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oligriffiths/cacheable.php

Last active August 29, 2015 14:16
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Revisions

  1. oligriffiths revised this gist Mar 6, 2015. 1 changed file with 20 additions and 3 deletions.
    23 changes: 20 additions & 3 deletions cacheable.php
    View file
    Original file line number Diff line number Diff line change
    @@ -11,6 +11,23 @@

    class ModelBehaviorCacheable extends Library\ModelBehaviorAbstract
    {
    /**
    * Initializes the options for the object
    *
    * Called from {@link __construct()} as a first step of object instantiation.
    *
    * @param ObjectConfig $config A ObjectConfig object with configuration options
    * @return void
    */
    protected function _initialize(Library\ObjectConfig $config)
    {
    $config->append(array(
    'cache_prefix' => 'model-cache',
    'cache_ttl' => 0,
    ));
    parent::_initialize($config);
    }

    /**
    * If APC is not loaded, behavior is disabled
    *
    @@ -60,15 +77,15 @@ protected function _afterFetch(Library\ModelContextInterface $context)
    $key = $this->_buildCacheKey($context->getState());

    $entity = $context->getEntity();

    $data = array(
    'identifier' => (string) $entity->getIdentifier(),
    'identity_key' => $entity->getIdentityKey(),
    'data' => $entity->toArray(),
    'status' => $entity->getStatus()
    );

    apc_store($key, $data);
    apc_store($key, $data, $this->getConfig()->cache_ttl);
    }

    /**
    @@ -85,6 +102,6 @@ protected function _buildCacheKey(Library\ModelState $state)
    $query = http_build_query($values);
    $identifier = $this->getMixer()->getIdentifier();

    return 'model-cache:'.$identifier.'?'.$query;
    return $this->getConfig()->cache_prefix.':'.$identifier.'?'.$query;
    }
    }
  2. oligriffiths revised this gist Mar 6, 2015. 1 changed file with 1 addition and 0 deletions.
    1 change: 1 addition & 0 deletions cacheable.php
    View file
    Original file line number Diff line number Diff line change
    @@ -60,6 +60,7 @@ protected function _afterFetch(Library\ModelContextInterface $context)
    $key = $this->_buildCacheKey($context->getState());

    $entity = $context->getEntity();

    $data = array(
    'identifier' => (string) $entity->getIdentifier(),
    'identity_key' => $entity->getIdentityKey(),
  3. oligriffiths created this gist Mar 6, 2015.
    89 changes: 89 additions & 0 deletions cacheable.php
    View file
    Original file line number Diff line number Diff line change
    @@ -0,0 +1,89 @@
    <?php
    /**
    * User: Oli Griffiths
    * Date: 06/03/15
    * Time: 09:53
    */

    namespace Oligriffiths\Component\Foursquare;

    use Nooku\Library;

    class ModelBehaviorCacheable extends Library\ModelBehaviorAbstract
    {
    /**
    * If APC is not loaded, behavior is disabled
    *
    * @return bool
    */
    public function isSupported()
    {
    return extension_loaded('apc');
    }

    /**
    * Pre-fetch, attempts to load data from cache
    *
    * @param Library\ModelContextInterface $context
    * @return bool
    */
    protected function _beforeFetch(Library\ModelContextInterface $context)
    {
    $key = $this->_buildCacheKey($context->getState());
    $data = apc_fetch($key);

    //Ensure data was found and all the correct parameters are set
    if(false === $data ||
    !is_array($data) ||
    !isset($data['identifier']) ||
    !isset($data['data']) ||
    !isset($data['status']) ||
    !isset($data['identity_key'])) return;

    //Create entity with cached data
    $context->entity = $this->getObject($data['identifier'], array(
    'identity_key' => $data['identity_key'],
    'data' => $data['data'],
    'status' => $data['status']
    ));

    return false;
    }

    /**
    * Post fetch stores data in cache
    *
    * @param Library\ModelContextInterface $context
    */
    protected function _afterFetch(Library\ModelContextInterface $context)
    {
    $key = $this->_buildCacheKey($context->getState());

    $entity = $context->getEntity();
    $data = array(
    'identifier' => (string) $entity->getIdentifier(),
    'identity_key' => $entity->getIdentityKey(),
    'data' => $entity->toArray(),
    'status' => $entity->getStatus()
    );

    apc_store($key, $data);
    }

    /**
    * Builds a cache identifier using state data
    *
    * @param Library\ModelState $state
    * @return string
    */
    protected function _buildCacheKey(Library\ModelState $state)
    {
    $values = $state->getValues();
    ksort($values);

    $query = http_build_query($values);
    $identifier = $this->getMixer()->getIdentifier();

    return 'model-cache:'.$identifier.'?'.$query;
    }
    }