1 | <?php |
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29 | final class ProjectDescriptorMapper |
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30 | { |
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31 | const FILE_PREFIX = 'file_'; |
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32 | |||
33 | const KEY_SETTINGS = 'settings'; |
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34 | |||
35 | /** @var StorageInterface|IterableInterface */ |
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36 | private $cache; |
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37 | |||
38 | /** |
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39 | * Initializes this mapper with the given cache instance. |
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40 | */ |
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41 | 3 | public function __construct(StorageInterface $cache) |
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42 | { |
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43 | 3 | if (!$cache instanceof IterableInterface) { |
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44 | 1 | throw new InvalidArgumentException( |
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45 | 1 | 'ProjectDescriptorMapper should also be an iterable Storage type' |
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46 | ); |
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47 | } |
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48 | |||
49 | 3 | $this->cache = $cache; |
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50 | 3 | } |
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51 | |||
52 | /** |
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53 | * Returns the Cache instance for this Mapper. |
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54 | */ |
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55 | 1 | public function getCache(): StorageInterface |
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56 | { |
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57 | 1 | return $this->cache; |
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58 | } |
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59 | |||
60 | /** |
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61 | * Returns the Project Descriptor from the cache. |
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62 | */ |
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63 | 1 | public function populate(ProjectDescriptor $projectDescriptor): void |
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64 | { |
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65 | 1 | $this->loadCacheItemAsSettings($projectDescriptor, self::KEY_SETTINGS); |
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66 | |||
67 | 1 | foreach ($this->getCache() as $key) { |
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68 | 1 | $this->loadCacheItemAsFile($projectDescriptor, $key); |
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69 | } |
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70 | 1 | } |
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71 | |||
72 | /** |
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73 | * Stores a Project Descriptor in the Cache. |
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74 | */ |
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75 | 1 | public function save(ProjectDescriptor $projectDescriptor): void |
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76 | { |
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77 | 1 | $keys = []; |
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78 | 1 | $cache = $this->getCache(); |
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79 | |||
80 | 1 | foreach ($cache as $key) { |
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81 | $keys[] = $key; |
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82 | } |
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83 | |||
84 | // store the settings for this Project Descriptor |
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85 | 1 | $cache->setItem(self::KEY_SETTINGS, $projectDescriptor->getSettings()); |
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86 | |||
87 | // store cache items |
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88 | 1 | $usedKeys = [self::KEY_SETTINGS]; |
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89 | 1 | foreach ($projectDescriptor->getFiles() as $file) { |
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90 | $key = self::FILE_PREFIX . md5($file->getPath()); |
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91 | $usedKeys[] = $key; |
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92 | $cache->setItem($key, $file); |
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93 | } |
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94 | |||
95 | // remove any keys that are no longer used. |
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96 | 1 | $invalidatedKeys = array_diff($keys, $usedKeys); |
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97 | 1 | if ($invalidatedKeys) { |
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98 | $cache->removeItems($invalidatedKeys); |
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99 | } |
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100 | |||
101 | 1 | if ($cache instanceof OptimizableInterface) { |
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102 | $cache->optimize(); |
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103 | } |
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104 | 1 | } |
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105 | |||
106 | /** |
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107 | * Removes all files in cache that do not occur in the given FileSet Collection. |
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108 | * |
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109 | * @todo restore this? |
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110 | */ |
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111 | public function garbageCollect($collection) |
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112 | { |
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113 | // $projectRoot = $collection->getProjectRoot(); |
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114 | // $filenames = $collection->getFilenames(); |
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115 | // |
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116 | // foreach ($filenames as &$name) { |
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117 | // // the cache key contains a path relative to the project root; here we expect absolute paths. |
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118 | // $name = self::FILE_PREFIX . md5(substr($name, strlen($projectRoot))); |
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119 | // } |
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120 | // |
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121 | // foreach ($this->getCache() as $item) { |
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122 | // if (substr($item, 0, strlen(self::FILE_PREFIX)) === self::FILE_PREFIX && |
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123 | // !in_array($item, $filenames, true) |
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124 | // ) { |
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125 | // $this->getCache()->removeItem($item); |
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126 | // } |
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127 | // } |
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128 | } |
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129 | |||
130 | private function loadCacheItemAsFile(ProjectDescriptor $projectDescriptor, string $key): void |
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138 | |||
139 | private function loadCacheItemAsSettings(ProjectDescriptor $projectDescriptor, string $key): void |
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140 | { |
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141 | $item = $this->getCache()->getItem($key); |
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142 | |||
143 | if ($item instanceof Settings) { |
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147 | } |
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148 |