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:     /**
 42:      * Set a ByteStream into the cache under $itemKey for the namespace $nsKey.
 43:      * @param string                 $nsKey
 44:      * @param string                 $itemKey
 45:      * @param Swift_OutputByteStream $os
 46:      * @param int                    $mode
 47:      * @see MODE_WRITE, MODE_APPEND
 48:      */
 49:     public function importFromByteStream($nsKey, $itemKey, Swift_OutputByteStream $os, $mode)
 50:     {
 51:     }
 52: 
 53:     /**
 54:      * Provides a ByteStream which when written to, writes data to $itemKey.
 55:      * NOTE: The stream will always write in append mode.
 56:      * @param  string                $nsKey
 57:      * @param  string                $itemKey
 58:      * @return Swift_InputByteStream
 59:      */
 60:     public function getInputByteStream($nsKey, $itemKey, 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:     /**
108:      * Clear all data in the namespace $nsKey if it exists.
109:      * @param string $nsKey
110:      */
111:     public function clearAll($nsKey)
112:     {
113:     }
114: }
115: