1 <?php

     2 

     3 /*

     4  A dummy KeyCache used to exclude cache layer from problems

     5  

     6  This program is free software: you can redistribute it and/or modify

     7  it under the terms of the GNU General Public License as published by

     8  the Free Software Foundation, either version 3 of the License, or

     9  (at your option) any later version.

    10  

    11  This program is distributed in the hope that it will be useful,

    12  but WITHOUT ANY WARRANTY; without even the implied warranty of

    13  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

    14  GNU General Public License for more details.

    15 

    16  You should have received a copy of the GNU General Public License

    17  along with this program.  If not, see <http://www.gnu.org/licenses/>.

    18  

    19  */

    20 

    21 /**

    22  * A basic KeyCache backed by an array.

    23  * @package Swift

    24  * @subpackage KeyCache

    25  * @author Xavier De Cock <xdecock@gmail.com>

    26  */

    27 class Swift_KeyCache_DummyKeyCache implements Swift_KeyCache

    28 {

    29   /**

    30    * Set a string into the cache under $itemKey for the namespace $nsKey.

    31    * @param string $nsKey

    32    * @param string $itemKey

    33    * @param string $string

    34    * @param int $mode

    35    * @see MODE_WRITE, MODE_APPEND

    36    */

    37   public function setString($nsKey, $itemKey, $string, $mode)

    38   {}

    39   

    40   /**

    41    * Set a ByteStream into the cache under $itemKey for the namespace $nsKey.

    42    * @param string $nsKey

    43    * @param string $itemKey

    44    * @param Swift_OutputByteStream $os

    45    * @param int $mode

    46    * @see MODE_WRITE, MODE_APPEND

    47    */

    48   public function importFromByteStream($nsKey, $itemKey, Swift_OutputByteStream $os,

    49     $mode)

    50   {}

    51   

    52   /**

    53    * Provides a ByteStream which when written to, writes data to $itemKey.

    54    * NOTE: The stream will always write in append mode.

    55    * @param string $nsKey

    56    * @param string $itemKey

    57    * @return Swift_InputByteStream

    58    */

    59   public function getInputByteStream($nsKey, $itemKey,

    60     Swift_InputByteStream $writeThrough = null)

    61   {

    62     return false;

    63   }

    64   

    65   /**

    66    * Get data back out of the cache as a string.

    67    * @param string $nsKey

    68    * @param string $itemKey

    69    * @return string

    70    */

    71   public function getString($nsKey, $itemKey)

    72   {

    73     return false;

    74   }

    75   

    76   /**

    77    * Get data back out of the cache as a ByteStream.

    78    * @param string $nsKey

    79    * @param string $itemKey

    80    * @param Swift_InputByteStream $is to write the data to

    81    */

    82   public function exportToByteStream($nsKey, $itemKey, Swift_InputByteStream $is)

    83   {

    84     return false;

    85   }

    86   

    87   /**

    88    * Check if the given $itemKey exists in the namespace $nsKey.

    89    * @param string $nsKey

    90    * @param string $itemKey

    91    * @return boolean

    92    */

    93   public function hasKey($nsKey, $itemKey)

    94   {

    95     return false;

    96   }

    97   

    98   /**

    99    * Clear data for $itemKey in the namespace $nsKey if it exists.

   100    * @param string $nsKey

   101    * @param string $itemKey

   102    */

   103   public function clearKey($nsKey, $itemKey)

   104   {}

   105   

   106   /**

   107    * Clear all data in the namespace $nsKey if it exists.

   108    * @param string $nsKey

   109    */

   110   public function clearAll($nsKey)

   111   {}

   112 }