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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| 21 | class Configuration extends DBALConfiguration |
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| 22 | { |
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| 23 | /** |
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| 24 | * Set the cache key for the metadata cache. Cache key |
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| 25 | * is assembled as "doctrine.cache.{key}" and pulled from |
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| 26 | * service locator. |
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| 27 | * |
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| 28 | * @var string |
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| 29 | */ |
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| 30 | protected $metadataCache = 'array'; |
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| 31 | |||
| 32 | /** |
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| 33 | * Set the cache key for the query cache. Cache key |
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| 34 | * is assembled as "doctrine.cache.{key}" and pulled from |
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| 35 | * service locator. |
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| 36 | * |
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| 37 | * @var string |
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| 38 | */ |
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| 39 | protected $queryCache = 'array'; |
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| 40 | |||
| 41 | /** |
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| 42 | * Set the cache key for the result cache. Cache key |
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| 43 | * is assembled as "doctrine.cache.{key}" and pulled from |
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| 44 | * service locator. |
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| 45 | * |
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| 46 | * @var string |
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| 47 | */ |
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| 48 | protected $resultCache = 'array'; |
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| 49 | |||
| 50 | /** |
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| 51 | * Set the cache key for the hydration cache. Cache key |
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| 52 | * is assembled as "doctrine.cache.{key}" and pulled from |
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| 53 | * service locator. |
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| 54 | * |
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| 55 | * @var string |
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| 56 | */ |
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| 57 | protected $hydrationCache = 'array'; |
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| 58 | |||
| 59 | /** |
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| 60 | * Set the driver key for the metadata driver. Driver key |
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| 61 | * is assembled as "doctrine.driver.{key}" and pulled from |
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| 62 | * service locator. |
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| 63 | * |
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| 64 | * @var string |
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| 65 | */ |
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| 66 | protected $driver = 'orm_default'; |
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| 67 | |||
| 68 | /** |
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| 69 | * Automatic generation of proxies (disable for production!) |
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| 70 | * |
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| 71 | * @var bool |
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| 72 | */ |
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| 73 | protected $generateProxies = true; |
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| 74 | |||
| 75 | /** |
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| 76 | * Proxy directory. |
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| 77 | * |
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| 78 | * @var string |
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| 79 | */ |
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| 80 | protected $proxyDir = 'data'; |
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| 81 | |||
| 82 | /** |
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| 83 | * Proxy namespace. |
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| 84 | * |
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| 85 | * @var string |
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| 86 | */ |
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| 87 | protected $proxyNamespace = 'DoctrineORMModule\Proxy'; |
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| 88 | |||
| 89 | /** |
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| 90 | * Entity alias map. |
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| 91 | * |
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| 92 | * @var mixed[] |
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| 93 | */ |
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| 94 | protected $entityNamespaces = []; |
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| 95 | |||
| 96 | /** |
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| 97 | * Keys must be function names and values the FQCN of the implementing class. |
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| 98 | * The function names will be case-insensitive in DQL. |
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| 99 | * |
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| 100 | * @var mixed[] |
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| 101 | */ |
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| 102 | protected $datetimeFunctions = []; |
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| 103 | |||
| 104 | /** |
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| 105 | * Keys must be function names and values the FQCN of the implementing class. |
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| 106 | * The function names will be case-insensitive in DQL. |
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| 107 | * |
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| 108 | * @var mixed[] |
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| 109 | */ |
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| 110 | protected $stringFunctions = []; |
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| 111 | |||
| 112 | /** |
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| 113 | * Keys must be function names and values the FQCN of the implementing class. |
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| 114 | * The function names will be case-insensitive in DQL. |
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| 115 | * |
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| 116 | * @var mixed[] |
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| 117 | */ |
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| 118 | protected $numericFunctions = []; |
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| 119 | |||
| 120 | /** |
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| 121 | * Keys must be the name of the custom filter and the value must be |
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| 122 | * the class name for the custom filter. |
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| 123 | * |
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| 124 | * @var mixed[] |
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| 125 | */ |
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| 126 | protected $filters = []; |
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| 127 | |||
| 128 | /** |
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| 129 | * Keys must be the name of the query and values the DQL query string. |
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| 130 | * |
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| 131 | * @var mixed[] |
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| 132 | */ |
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| 133 | protected $namedQueries = []; |
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| 134 | |||
| 135 | /** |
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| 136 | * Keys must be the name of the query and the value is an array containing |
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| 137 | * the keys 'sql' for native SQL query string and 'rsm' for the Query\ResultSetMapping. |
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| 138 | * |
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| 139 | * @var mixed[] |
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| 140 | */ |
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| 141 | protected $namedNativeQueries = []; |
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| 142 | |||
| 143 | /** |
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| 144 | * Keys must be the name of the custom hydration method and the value must be |
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| 145 | * the class name for the custom hydrator |
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| 146 | * |
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| 147 | * @var mixed[] |
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| 148 | */ |
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| 149 | protected $customHydrationModes = []; |
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| 150 | |||
| 151 | /** |
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| 152 | * Naming strategy or name of the naming strategy service to be set in ORM |
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| 153 | * configuration (if any) |
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| 154 | * |
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| 155 | * @var string|NamingStrategy|null |
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| 156 | */ |
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| 157 | protected $namingStrategy; |
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| 158 | |||
| 159 | /** |
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| 160 | * Quote strategy or name of the quote strategy service to be set in ORM |
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| 161 | * configuration (if any) |
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| 162 | * |
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| 163 | * @var string|QuoteStrategy|null |
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| 164 | */ |
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| 165 | protected $quoteStrategy; |
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| 166 | |||
| 167 | /** |
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| 168 | * Default repository class |
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| 169 | * |
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| 170 | * @var string|null |
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| 171 | */ |
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| 172 | protected $defaultRepositoryClassName; |
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| 173 | |||
| 174 | /** |
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| 175 | * Repository factory or name of the repository factory service to be set in ORM |
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| 176 | * configuration (if any) |
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| 177 | * |
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| 178 | * @var string|RepositoryFactory|null |
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| 179 | */ |
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| 180 | protected $repositoryFactory; |
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| 181 | |||
| 182 | /** |
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| 183 | * Class name of MetaData factory to be set in ORM. |
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| 184 | * The entityManager will create a new instance on construction. |
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| 185 | * |
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| 186 | * @var string |
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| 187 | */ |
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| 188 | protected $classMetadataFactoryName; |
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| 189 | |||
| 190 | /** |
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| 191 | * Entity listener resolver or service name of the entity listener resolver |
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| 192 | * to be set in ORM configuration (if any) |
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| 193 | * |
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| 194 | * @link http://docs.doctrine-project.org/projects/doctrine-orm/en/latest/reference/events.html |
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| 195 | * |
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| 196 | * @var string|EntityListenerResolver|null |
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| 197 | */ |
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| 198 | protected $entityListenerResolver; |
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| 199 | |||
| 200 | /** |
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| 201 | * Configuration for second level cache |
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| 202 | * |
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| 203 | * @link http://docs.doctrine-project.org/projects/doctrine-orm/en/latest/reference/second-level-cache.html |
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| 204 | * |
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| 205 | * @var SecondLevelCacheConfiguration|null |
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| 206 | */ |
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| 207 | protected $secondLevelCache; |
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| 208 | |||
| 209 | /** |
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| 210 | * Configuration option for the filter schema assets expression |
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| 211 | * |
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| 212 | * @var string|null |
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| 213 | */ |
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| 214 | protected $filterSchemaAssetsExpression; |
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| 215 | |||
| 216 | /** |
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| 217 | * @param mixed[] $datetimeFunctions |
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| 218 | */ |
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| 219 | 72 | public function setDatetimeFunctions(array $datetimeFunctions) : self |
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| 220 | { |
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| 221 | 72 | $this->datetimeFunctions = $datetimeFunctions; |
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| 222 | |||
| 223 | 72 | return $this; |
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| 224 | } |
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| 225 | |||
| 226 | /** |
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| 227 | * @return mixed[] |
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| 228 | */ |
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| 229 | 88 | public function getDatetimeFunctions() : array |
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| 230 | { |
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| 231 | 88 | return $this->datetimeFunctions; |
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| 232 | } |
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| 233 | |||
| 234 | 72 | public function setDriver(string $driver) : self |
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| 235 | { |
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| 236 | 72 | $this->driver = $driver; |
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| 237 | |||
| 238 | 72 | return $this; |
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| 239 | } |
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| 240 | |||
| 241 | 88 | public function getDriver() : string |
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| 242 | { |
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| 243 | 88 | return 'doctrine.driver.' . $this->driver; |
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| 244 | } |
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| 245 | |||
| 246 | /** |
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| 247 | * @param mixed[] $entityNamespaces |
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| 248 | */ |
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| 249 | public function setEntityNamespaces(array $entityNamespaces) : self |
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| 255 | |||
| 256 | /** |
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| 257 | * @return mixed[] |
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| 258 | */ |
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| 259 | 88 | public function getEntityNamespaces() : array |
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| 263 | |||
| 264 | 72 | public function setGenerateProxies(bool $generateProxies) : self |
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| 265 | { |
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| 266 | 72 | $this->generateProxies = $generateProxies; |
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| 267 | |||
| 268 | 72 | return $this; |
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| 269 | } |
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| 270 | |||
| 271 | 88 | public function getGenerateProxies() : bool |
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| 275 | |||
| 276 | 72 | public function setMetadataCache(string $metadataCache) : self |
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| 277 | { |
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| 278 | 72 | $this->metadataCache = $metadataCache; |
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| 279 | |||
| 280 | 72 | return $this; |
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| 281 | } |
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| 282 | |||
| 283 | 88 | public function getMetadataCache() : string |
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| 287 | |||
| 288 | 73 | public function setResultCache(string $resultCache) : void |
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| 292 | |||
| 293 | 88 | public function getResultCache() : string |
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| 297 | |||
| 298 | 74 | public function setHydrationCache(string $hydrationCache) : self |
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| 304 | |||
| 305 | 88 | public function getHydrationCache() : string |
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| 309 | |||
| 310 | /** |
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| 311 | * @param mixed[] $namedNativeQueries |
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| 312 | */ |
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| 313 | public function setNamedNativeQueries(array $namedNativeQueries) : self |
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| 319 | |||
| 320 | /** |
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| 321 | * @return mixed[] |
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| 322 | */ |
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| 323 | 88 | public function getNamedNativeQueries() : array |
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| 327 | |||
| 328 | /** |
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| 329 | * @param mixed[] $namedQueries |
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| 330 | */ |
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| 331 | public function setNamedQueries(array $namedQueries) : self |
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| 337 | |||
| 338 | /** |
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| 339 | * @return mixed[] |
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| 340 | */ |
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| 341 | 88 | public function getNamedQueries() : array |
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| 345 | |||
| 346 | /** |
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| 347 | * @param mixed[] $numericFunctions |
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| 348 | */ |
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| 349 | 72 | public function setNumericFunctions(array $numericFunctions) : self |
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| 350 | { |
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| 351 | 72 | $this->numericFunctions = $numericFunctions; |
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| 352 | |||
| 353 | 72 | return $this; |
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| 354 | } |
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| 355 | |||
| 356 | /** |
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| 357 | * @return mixed[] |
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| 358 | */ |
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| 359 | 88 | public function getNumericFunctions() : array |
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| 363 | |||
| 364 | /** |
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| 365 | * @param mixed[] $filters |
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| 366 | */ |
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| 367 | 72 | public function setFilters(array $filters) : self |
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| 368 | { |
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| 369 | 72 | $this->filters = $filters; |
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| 370 | |||
| 371 | 72 | return $this; |
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| 372 | } |
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| 373 | |||
| 374 | /** |
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| 375 | * @return mixed[] |
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| 376 | */ |
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| 377 | 88 | public function getFilters() : array |
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| 381 | |||
| 382 | 72 | public function setProxyDir(string $proxyDir) : self |
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| 383 | { |
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| 384 | 72 | $this->proxyDir = $proxyDir; |
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| 385 | |||
| 386 | 72 | return $this; |
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| 387 | } |
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| 388 | |||
| 389 | 88 | public function getProxyDir() : string |
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| 393 | |||
| 394 | 72 | public function setProxyNamespace(string $proxyNamespace) : self |
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| 395 | { |
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| 396 | 72 | $this->proxyNamespace = $proxyNamespace; |
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| 397 | |||
| 398 | 72 | return $this; |
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| 399 | } |
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| 400 | |||
| 401 | 88 | public function getProxyNamespace() : string |
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| 405 | |||
| 406 | 72 | public function setQueryCache(string $queryCache) : self |
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| 407 | { |
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| 408 | 72 | $this->queryCache = $queryCache; |
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| 409 | |||
| 410 | 72 | return $this; |
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| 411 | } |
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| 412 | |||
| 413 | 88 | public function getQueryCache() : string |
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| 417 | |||
| 418 | /** |
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| 419 | * @param mixed[] $stringFunctions |
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| 420 | */ |
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| 421 | 72 | public function setStringFunctions(array $stringFunctions) : self |
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| 422 | { |
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| 423 | 72 | $this->stringFunctions = $stringFunctions; |
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| 424 | |||
| 425 | 72 | return $this; |
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| 426 | } |
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| 427 | |||
| 428 | /** |
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| 429 | * @return mixed[] |
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| 430 | */ |
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| 431 | 88 | public function getStringFunctions() : array |
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| 435 | |||
| 436 | /** |
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| 437 | * @param mixed[] $modes |
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| 438 | */ |
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| 439 | public function setCustomHydrationModes(array $modes) : self |
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| 445 | |||
| 446 | /** |
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| 447 | * @return mixed[] |
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| 448 | */ |
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| 449 | 88 | public function getCustomHydrationModes() : array |
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| 453 | |||
| 454 | /** |
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| 455 | * @param string|NamingStrategy|null $namingStrategy |
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| 456 | * |
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| 457 | * @throws InvalidArgumentException when the provided naming strategy does not fit the expected type. |
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| 458 | */ |
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| 459 | 4 | public function setNamingStrategy($namingStrategy) : self |
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| 478 | |||
| 479 | /** |
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| 480 | * @return string|NamingStrategy|null |
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| 481 | */ |
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| 482 | 89 | public function getNamingStrategy() |
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| 486 | |||
| 487 | /** |
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| 488 | * @param string|QuoteStrategy|null $quoteStrategy |
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| 489 | * |
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| 490 | * @throws InvalidArgumentException when the provided quote strategy does not fit the expected type. |
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| 491 | */ |
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| 492 | 4 | public function setQuoteStrategy($quoteStrategy) : self |
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| 511 | |||
| 512 | /** |
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| 513 | * @return string|QuoteStrategy|null |
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| 514 | */ |
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| 515 | 88 | public function getQuoteStrategy() |
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| 519 | |||
| 520 | /** |
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| 521 | * @param string|RepositoryFactory|null $repositoryFactory |
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| 522 | * |
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| 523 | * @throws InvalidArgumentException when the provided repository factory does not fit the expected type. |
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| 524 | */ |
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| 525 | 1 | public function setRepositoryFactory($repositoryFactory) : self |
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| 544 | |||
| 545 | /** |
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| 546 | * @return string|RepositoryFactory|null |
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| 547 | */ |
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| 548 | 87 | public function getRepositoryFactory() |
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| 552 | |||
| 553 | /** |
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| 554 | * Set the metadata factory class name to use |
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| 555 | * |
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| 556 | * @see \Doctrine\ORM\Configuration::setClassMetadataFactoryName() |
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| 557 | */ |
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| 558 | 1 | public function setClassMetadataFactoryName(string $factoryName) : self |
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| 564 | |||
| 565 | 88 | public function getClassMetadataFactoryName() : ?string |
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| 569 | |||
| 570 | /** |
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| 571 | * @param string|EntityListenerResolver|null $entityListenerResolver |
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| 572 | * |
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| 573 | * @throws InvalidArgumentException When the provided entity listener resolver |
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| 574 | * does not fit the expected type. |
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| 575 | */ |
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| 576 | 3 | public function setEntityListenerResolver($entityListenerResolver) : self |
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| 593 | |||
| 594 | /** |
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| 595 | * @return string|EntityListenerResolver|null |
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| 596 | */ |
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| 597 | 87 | public function getEntityListenerResolver() |
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| 601 | |||
| 602 | /** |
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| 603 | * @param mixed[] $secondLevelCache |
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| 604 | */ |
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| 605 | 73 | public function setSecondLevelCache(array $secondLevelCache) : self |
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| 611 | |||
| 612 | 86 | public function getSecondLevelCache() : SecondLevelCacheConfiguration |
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| 616 | |||
| 617 | public function setFilterSchemaAssetsExpression(string $filterSchemaAssetsExpression) : self |
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| 623 | |||
| 624 | 86 | public function getFilterSchemaAssetsExpression() : ?string |
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| 628 | |||
| 629 | /** |
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| 630 | * Sets default repository class. |
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| 631 | */ |
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| 632 | 73 | public function setDefaultRepositoryClassName(string $className) : self |
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| 638 | |||
| 639 | /** |
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| 640 | * Get default repository class name. |
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| 641 | */ |
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| 642 | 86 | public function getDefaultRepositoryClassName() : ?string |
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| 646 | } |
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| 647 |