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1 <?php |
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2 /** |
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3 * Zend Framework |
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4 * |
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5 * LICENSE |
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6 * |
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7 * This source file is subject to the new BSD license that is bundled |
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8 * with this package in the file LICENSE.txt. |
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9 * It is also available through the world-wide-web at this URL: |
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10 * http://framework.zend.com/license/new-bsd |
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11 * If you did not receive a copy of the license and are unable to |
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12 * obtain it through the world-wide-web, please send an email |
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13 * to license@zend.com so we can send you a copy immediately. |
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14 * |
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15 * @category Zend |
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16 * @package Zend_Memory |
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17 * @copyright Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com) |
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18 * @license http://framework.zend.com/license/new-bsd New BSD License |
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19 * @version $Id: Interface.php 20096 2010-01-06 02:05:09Z bkarwin $ |
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20 */ |
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21 |
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22 /** |
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23 * Memory value container interface |
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24 * |
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25 * @category Zend |
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26 * @package Zend_Memory |
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27 * @copyright Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com) |
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28 * @license http://framework.zend.com/license/new-bsd New BSD License |
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29 */ |
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30 interface Zend_Memory_Container_Interface |
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31 { |
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32 /** |
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33 * Get string value reference |
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34 * |
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35 * _Must_ be used for value access before PHP v 5.2 |
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36 * or _may_ be used for performance considerations |
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37 * |
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38 * @return &string |
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39 */ |
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40 public function &getRef(); |
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41 |
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42 /** |
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43 * Signal, that value is updated by external code. |
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44 * |
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45 * Should be used together with getRef() |
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46 */ |
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47 public function touch(); |
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48 |
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49 /** |
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50 * Lock object in memory. |
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51 */ |
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52 public function lock(); |
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53 |
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54 /** |
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55 * Unlock object |
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56 */ |
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57 public function unlock(); |
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58 |
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59 /** |
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60 * Return true if object is locked |
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61 * |
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62 * @return boolean |
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63 */ |
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64 public function isLocked(); |
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65 } |
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66 |