58 lines
1.8 KiB
PHP
58 lines
1.8 KiB
PHP
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<?php
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namespace Guzzle\Cache;
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/**
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* Cache adapter that defers to closures for implementation
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*/
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class ClosureCacheAdapter implements CacheAdapterInterface
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{
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/**
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* @var array Mapping of method names to callables
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*/
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protected $callables;
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/**
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* The callables array is an array mapping the actions of the cache adapter to callables.
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* - contains: Callable that accepts an $id and $options argument
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* - delete: Callable that accepts an $id and $options argument
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* - fetch: Callable that accepts an $id and $options argument
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* - save: Callable that accepts an $id, $data, $lifeTime, and $options argument
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*
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* @param array $callables array of action names to callable
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*
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* @throws \InvalidArgumentException if the callable is not callable
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*/
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public function __construct(array $callables)
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{
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// Validate each key to ensure it exists and is callable
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foreach (array('contains', 'delete', 'fetch', 'save') as $key) {
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if (!array_key_exists($key, $callables) || !is_callable($callables[$key])) {
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throw new \InvalidArgumentException("callables must contain a callable {$key} key");
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}
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}
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$this->callables = $callables;
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}
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public function contains($id, array $options = null)
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{
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return call_user_func($this->callables['contains'], $id, $options);
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}
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public function delete($id, array $options = null)
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{
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return call_user_func($this->callables['delete'], $id, $options);
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}
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public function fetch($id, array $options = null)
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{
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return call_user_func($this->callables['fetch'], $id, $options);
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}
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public function save($id, $data, $lifeTime = false, array $options = null)
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{
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return call_user_func($this->callables['save'], $id, $data, $lifeTime, $options);
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}
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}
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