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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| 19 | class Configuration extends DBALConfiguration |
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| 20 | { |
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| 21 | /** |
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| 22 | * Set the cache key for the metadata cache. Cache key |
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| 23 | * is assembled as "doctrine.cache.{key}" and pulled from |
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| 24 | * service locator. |
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| 25 | * |
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| 26 | * @var string |
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| 27 | */ |
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| 28 | protected $metadataCache = 'array'; |
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| 29 | |||
| 30 | /** |
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| 31 | * Set the cache key for the query cache. Cache key |
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| 32 | * is assembled as "doctrine.cache.{key}" and pulled from |
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| 33 | * service locator. |
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| 34 | * |
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| 35 | * @var string |
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| 36 | */ |
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| 37 | protected $queryCache = 'array'; |
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| 38 | |||
| 39 | /** |
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| 40 | * Set the cache key for the result cache. Cache key |
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| 41 | * is assembled as "doctrine.cache.{key}" and pulled from |
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| 42 | * service locator. |
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| 43 | * |
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| 44 | * @var string |
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| 45 | */ |
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| 46 | protected $resultCache = 'array'; |
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| 47 | |||
| 48 | /** |
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| 49 | * Set the cache key for the hydration cache. Cache key |
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| 50 | * is assembled as "doctrine.cache.{key}" and pulled from |
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| 51 | * service locator. |
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| 52 | * |
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| 53 | * @var string |
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| 54 | */ |
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| 55 | protected $hydrationCache = 'array'; |
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| 56 | |||
| 57 | /** |
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| 58 | * Set the driver key for the metadata driver. Driver key |
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| 59 | * is assembled as "doctrine.driver.{key}" and pulled from |
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| 60 | * service locator. |
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| 61 | * |
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| 62 | * @var string |
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| 63 | */ |
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| 64 | protected $driver = 'orm_default'; |
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| 65 | |||
| 66 | /** |
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| 67 | * Automatic generation of proxies (disable for production!) |
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| 68 | * |
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| 69 | * @var bool |
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| 70 | */ |
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| 71 | protected $generateProxies = true; |
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| 72 | |||
| 73 | /** |
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| 74 | * Proxy directory. |
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| 75 | * |
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| 76 | * @var string |
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| 77 | */ |
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| 78 | protected $proxyDir = 'data'; |
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| 79 | |||
| 80 | /** |
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| 81 | * Proxy namespace. |
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| 82 | * |
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| 83 | * @var string |
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| 84 | */ |
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| 85 | protected $proxyNamespace = 'DoctrineORMModule\Proxy'; |
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| 86 | |||
| 87 | /** |
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| 88 | * Entity alias map. |
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| 89 | * |
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| 90 | * @var array |
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| 91 | */ |
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| 92 | protected $entityNamespaces = []; |
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| 93 | |||
| 94 | /** |
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| 95 | * Keys must be function names and values the FQCN of the implementing class. |
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| 96 | * The function names will be case-insensitive in DQL. |
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| 97 | * |
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| 98 | * @var array |
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| 99 | */ |
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| 100 | protected $datetimeFunctions = []; |
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| 101 | |||
| 102 | /** |
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| 103 | * Keys must be function names and values the FQCN of the implementing class. |
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| 104 | * The function names will be case-insensitive in DQL. |
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| 105 | * |
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| 106 | * @var array |
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| 107 | */ |
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| 108 | protected $stringFunctions = []; |
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| 109 | |||
| 110 | /** |
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| 111 | * Keys must be function names and values the FQCN of the implementing class. |
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| 112 | * The function names will be case-insensitive in DQL. |
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| 113 | * |
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| 114 | * @var array |
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| 115 | */ |
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| 116 | protected $numericFunctions = []; |
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| 117 | |||
| 118 | /** |
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| 119 | * Keys must be the name of the custom filter and the value must be |
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| 120 | * the class name for the custom filter. |
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| 121 | * |
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| 122 | * @var array |
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| 123 | */ |
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| 124 | protected $filters = []; |
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| 125 | |||
| 126 | /** |
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| 127 | * Keys must be the name of the query and values the DQL query string. |
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| 128 | * |
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| 129 | * @var array |
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| 130 | */ |
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| 131 | protected $namedQueries = []; |
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| 132 | |||
| 133 | /** |
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| 134 | * Keys must be the name of the query and the value is an array containing |
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| 135 | * the keys 'sql' for native SQL query string and 'rsm' for the Query\ResultSetMapping. |
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| 136 | * |
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| 137 | * @var array |
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| 138 | */ |
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| 139 | protected $namedNativeQueries = []; |
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| 140 | |||
| 141 | /** |
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| 142 | * Keys must be the name of the custom hydration method and the value must be |
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| 143 | * the class name for the custom hydrator |
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| 144 | * |
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| 145 | * @var array |
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| 146 | */ |
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| 147 | protected $customHydrationModes = []; |
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| 148 | |||
| 149 | /** |
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| 150 | * Naming strategy or name of the naming strategy service to be set in ORM |
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| 151 | * configuration (if any) |
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| 152 | * |
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| 153 | * @var string|null|NamingStrategy |
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| 154 | */ |
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| 155 | protected $namingStrategy; |
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| 156 | |||
| 157 | /** |
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| 158 | * Quote strategy or name of the quote strategy service to be set in ORM |
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| 159 | * configuration (if any) |
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| 160 | * |
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| 161 | * @var string|null|QuoteStrategy |
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| 162 | */ |
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| 163 | protected $quoteStrategy; |
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| 164 | |||
| 165 | /** |
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| 166 | * Default repository class |
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| 167 | * |
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| 168 | * @var string|null |
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| 169 | */ |
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| 170 | protected $defaultRepositoryClassName; |
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| 171 | |||
| 172 | /** |
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| 173 | * Repository factory or name of the repository factory service to be set in ORM |
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| 174 | * configuration (if any) |
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| 175 | * |
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| 176 | * @var string|null|RepositoryFactory |
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| 177 | */ |
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| 178 | protected $repositoryFactory; |
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| 179 | |||
| 180 | /** |
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| 181 | * Class name of MetaData factory to be set in ORM. |
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| 182 | * The entityManager will create a new instance on construction. |
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| 183 | * |
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| 184 | * @var string |
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| 185 | */ |
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| 186 | protected $classMetadataFactoryName; |
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| 187 | |||
| 188 | /** |
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| 189 | * Entity listener resolver or service name of the entity listener resolver |
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| 190 | * to be set in ORM configuration (if any) |
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| 191 | * |
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| 192 | * @link http://docs.doctrine-project.org/projects/doctrine-orm/en/latest/reference/events.html |
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| 193 | * @var string|null|EntityListenerResolver |
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| 194 | */ |
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| 195 | protected $entityListenerResolver; |
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| 196 | |||
| 197 | /** |
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| 198 | * Configuration for second level cache |
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| 199 | * |
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| 200 | * @link http://docs.doctrine-project.org/projects/doctrine-orm/en/latest/reference/second-level-cache.html |
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| 201 | * @var SecondLevelCacheConfiguration|null |
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| 202 | */ |
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| 203 | protected $secondLevelCache; |
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| 204 | |||
| 205 | /** |
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| 206 | * Configuration option for the filter schema expression |
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| 207 | * |
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| 208 | * @var string|null |
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| 209 | */ |
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| 210 | protected $filterSchemaAssetsExpression; |
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| 211 | |||
| 212 | /** |
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| 213 | * @param array $datetimeFunctions |
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| 214 | * @return self |
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| 215 | */ |
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| 216 | 72 | public function setDatetimeFunctions($datetimeFunctions) |
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| 222 | |||
| 223 | /** |
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| 224 | * @return array |
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| 225 | */ |
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| 226 | 88 | public function getDatetimeFunctions() |
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| 230 | |||
| 231 | /** |
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| 232 | * @param string $driver |
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| 233 | * @return self |
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| 234 | */ |
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| 235 | 72 | public function setDriver($driver) |
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| 241 | |||
| 242 | /** |
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| 243 | * @return string |
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| 244 | */ |
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| 245 | 88 | public function getDriver() |
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| 249 | |||
| 250 | /** |
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| 251 | * @param array $entityNamespaces |
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| 252 | * @return self |
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| 253 | */ |
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| 254 | public function setEntityNamespaces($entityNamespaces) |
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| 260 | |||
| 261 | /** |
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| 262 | * @return array |
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| 263 | */ |
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| 264 | 88 | public function getEntityNamespaces() |
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| 268 | |||
| 269 | /** |
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| 270 | * @param boolean $generateProxies |
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| 271 | * @return self |
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| 272 | */ |
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| 273 | 72 | public function setGenerateProxies($generateProxies) |
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| 279 | |||
| 280 | /** |
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| 281 | * @return boolean |
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| 282 | */ |
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| 283 | 88 | public function getGenerateProxies() |
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| 287 | |||
| 288 | /** |
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| 289 | * @param string $metadataCache |
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| 290 | * @return self |
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| 291 | */ |
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| 292 | 72 | public function setMetadataCache($metadataCache) |
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| 298 | |||
| 299 | /** |
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| 300 | * @return string |
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| 301 | */ |
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| 302 | 88 | public function getMetadataCache() |
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| 306 | |||
| 307 | /** |
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| 308 | * @param string $resultCache |
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| 309 | * @return self |
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| 310 | */ |
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| 311 | 73 | public function setResultCache($resultCache) |
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| 317 | |||
| 318 | /** |
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| 319 | * @return string |
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| 320 | */ |
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| 321 | 88 | public function getResultCache() |
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| 325 | |||
| 326 | /** |
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| 327 | * @param string $hydrationCache |
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| 328 | * @return self |
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| 329 | */ |
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| 330 | 74 | public function setHydrationCache($hydrationCache) |
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| 336 | |||
| 337 | /** |
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| 338 | * @return string |
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| 339 | */ |
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| 340 | 88 | public function getHydrationCache() |
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| 344 | |||
| 345 | /** |
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| 346 | * @param array $namedNativeQueries |
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| 347 | * @return self |
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| 348 | */ |
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| 349 | public function setNamedNativeQueries($namedNativeQueries) |
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| 355 | |||
| 356 | /** |
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| 357 | * @return array |
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| 358 | */ |
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| 359 | 88 | public function getNamedNativeQueries() |
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| 363 | |||
| 364 | /** |
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| 365 | * @param array $namedQueries |
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| 366 | * @return self |
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| 367 | */ |
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| 368 | public function setNamedQueries($namedQueries) |
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| 374 | |||
| 375 | /** |
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| 376 | * @return array |
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| 377 | */ |
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| 378 | 88 | public function getNamedQueries() |
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| 382 | |||
| 383 | /** |
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| 384 | * @param array $numericFunctions |
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| 385 | * @return self |
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| 386 | */ |
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| 387 | 72 | public function setNumericFunctions($numericFunctions) |
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| 393 | |||
| 394 | /** |
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| 395 | * @return array |
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| 396 | */ |
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| 397 | 88 | public function getNumericFunctions() |
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| 401 | |||
| 402 | /** |
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| 403 | * |
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| 404 | * @param array $filters |
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| 405 | * @return self |
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| 406 | */ |
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| 407 | 72 | public function setFilters($filters) |
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| 413 | |||
| 414 | /** |
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| 415 | * |
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| 416 | * @return array |
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| 417 | */ |
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| 418 | 88 | public function getFilters() |
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| 422 | |||
| 423 | /** |
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| 424 | * @param string $proxyDir |
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| 425 | * @return self |
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| 426 | */ |
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| 427 | 72 | public function setProxyDir($proxyDir) |
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| 433 | |||
| 434 | /** |
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| 435 | * @return string |
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| 436 | */ |
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| 437 | 88 | public function getProxyDir() |
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| 441 | |||
| 442 | /** |
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| 443 | * @param string $proxyNamespace |
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| 444 | * @return self |
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| 445 | */ |
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| 446 | 72 | public function setProxyNamespace($proxyNamespace) |
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| 452 | |||
| 453 | /** |
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| 454 | * @return string |
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| 455 | */ |
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| 456 | 88 | public function getProxyNamespace() |
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| 460 | |||
| 461 | /** |
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| 462 | * @param string $queryCache |
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| 463 | * @return self |
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| 464 | */ |
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| 465 | 72 | public function setQueryCache($queryCache) |
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| 471 | |||
| 472 | /** |
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| 473 | * @return string |
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| 474 | */ |
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| 475 | 88 | public function getQueryCache() |
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| 479 | |||
| 480 | /** |
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| 481 | * @param array $stringFunctions |
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| 482 | * @return self |
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| 483 | */ |
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| 484 | 72 | public function setStringFunctions($stringFunctions) |
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| 490 | |||
| 491 | /** |
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| 492 | * @return array |
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| 493 | */ |
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| 494 | 88 | public function getStringFunctions() |
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| 498 | |||
| 499 | /** |
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| 500 | * @param array $modes |
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| 501 | * @return self |
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| 502 | */ |
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| 503 | public function setCustomHydrationModes($modes) |
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| 509 | |||
| 510 | /** |
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| 511 | * @return array |
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| 512 | */ |
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| 513 | 88 | public function getCustomHydrationModes() |
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| 517 | |||
| 518 | /** |
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| 519 | * @param string|null|NamingStrategy $namingStrategy |
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| 520 | * @return self |
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| 521 | * @throws InvalidArgumentException when the provided naming strategy does not fit the expected type |
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| 522 | */ |
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| 523 | 4 | public function setNamingStrategy($namingStrategy) |
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| 542 | |||
| 543 | /** |
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| 544 | * @return string|null|NamingStrategy |
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| 545 | */ |
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| 546 | 89 | public function getNamingStrategy() |
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| 550 | |||
| 551 | /** |
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| 552 | * @param string|null|QuoteStrategy $quoteStrategy |
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| 553 | * @return self |
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| 554 | * @throws InvalidArgumentException when the provided quote strategy does not fit the expected type |
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| 555 | */ |
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| 556 | 4 | public function setQuoteStrategy($quoteStrategy) |
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| 575 | |||
| 576 | /** |
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| 577 | * @return string|null|QuoteStrategy |
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| 578 | */ |
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| 579 | 88 | public function getQuoteStrategy() |
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| 583 | |||
| 584 | /** |
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| 585 | * @param string|null|RepositoryFactory $repositoryFactory |
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| 586 | * @return self |
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| 587 | * @throws InvalidArgumentException when the provided repository factory does not fit the expected type |
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| 588 | */ |
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| 589 | 1 | public function setRepositoryFactory($repositoryFactory) |
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| 608 | |||
| 609 | /** |
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| 610 | * @return string|null|RepositoryFactory |
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| 611 | */ |
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| 612 | 87 | public function getRepositoryFactory() |
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| 616 | |||
| 617 | /** |
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| 618 | * Set the metadata factory class name to use |
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| 619 | * |
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| 620 | * @see \Doctrine\ORM\Configuration::setClassMetadataFactoryName() |
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| 621 | * |
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| 622 | * @param string $factoryName |
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| 623 | */ |
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| 624 | 1 | public function setClassMetadataFactoryName($factoryName) |
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| 628 | |||
| 629 | /** |
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| 630 | * @return string |
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| 631 | */ |
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| 632 | 88 | public function getClassMetadataFactoryName() |
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| 636 | |||
| 637 | /** |
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| 638 | * @param string|null|EntityListenerResolver $entityListenerResolver |
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| 639 | * @return self |
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| 640 | * @throws InvalidArgumentException When the provided entity listener resolver |
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| 641 | * does not fit the expected type |
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| 642 | */ |
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| 643 | 3 | public function setEntityListenerResolver($entityListenerResolver) |
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| 660 | |||
| 661 | /** |
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| 662 | * @return string|null|EntityListenerResolver |
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| 663 | */ |
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| 664 | 87 | public function getEntityListenerResolver() |
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| 668 | |||
| 669 | /** |
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| 670 | * @param array $secondLevelCache |
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| 671 | * @return void |
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| 672 | */ |
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| 673 | 73 | public function setSecondLevelCache(array $secondLevelCache) |
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| 677 | |||
| 678 | /** |
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| 679 | * @return SecondLevelCacheConfiguration |
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| 680 | */ |
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| 681 | 86 | public function getSecondLevelCache() |
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| 685 | |||
| 686 | /** |
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| 687 | * @param string $filterSchemaAssetsExpression |
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| 688 | * @return void |
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| 689 | */ |
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| 690 | public function setFilterSchemaAssetsExpression($filterSchemaAssetsExpression) |
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| 691 | { |
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| 692 | $this->filterSchemaAssetsExpression = $filterSchemaAssetsExpression; |
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| 693 | } |
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| 694 | |||
| 695 | /** |
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| 696 | * @return string|null |
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| 697 | */ |
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| 698 | 86 | public function getFilterSchemaAssetsExpression() |
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| 699 | { |
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| 700 | 86 | return $this->filterSchemaAssetsExpression; |
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| 701 | } |
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| 702 | |||
| 703 | /** |
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| 704 | * Sets default repository class. |
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| 705 | * |
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| 706 | * @param string $className |
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| 707 | * @return void |
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| 708 | */ |
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| 709 | 73 | public function setDefaultRepositoryClassName($className) |
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| 713 | |||
| 714 | /** |
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| 715 | * Get default repository class name. |
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| 716 | * |
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| 717 | * @return string|null |
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| 718 | */ |
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| 719 | 86 | public function getDefaultRepositoryClassName() |
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| 723 | } |
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| 724 |