Complex classes like Configuration often do a lot of different things. To break such a class down, we need to identify a cohesive component within that class. A common approach to find such a component is to look for fields/methods that share the same prefixes, or suffixes. You can also have a look at the cohesion graph to spot any un-connected, or weakly-connected components.
Once you have determined the fields that belong together, you can apply the Extract Class refactoring. If the component makes sense as a sub-class, Extract Subclass is also a candidate, and is often faster.
While breaking up the class, it is a good idea to analyze how other classes use Configuration, and based on these observations, apply Extract Interface, too.
| 1 | <?php |
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| 35 | class Configuration |
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| 36 | { |
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| 37 | /** |
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| 38 | * Array of attributes for this configuration instance. |
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| 39 | * |
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| 40 | * @var array |
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| 41 | */ |
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| 42 | private $attributes = []; |
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| 43 | |||
| 44 | /** |
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| 45 | * Never autogenerate a proxy/hydrator/persistent collection and rely that |
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| 46 | * it was generated by some process before deployment. Copied from |
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| 47 | * \Doctrine\Common\Proxy\AbstractProxyFactory. |
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| 48 | * |
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| 49 | * @var integer |
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| 50 | */ |
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| 51 | public const AUTOGENERATE_NEVER = 0; |
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| 52 | |||
| 53 | /** |
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| 54 | * Always generates a new proxy/hydrator/persistent collection in every request. |
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| 55 | * |
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| 56 | * This is only sane during development. |
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| 57 | * Copied from \Doctrine\Common\Proxy\AbstractProxyFactory. |
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| 58 | * |
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| 59 | * @var integer |
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| 60 | */ |
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| 61 | public const AUTOGENERATE_ALWAYS = 1; |
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| 62 | |||
| 63 | /** |
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| 64 | * Autogenerate the proxy/hydrator/persistent collection class when the file does not exist. |
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| 65 | * |
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| 66 | * This strategy causes a file exists call whenever any proxy/hydrator is used the |
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| 67 | * first time in a request. Copied from \Doctrine\Common\Proxy\AbstractProxyFactory. |
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| 68 | * |
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| 69 | * @var integer |
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| 70 | */ |
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| 71 | public const AUTOGENERATE_FILE_NOT_EXISTS = 2; |
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| 72 | |||
| 73 | /** |
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| 74 | * Generate the proxy/hydrator/persistent collection classes using eval(). |
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| 75 | * |
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| 76 | * This strategy is only sane for development. |
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| 77 | * Copied from \Doctrine\Common\Proxy\AbstractProxyFactory. |
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| 78 | * |
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| 79 | * @var integer |
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| 80 | */ |
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| 81 | public const AUTOGENERATE_EVAL = 3; |
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| 82 | |||
| 83 | /** |
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| 84 | * Adds a namespace under a certain alias. |
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| 85 | */ |
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| 86 | public function addDocumentNamespace(string $alias, string $namespace): void |
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| 87 | { |
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| 88 | $this->attributes['documentNamespaces'][$alias] = $namespace; |
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| 89 | } |
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| 90 | |||
| 91 | /** |
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| 92 | * Resolves a registered namespace alias to the full namespace. |
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| 93 | * |
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| 94 | * @throws MongoDBException |
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| 95 | */ |
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| 96 | public function getDocumentNamespace(string $documentNamespaceAlias): string |
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| 97 | { |
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| 98 | if (! isset($this->attributes['documentNamespaces'][$documentNamespaceAlias])) { |
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| 99 | throw MongoDBException::unknownDocumentNamespace($documentNamespaceAlias); |
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| 100 | } |
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| 101 | |||
| 102 | return trim($this->attributes['documentNamespaces'][$documentNamespaceAlias], '\\'); |
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| 103 | } |
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| 104 | |||
| 105 | /** |
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| 106 | * Retrieves the list of registered document namespace aliases. |
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| 107 | */ |
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| 108 | public function getDocumentNamespaces(): array |
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| 109 | { |
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| 110 | return $this->attributes['documentNamespaces']; |
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| 111 | } |
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| 112 | |||
| 113 | /** |
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| 114 | * Set the document alias map |
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| 115 | */ |
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| 116 | public function setDocumentNamespaces(array $documentNamespaces): void |
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| 117 | { |
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| 118 | $this->attributes['documentNamespaces'] = $documentNamespaces; |
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| 119 | } |
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| 120 | |||
| 121 | /** |
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| 122 | * Sets the cache driver implementation that is used for metadata caching. |
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| 123 | * |
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| 124 | 1627 | * @todo Force parameter to be a Closure to ensure lazy evaluation |
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| 125 | * (as soon as a metadata cache is in effect, the driver never needs to initialize). |
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| 126 | 1627 | */ |
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| 127 | 1627 | public function setMetadataDriverImpl(MappingDriver $driverImpl): void |
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| 128 | { |
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| 129 | $this->attributes['metadataDriverImpl'] = $driverImpl; |
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| 130 | } |
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| 131 | |||
| 132 | /** |
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| 133 | * Add a new default annotation driver with a correctly configured annotation reader. |
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| 134 | */ |
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| 135 | public function newDefaultAnnotationDriver(array $paths = []): AnnotationDriver |
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| 136 | { |
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| 137 | $reader = new AnnotationReader(); |
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| 138 | |||
| 139 | return new AnnotationDriver($reader, (array) $paths); |
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| 140 | } |
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| 141 | |||
| 142 | 1369 | /** |
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| 143 | * Gets the cache driver implementation that is used for the mapping metadata. |
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| 144 | 1369 | */ |
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| 145 | public function getMetadataDriverImpl(): ?MappingDriver |
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| 146 | { |
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| 147 | 1584 | return $this->attributes['metadataDriverImpl'] ?? null; |
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| 148 | } |
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| 149 | 1584 | ||
| 150 | public function getMetadataCacheImpl(): ?Cache |
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| 151 | { |
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| 152 | return $this->attributes['metadataCacheImpl'] ?? null; |
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| 153 | } |
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| 154 | |||
| 155 | public function setMetadataCacheImpl(Cache $cacheImpl): void |
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| 156 | { |
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| 157 | $this->attributes['metadataCacheImpl'] = $cacheImpl; |
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| 158 | } |
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| 159 | |||
| 160 | 1584 | /** |
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| 161 | * Sets the directory where Doctrine generates any necessary proxy class files. |
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| 162 | 1584 | */ |
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| 163 | 1584 | public function setProxyDir(string $dir): void |
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| 164 | { |
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| 165 | $this->attributes['proxyDir'] = $dir; |
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| 166 | } |
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| 167 | |||
| 168 | 1584 | /** |
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| 169 | * Gets the directory where Doctrine generates any necessary proxy class files. |
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| 170 | 1584 | */ |
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| 171 | public function getProxyDir(): ?string |
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| 172 | { |
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| 173 | return $this->attributes['proxyDir'] ?? null; |
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| 174 | } |
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| 175 | |||
| 176 | /** |
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| 177 | 1584 | * Gets an int flag that indicates whether proxy classes should always be regenerated |
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| 178 | * during each script execution. |
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| 179 | 1584 | */ |
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| 180 | public function getAutoGenerateProxyClasses(): int |
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| 181 | { |
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| 182 | return $this->attributes['autoGenerateProxyClasses'] ?? self::AUTOGENERATE_ALWAYS; |
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| 183 | } |
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| 184 | |||
| 185 | /** |
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| 186 | * Sets an int flag that indicates whether proxy classes should always be regenerated |
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| 187 | * during each script execution. |
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| 188 | */ |
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| 189 | public function setAutoGenerateProxyClasses(int $mode): void |
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| 190 | { |
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| 191 | 1584 | $this->attributes['autoGenerateProxyClasses'] = $mode; |
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| 192 | } |
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| 193 | 1584 | ||
| 194 | public function getProxyNamespace(): ?string |
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| 195 | { |
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| 196 | 1584 | return $this->attributes['proxyNamespace'] ?? null; |
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| 197 | } |
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| 198 | 1584 | ||
| 199 | 1584 | public function setProxyNamespace(string $ns): void |
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| 200 | { |
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| 201 | 1584 | $this->attributes['proxyNamespace'] = $ns; |
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| 202 | } |
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| 203 | 1584 | ||
| 204 | 1584 | public function setHydratorDir(string $dir): void |
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| 205 | { |
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| 206 | 1584 | $this->attributes['hydratorDir'] = $dir; |
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| 207 | } |
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| 208 | 1584 | ||
| 209 | public function getHydratorDir(): ?string |
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| 210 | { |
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| 211 | return $this->attributes['hydratorDir'] ?? null; |
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| 212 | } |
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| 213 | |||
| 214 | /** |
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| 215 | 1584 | * Gets an int flag that indicates whether hydrator classes should always be regenerated |
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| 216 | * during each script execution. |
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| 217 | 1584 | */ |
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| 218 | public function getAutoGenerateHydratorClasses(): int |
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| 219 | { |
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| 220 | return $this->attributes['autoGenerateHydratorClasses'] ?? self::AUTOGENERATE_ALWAYS; |
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| 221 | } |
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| 222 | |||
| 223 | /** |
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| 224 | * Sets an int flag that indicates whether hydrator classes should always be regenerated |
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| 225 | * during each script execution. |
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| 226 | */ |
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| 227 | public function setAutoGenerateHydratorClasses(int $mode): void |
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| 228 | { |
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| 229 | 1584 | $this->attributes['autoGenerateHydratorClasses'] = $mode; |
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| 230 | } |
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| 231 | 1584 | ||
| 232 | public function getHydratorNamespace(): ?string |
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| 233 | { |
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| 234 | 1584 | return $this->attributes['hydratorNamespace'] ?? null; |
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| 235 | } |
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| 236 | 1584 | ||
| 237 | 1584 | public function setHydratorNamespace(string $ns): void |
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| 238 | { |
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| 239 | 1584 | $this->attributes['hydratorNamespace'] = $ns; |
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| 240 | } |
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| 241 | 1584 | ||
| 242 | 1584 | public function setPersistentCollectionDir(string $dir): void |
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| 243 | { |
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| 244 | 11 | $this->attributes['persistentCollectionDir'] = $dir; |
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| 245 | } |
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| 246 | 11 | ||
| 247 | public function getPersistentCollectionDir(): ?string |
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| 248 | { |
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| 249 | return $this->attributes['persistentCollectionDir'] ?? null; |
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| 250 | } |
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| 251 | |||
| 252 | /** |
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| 253 | 7 | * Gets a integer flag that indicates how and when persistent collection |
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| 254 | * classes should be generated. |
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| 255 | 7 | */ |
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| 256 | public function getAutoGeneratePersistentCollectionClasses(): int |
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| 257 | { |
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| 258 | return $this->attributes['autoGeneratePersistentCollectionClasses'] ?? self::AUTOGENERATE_ALWAYS; |
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| 259 | } |
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| 260 | |||
| 261 | /** |
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| 262 | * Sets a integer flag that indicates how and when persistent collection |
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| 263 | * classes should be generated. |
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| 264 | */ |
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| 265 | public function setAutoGeneratePersistentCollectionClasses(int $mode): void |
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| 266 | { |
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| 267 | 11 | $this->attributes['autoGeneratePersistentCollectionClasses'] = $mode; |
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| 268 | } |
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| 269 | 11 | ||
| 270 | public function getPersistentCollectionNamespace(): ?string |
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| 271 | { |
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| 272 | 1584 | return $this->attributes['persistentCollectionNamespace'] ?? null; |
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| 273 | } |
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| 274 | 1584 | ||
| 275 | 1584 | public function setPersistentCollectionNamespace(string $ns): void |
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| 276 | { |
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| 277 | $this->attributes['persistentCollectionNamespace'] = $ns; |
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| 278 | } |
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| 279 | |||
| 280 | /** |
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| 281 | 1584 | * Sets the default DB to use for all Documents that do not specify |
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| 282 | * a database. |
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| 283 | 1584 | */ |
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| 284 | 1584 | public function setDefaultDB(string $defaultDB): void |
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| 285 | { |
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| 286 | $this->attributes['defaultDB'] = $defaultDB; |
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| 287 | } |
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| 288 | |||
| 289 | 1252 | /** |
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| 290 | * Gets the default DB to use for all Documents that do not specify a database. |
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| 291 | 1252 | */ |
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| 292 | public function getDefaultDB(): ?string |
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| 293 | { |
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| 294 | return $this->attributes['defaultDB'] ?? null; |
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| 295 | } |
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| 296 | |||
| 297 | public function setClassMetadataFactoryName(string $cmfName): void |
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| 298 | { |
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| 299 | 1584 | $this->attributes['classMetadataFactoryName'] = $cmfName; |
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| 300 | } |
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| 301 | 1584 | ||
| 302 | 1584 | public function getClassMetadataFactoryName(): string |
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| 303 | { |
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| 304 | 1584 | if (! isset($this->attributes['classMetadataFactoryName'])) { |
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| 305 | $this->attributes['classMetadataFactoryName'] = ClassMetadataFactory::class; |
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| 306 | } |
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| 307 | 551 | return $this->attributes['classMetadataFactoryName']; |
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| 308 | } |
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| 309 | 551 | ||
| 310 | public function getDefaultCommitOptions(): array |
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| 311 | { |
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| 312 | 1 | return $this->attributes['defaultCommitOptions'] ?? ['w' => 1]; |
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| 313 | } |
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| 314 | 1 | ||
| 315 | 1 | public function setDefaultCommitOptions(array $defaultCommitOptions): void |
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| 316 | { |
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| 317 | $this->attributes['defaultCommitOptions'] = $defaultCommitOptions; |
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| 318 | } |
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| 319 | |||
| 320 | 1584 | /** |
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| 321 | * Add a filter to the list of possible filters. |
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| 322 | 1584 | */ |
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| 323 | 1584 | public function addFilter(string $name, string $className, array $parameters = []): void |
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| 324 | 1584 | { |
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| 325 | $this->attributes['filters'][$name] = [ |
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| 326 | 1584 | 'class' => $className, |
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| 327 | 'parameters' => $parameters, |
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| 328 | 24 | ]; |
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| 329 | } |
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| 330 | 24 | ||
| 331 | 24 | public function getFilterClassName(string $name): ?string |
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| 332 | 24 | { |
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| 333 | return isset($this->attributes['filters'][$name]) |
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| 334 | ? $this->attributes['filters'][$name]['class'] |
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| 335 | 23 | : null; |
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| 336 | } |
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| 337 | 23 | ||
| 338 | 23 | public function getFilterParameters(string $name): ?array |
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| 339 | 23 | { |
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| 340 | return isset($this->attributes['filters'][$name]) |
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| 341 | ? $this->attributes['filters'][$name]['parameters'] |
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| 342 | : null; |
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| 343 | } |
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| 344 | |||
| 345 | /** |
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| 346 | * @throws MongoDBException If not is a ObjectRepository. |
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| 347 | */ |
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| 348 | public function setDefaultDocumentRepositoryClassName(string $className): void |
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| 349 | { |
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| 350 | $reflectionClass = new \ReflectionClass($className); |
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| 351 | |||
| 352 | if (! $reflectionClass->implementsInterface(ObjectRepository::class)) { |
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| 353 | throw MongoDBException::invalidDocumentRepository($className); |
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| 354 | } |
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| 355 | |||
| 356 | 319 | $this->attributes['defaultDocumentRepositoryClassName'] = $className; |
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| 357 | } |
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| 358 | 319 | ||
| 359 | public function getDefaultDocumentRepositoryClassName(): string |
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| 360 | { |
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| 361 | 2 | return $this->attributes['defaultDocumentRepositoryClassName'] ?? DocumentRepository::class; |
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| 362 | } |
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| 363 | 2 | ||
| 364 | 2 | /** |
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| 365 | * @throws MongoDBException If the class does not implement the GridFSRepository interface. |
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| 366 | 1584 | */ |
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| 367 | public function setDefaultGridFSRepositoryClassName(string $className): void |
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| 368 | 1584 | { |
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| 369 | $reflectionClass = new \ReflectionClass($className); |
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| 370 | |||
| 371 | if (! $reflectionClass->implementsInterface(GridFSRepository::class)) { |
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| 372 | throw MongoDBException::invalidGridFSRepository($className); |
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| 373 | } |
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| 374 | |||
| 375 | $this->attributes['defaultGridFSRepositoryClassName'] = $className; |
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| 376 | 390 | } |
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| 377 | |||
| 378 | 390 | public function getDefaultGridFSRepositoryClassName(): string |
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| 379 | 390 | { |
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| 380 | return $this->attributes['defaultGridFSRepositoryClassName'] ?? DefaultGridFSRepository::class; |
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| 381 | 390 | } |
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| 382 | |||
| 383 | public function setRepositoryFactory(RepositoryFactory $repositoryFactory): void |
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| 384 | { |
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| 385 | $this->attributes['repositoryFactory'] = $repositoryFactory; |
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| 386 | } |
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| 387 | |||
| 388 | public function getRepositoryFactory(): RepositoryFactory |
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| 392 | 8 | ||
| 393 | 8 | public function setPersistentCollectionFactory(PersistentCollectionFactory $persistentCollectionFactory): void |
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| 394 | 8 | { |
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| 395 | $this->attributes['persistentCollectionFactory'] = $persistentCollectionFactory; |
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| 396 | } |
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| 397 | 8 | ||
| 398 | public function getPersistentCollectionFactory(): PersistentCollectionFactory |
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| 399 | { |
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| 400 | if (! isset($this->attributes['persistentCollectionFactory'])) { |
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| 401 | $this->attributes['persistentCollectionFactory'] = new DefaultPersistentCollectionFactory(); |
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| 402 | } |
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| 403 | return $this->attributes['persistentCollectionFactory']; |
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| 404 | } |
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| 405 | |||
| 406 | public function setPersistentCollectionGenerator(PersistentCollectionGenerator $persistentCollectionGenerator): void |
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| 407 | { |
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| 408 | $this->attributes['persistentCollectionGenerator'] = $persistentCollectionGenerator; |
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| 409 | } |
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| 410 | |||
| 411 | public function getPersistentCollectionGenerator(): PersistentCollectionGenerator |
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| 412 | { |
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| 413 | if (! isset($this->attributes['persistentCollectionGenerator'])) { |
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| 414 | $this->attributes['persistentCollectionGenerator'] = new DefaultPersistentCollectionGenerator( |
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| 415 | $this->getPersistentCollectionDir(), |
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| 416 | $this->getPersistentCollectionNamespace() |
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| 417 | ); |
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| 418 | } |
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| 419 | return $this->attributes['persistentCollectionGenerator']; |
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| 420 | } |
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| 421 | } |
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| 422 |