inheritdoc}
*/
public function delete(string $key): bool
{
if ($this->memory->has($key)) {
return $this->memory->delete($key);
}
return $this->cache->delete($key);
}
/**
* {@inheritdoc}
*/
public function clear(): bool
{
$this->memory->clear();
return $this->cache->clear();
}
/**
* {@inheritdoc}
*/
public function getMultiple(iterable $keys, mixed $default = null): iterable
{
// Check if all keys are still in memory
$memory = $this->memory->getMultiple($keys, $default);
$actualItemsInMemory = count(array_filter($memory));
if ($actualItemsInMemory === count($keys)) {
return $memory;
}
// Get all rows from cache if none is hold in memory.
if ($actualItemsInMemory === 0) {
return $this->cache->getMultiple($keys, $default);
}
// Add missing values from cache.
foreach ($this->cache->getMultiple($keys, $default) as $key => $value) {
if (null !== $value) {
$memory[$key] = $value;
}
}
return $memory;
}
/**
* {@inheritdoc}
*/
public function setMultiple(iterable $values, null|int|\DateInterval $ttl = null): bool
{
$this->memory->setMultiple($values, $ttl);
if ($this->memory->reachedMemoryLimit()) {
return $this->cache->setMultiple($this->memory->flush(), $ttl);
}
return true;
}
/**
* {@inheritdoc}
*/
public function deleteMultiple(iterable $keys): bool
{
$keys = is_array($keys) ? $keys : iterator_to_array($keys);
$this->memory->deleteMultiple($keys);
return $this->cache->deleteMultiple($keys);
}
/**
* {@inheritdoc}
*/
public function has(string $key): bool
{
if ($this->memory->has($key)) {
return true;
}
return $this->cache->has($key);
}
}