1: <?php
  2: 
  3: namespace Alpha\Util\Cache;
  4: 
  5: use Alpha\Util\Logging\Logger;
  6: 
  7: /**
  8:  * An implementation of the CacheProviderInterface interface that uses an array as the
  9:  * target store.  Only useful for unit tests.
 10:  *
 11:  * @since 1.2.1
 12:  *
 13:  * @author John Collins <dev@alphaframework.org>
 14:  * @license http://www.opensource.org/licenses/bsd-license.php The BSD License
 15:  * @copyright Copyright (c) 2015, John Collins (founder of Alpha Framework).
 16:  * All rights reserved.
 17:  *
 18:  * <pre>
 19:  * Redistribution and use in source and binary forms, with or
 20:  * without modification, are permitted provided that the
 21:  * following conditions are met:
 22:  *
 23:  * * Redistributions of source code must retain the above
 24:  *   copyright notice, this list of conditions and the
 25:  *   following disclaimer.
 26:  * * Redistributions in binary form must reproduce the above
 27:  *   copyright notice, this list of conditions and the
 28:  *   following disclaimer in the documentation and/or other
 29:  *   materials provided with the distribution.
 30:  * * Neither the name of the Alpha Framework nor the names
 31:  *   of its contributors may be used to endorse or promote
 32:  *   products derived from this software without specific
 33:  *   prior written permission.
 34:  *
 35:  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
 36:  * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
 37:  * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
 38:  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 39:  * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
 40:  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 41:  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 42:  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 43:  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 44:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 45:  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
 46:  * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 47:  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 48:  * </pre>
 49:  */
 50: class CacheProviderArray implements CacheProviderInterface
 51: {
 52:     /**
 53:      * Trace logger.
 54:      *
 55:      * @var Alpha\Util\Logging\Logger
 56:      *
 57:      * @since 1.2.1
 58:      */
 59:     private static $logger = null;
 60: 
 61:     /**
 62:      * The hash array containing the cached items.
 63:      *
 64:      * @var array
 65:      *
 66:      * @since 1.2.1
 67:      */
 68:     public static $cacheArray = array();
 69: 
 70:     /**
 71:      * Constructor.
 72:      *
 73:      * @since 1.2.1
 74:      */
 75:     public function __construct()
 76:     {
 77:         self::$logger = new Logger('CacheProviderArray');
 78:     }
 79: 
 80:     /**
 81:      * {@inheritdoc}
 82:      */
 83:     public function get($key)
 84:     {
 85:         self::$logger->debug('>>get(key=['.$key.'])');
 86: 
 87:         self::$logger->debug('Getting value for key ['.$key.']');
 88: 
 89:         if (array_key_exists($key, self::$cacheArray)) {
 90:             return self::$cacheArray[$key];
 91:         } else {
 92:             return false;
 93:         }
 94:     }
 95: 
 96:     /**
 97:      * {@inheritdoc}
 98:      */
 99:     public function set($key, $value, $expiry = 0)
100:     {
101:         self::$logger->debug('Setting value for key ['.$key.']');
102: 
103:         self::$cacheArray[$key] = $value;
104:     }
105: 
106:     /**
107:      * {@inheritdoc}
108:      */
109:     public function delete($key)
110:     {
111:         self::$logger->debug('Removing value for key ['.$key.']');
112: 
113:         unset(self::$cacheArray[$key]);
114:     }
115: }
116: