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1 <?php |
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2 /* |
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3 * $Id$ |
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4 * |
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5 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
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6 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
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7 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
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8 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
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9 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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10 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
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11 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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12 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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13 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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14 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
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15 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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16 * |
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17 * This software consists of voluntary contributions made by many individuals |
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18 * and is licensed under the LGPL. For more information, see |
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19 * <http://www.doctrine-project.org>. |
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20 */ |
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21 |
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22 namespace Doctrine\Common\Cache; |
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23 |
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24 use \Memcache; |
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25 |
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26 /** |
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27 * Memcache cache driver. |
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28 * |
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29 * @license http://www.opensource.org/licenses/lgpl-license.php LGPL |
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30 * @link www.doctrine-project.org |
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31 * @since 2.0 |
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32 * @version $Revision: 3938 $ |
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33 * @author Benjamin Eberlei <kontakt@beberlei.de> |
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34 * @author Guilherme Blanco <guilhermeblanco@hotmail.com> |
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35 * @author Jonathan Wage <jonwage@gmail.com> |
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36 * @author Roman Borschel <roman@code-factory.org> |
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37 * @author David Abdemoulaie <dave@hobodave.com> |
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38 */ |
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39 class MemcacheCache extends AbstractCache |
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40 { |
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41 /** |
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42 * @var Memcache |
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43 */ |
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44 private $_memcache; |
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45 |
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46 /** |
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47 * Sets the memcache instance to use. |
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48 * |
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49 * @param Memcache $memcache |
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50 */ |
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51 public function setMemcache(Memcache $memcache) |
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52 { |
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53 $this->_memcache = $memcache; |
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54 } |
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55 |
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56 /** |
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57 * Gets the memcache instance used by the cache. |
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58 * |
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59 * @return Memcache |
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60 */ |
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61 public function getMemcache() |
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62 { |
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63 return $this->_memcache; |
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64 } |
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65 |
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66 /** |
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67 * {@inheritdoc} |
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68 */ |
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69 public function getIds() |
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70 { |
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71 $keys = array(); |
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72 $allSlabs = $this->_memcache->getExtendedStats('slabs'); |
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73 |
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74 foreach ($allSlabs as $server => $slabs) { |
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75 if (is_array($slabs)) { |
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76 foreach (array_keys($slabs) as $slabId) { |
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77 $dump = $this->_memcache->getExtendedStats('cachedump', (int) $slabId); |
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78 |
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79 if ($dump) { |
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80 foreach ($dump as $entries) { |
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81 if ($entries) { |
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82 $keys = array_merge($keys, array_keys($entries)); |
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83 } |
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84 } |
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85 } |
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86 } |
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87 } |
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88 } |
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89 return $keys; |
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90 } |
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91 |
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92 /** |
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93 * {@inheritdoc} |
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94 */ |
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95 protected function _doFetch($id) |
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96 { |
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97 return $this->_memcache->get($id); |
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98 } |
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99 |
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100 /** |
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101 * {@inheritdoc} |
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102 */ |
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103 protected function _doContains($id) |
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104 { |
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105 return (bool) $this->_memcache->get($id); |
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106 } |
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107 |
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108 /** |
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109 * {@inheritdoc} |
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110 */ |
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111 protected function _doSave($id, $data, $lifeTime = 0) |
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112 { |
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113 return $this->_memcache->set($id, $data, 0, (int) $lifeTime); |
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114 } |
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115 |
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116 /** |
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117 * {@inheritdoc} |
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118 */ |
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119 protected function _doDelete($id) |
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120 { |
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121 return $this->_memcache->delete($id); |
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122 } |
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123 } |