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1 <?php |
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2 |
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3 /* |
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4 * This file is part of SwiftMailer. |
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5 * (c) 2004-2009 Chris Corbyn |
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6 * |
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7 * For the full copyright and license information, please view the LICENSE |
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8 * file that was distributed with this source code. |
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9 */ |
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10 |
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11 |
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12 /** |
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13 * A null KeyCache that does not cache at all. |
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14 * @package Swift |
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15 * @subpackage KeyCache |
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16 * @author Chris Corbyn |
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17 */ |
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18 class Swift_KeyCache_NullKeyCache implements Swift_KeyCache |
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19 { |
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20 |
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21 /** |
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22 * Set a string into the cache under $itemKey for the namespace $nsKey. |
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23 * @param string $nsKey |
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24 * @param string $itemKey |
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25 * @param string $string |
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26 * @param int $mode |
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27 * @see MODE_WRITE, MODE_APPEND |
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28 */ |
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29 public function setString($nsKey, $itemKey, $string, $mode) |
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30 { |
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31 } |
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32 |
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33 /** |
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34 * Set a ByteStream into the cache under $itemKey for the namespace $nsKey. |
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35 * @param string $nsKey |
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36 * @param string $itemKey |
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37 * @param Swift_OutputByteStream $os |
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38 * @param int $mode |
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39 * @see MODE_WRITE, MODE_APPEND |
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40 */ |
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41 public function importFromByteStream($nsKey, $itemKey, Swift_OutputByteStream $os, |
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42 $mode) |
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43 { |
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44 } |
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45 |
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46 /** |
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47 * Provides a ByteStream which when written to, writes data to $itemKey. |
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48 * NOTE: The stream will always write in append mode. |
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49 * @param string $nsKey |
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50 * @param string $itemKey |
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51 * @return Swift_InputByteStream |
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52 */ |
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53 public function getInputByteStream($nsKey, $itemKey, |
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54 Swift_InputByteStream $writeThrough = null) |
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55 { |
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56 } |
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57 |
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58 /** |
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59 * Get data back out of the cache as a string. |
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60 * @param string $nsKey |
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61 * @param string $itemKey |
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62 * @return string |
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63 */ |
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64 public function getString($nsKey, $itemKey) |
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65 { |
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66 } |
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67 |
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68 /** |
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69 * Get data back out of the cache as a ByteStream. |
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70 * @param string $nsKey |
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71 * @param string $itemKey |
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72 * @param Swift_InputByteStream $is to write the data to |
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73 */ |
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74 public function exportToByteStream($nsKey, $itemKey, Swift_InputByteStream $is) |
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75 { |
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76 } |
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77 |
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78 /** |
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79 * Check if the given $itemKey exists in the namespace $nsKey. |
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80 * @param string $nsKey |
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81 * @param string $itemKey |
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82 * @return boolean |
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83 */ |
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84 public function hasKey($nsKey, $itemKey) |
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85 { |
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86 return false; |
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87 } |
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88 |
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89 /** |
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90 * Clear data for $itemKey in the namespace $nsKey if it exists. |
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91 * @param string $nsKey |
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92 * @param string $itemKey |
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93 */ |
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94 public function clearKey($nsKey, $itemKey) |
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95 { |
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96 } |
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97 |
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98 /** |
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99 * Clear all data in the namespace $nsKey if it exists. |
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100 * @param string $nsKey |
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101 */ |
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102 public function clearAll($nsKey) |
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103 { |
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104 } |
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105 |
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106 } |