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Final Class Yiisoft\Cache\Metadata\CacheItems

All Classes | Methods
InheritanceYiisoft\Cache\Metadata\CacheItems

CacheItems store the metadata of each cache item.

Public Methods

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Method Description Defined By
expired() Checks whether the dependency has been changed or whether the cache expired. Yiisoft\Cache\Metadata\CacheItems
remove() Removes a cache item with the specified key. Yiisoft\Cache\Metadata\CacheItems
set() Adds or updates a cache item. Yiisoft\Cache\Metadata\CacheItems

Method Details

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expired() public method

Checks whether the dependency has been changed or whether the cache expired.

public boolean expired ( string $key, float $beta, Yiisoft\Cache\CacheInterface $cache )
$key string

The key that identifies the cache item.
$beta float

The value for calculating the range that is used for "Probably early expiration" algorithm.
$cache Yiisoft\Cache\CacheInterface

The actual cache handler.
return boolean

Whether the dependency has been changed or whether the cache expired.

 

                public function expired(string $key, float $beta, CacheInterface $cache): bool
{
    return isset($this->items[$key]) && $this->items[$key]->expired($beta, $cache);
}
remove() public method

Removes a cache item with the specified key.

public void remove ( string $key )
$key string

The key that identifies the cache item.

 

                public function remove(string $key): void
{
    if (isset($this->items[$key])) {
        unset($this->items[$key]);
    }
}
set() public method

Adds or updates a cache item.

public void set ( Yiisoft\Cache\Metadata\CacheItem $item )
$item Yiisoft\Cache\Metadata\CacheItem

The cache item.

 

                public function set(CacheItem $item): void
{
    $key = $item->key();
    if (!isset($this->items[$key])) {
        $this->items[$key] = $item;
        return;
    }
    $this->items[$key]->update($item->expiry(), $item->dependency());
}