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 = array(); |
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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 = array(); |
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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 = array(); |
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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 = array(); |
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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 = array(); |
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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 = array(); |
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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 = array(); |
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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 = array(); |
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| 148 | |||
| 149 | /** |
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| 150 | * Keys must be the name of the custom query hint and the value must be |
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| 151 | * the class name for the custom walker |
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| 152 | * |
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| 153 | * @var array |
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| 154 | */ |
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| 155 | protected $defaultQueryHints = array(); |
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| 156 | |||
| 157 | /** |
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| 158 | * Naming strategy or name of the naming 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|NamingStrategy |
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| 162 | */ |
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| 163 | protected $namingStrategy; |
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| 164 | |||
| 165 | /** |
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| 166 | * Quote strategy or name of the quote strategy service to be set in ORM |
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| 167 | * configuration (if any) |
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| 168 | * |
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| 169 | * @var string|null|QuoteStrategy |
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| 170 | */ |
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| 171 | protected $quoteStrategy; |
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| 172 | |||
| 173 | /** |
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| 174 | * Default repository class |
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| 175 | * |
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| 176 | * @var string|null |
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| 177 | */ |
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| 178 | protected $defaultRepositoryClassName; |
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| 179 | |||
| 180 | /** |
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| 181 | * Repository factory or name of the repository factory service to be set in ORM |
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| 182 | * configuration (if any) |
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| 183 | * |
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| 184 | * @var string|null|RepositoryFactory |
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| 185 | */ |
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| 186 | protected $repositoryFactory; |
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| 187 | |||
| 188 | /** |
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| 189 | * Class name of MetaData factory to be set in ORM. |
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| 190 | * The entityManager will create a new instance on construction. |
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| 191 | * |
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| 192 | * @var string |
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| 193 | */ |
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| 194 | protected $classMetadataFactoryName; |
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| 195 | |||
| 196 | /** |
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| 197 | * Entity listener resolver or service name of the entity listener resolver |
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| 198 | * to be set in ORM configuration (if any) |
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| 199 | * |
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| 200 | * @link http://docs.doctrine-project.org/projects/doctrine-orm/en/latest/reference/events.html |
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| 201 | * @var string|null|EntityListenerResolver |
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| 202 | */ |
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| 203 | protected $entityListenerResolver; |
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| 204 | |||
| 205 | /** |
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| 206 | * Configuration for second level cache |
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| 207 | * |
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| 208 | * @link http://docs.doctrine-project.org/projects/doctrine-orm/en/latest/reference/second-level-cache.html |
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| 209 | * @var SecondLevelCacheConfiguration|null |
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| 210 | */ |
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| 211 | protected $secondLevelCache; |
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| 212 | |||
| 213 | /** |
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| 214 | * @param array $datetimeFunctions |
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| 215 | * @return self |
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| 216 | */ |
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| 217 | 56 | public function setDatetimeFunctions($datetimeFunctions) |
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| 223 | |||
| 224 | /** |
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| 225 | * @return array |
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| 226 | */ |
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| 227 | 72 | public function getDatetimeFunctions() |
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| 231 | |||
| 232 | /** |
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| 233 | * @param string $driver |
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| 234 | * @return self |
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| 235 | */ |
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| 236 | 56 | public function setDriver($driver) |
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| 242 | |||
| 243 | /** |
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| 244 | * @return string |
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| 245 | */ |
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| 246 | 72 | public function getDriver() |
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| 250 | |||
| 251 | /** |
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| 252 | * @param array $entityNamespaces |
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| 253 | * @return self |
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| 254 | */ |
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| 255 | public function setEntityNamespaces($entityNamespaces) |
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| 261 | |||
| 262 | /** |
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| 263 | * @return array |
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| 264 | */ |
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| 265 | 72 | public function getEntityNamespaces() |
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| 269 | |||
| 270 | /** |
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| 271 | * @param boolean $generateProxies |
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| 272 | * @return self |
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| 273 | */ |
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| 274 | 56 | public function setGenerateProxies($generateProxies) |
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| 280 | |||
| 281 | /** |
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| 282 | * @return boolean |
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| 283 | */ |
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| 284 | 72 | public function getGenerateProxies() |
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| 288 | |||
| 289 | /** |
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| 290 | * @param string $metadataCache |
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| 291 | * @return self |
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| 292 | */ |
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| 293 | 56 | public function setMetadataCache($metadataCache) |
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| 299 | |||
| 300 | /** |
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| 301 | * @return string |
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| 302 | */ |
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| 303 | 72 | public function getMetadataCache() |
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| 307 | |||
| 308 | /** |
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| 309 | * @param string $resultCache |
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| 310 | * @return self |
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| 311 | */ |
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| 312 | 57 | public function setResultCache($resultCache) |
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| 318 | |||
| 319 | /** |
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| 320 | * @return string |
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| 321 | */ |
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| 322 | 72 | public function getResultCache() |
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| 326 | |||
| 327 | /** |
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| 328 | * @param string $hydrationCache |
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| 329 | * @return self |
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| 330 | */ |
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| 331 | 58 | public function setHydrationCache($hydrationCache) |
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| 337 | |||
| 338 | /** |
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| 339 | * @return string |
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| 340 | */ |
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| 341 | 72 | public function getHydrationCache() |
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| 345 | |||
| 346 | /** |
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| 347 | * @param array $namedNativeQueries |
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| 348 | * @return self |
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| 349 | */ |
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| 350 | public function setNamedNativeQueries($namedNativeQueries) |
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| 356 | |||
| 357 | /** |
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| 358 | * @return array |
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| 359 | */ |
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| 360 | 72 | public function getNamedNativeQueries() |
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| 364 | |||
| 365 | /** |
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| 366 | * @param array $namedQueries |
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| 367 | * @return self |
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| 368 | */ |
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| 369 | public function setNamedQueries($namedQueries) |
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| 375 | |||
| 376 | /** |
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| 377 | * @return array |
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| 378 | */ |
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| 379 | 72 | public function getNamedQueries() |
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| 383 | |||
| 384 | /** |
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| 385 | * @param array $numericFunctions |
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| 386 | * @return self |
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| 387 | */ |
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| 388 | 56 | public function setNumericFunctions($numericFunctions) |
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| 394 | |||
| 395 | /** |
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| 396 | * @return array |
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| 397 | */ |
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| 398 | 72 | public function getNumericFunctions() |
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| 402 | |||
| 403 | /** |
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| 404 | * |
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| 405 | * @param array $filters |
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| 406 | * @return self |
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| 407 | */ |
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| 408 | 56 | public function setFilters($filters) |
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| 414 | |||
| 415 | /** |
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| 416 | * |
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| 417 | * @return array |
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| 418 | */ |
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| 419 | 72 | public function getFilters() |
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| 423 | |||
| 424 | /** |
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| 425 | * @param string $proxyDir |
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| 426 | * @return self |
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| 427 | */ |
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| 428 | 56 | public function setProxyDir($proxyDir) |
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| 434 | |||
| 435 | /** |
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| 436 | * @return string |
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| 437 | */ |
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| 438 | 72 | public function getProxyDir() |
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| 442 | |||
| 443 | /** |
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| 444 | * @param string $proxyNamespace |
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| 445 | * @return self |
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| 446 | */ |
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| 447 | 56 | public function setProxyNamespace($proxyNamespace) |
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| 453 | |||
| 454 | /** |
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| 455 | * @return string |
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| 456 | */ |
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| 457 | 72 | public function getProxyNamespace() |
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| 461 | |||
| 462 | /** |
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| 463 | * @param string $queryCache |
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| 464 | * @return self |
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| 465 | */ |
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| 466 | 56 | public function setQueryCache($queryCache) |
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| 472 | |||
| 473 | /** |
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| 474 | * @return string |
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| 475 | */ |
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| 476 | 72 | public function getQueryCache() |
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| 480 | |||
| 481 | /** |
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| 482 | * @param array $stringFunctions |
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| 483 | * @return self |
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| 484 | */ |
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| 485 | 56 | public function setStringFunctions($stringFunctions) |
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| 491 | |||
| 492 | /** |
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| 493 | * @return array |
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| 494 | */ |
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| 495 | 72 | public function getStringFunctions() |
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| 499 | |||
| 500 | /** |
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| 501 | * @param array $modes |
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| 502 | * @return self |
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| 503 | */ |
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| 504 | public function setCustomHydrationModes($modes) |
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| 510 | |||
| 511 | /** |
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| 512 | * @return array |
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| 513 | */ |
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| 514 | 72 | public function getCustomHydrationModes() |
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| 518 | |||
| 519 | /** |
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| 520 | * @param string|null|NamingStrategy $namingStrategy |
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| 521 | * @return self |
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| 522 | * @throws InvalidArgumentException when the provided naming strategy does not fit the expected type |
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| 523 | */ |
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| 524 | 4 | public function setNamingStrategy($namingStrategy) |
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| 543 | |||
| 544 | /** |
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| 545 | * @return string|null|NamingStrategy |
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| 546 | */ |
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| 547 | 73 | public function getNamingStrategy() |
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| 551 | |||
| 552 | /** |
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| 553 | * @param string|null|QuoteStrategy $quoteStrategy |
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| 554 | * @return self |
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| 555 | * @throws InvalidArgumentException when the provided quote strategy does not fit the expected type |
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| 556 | */ |
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| 557 | 4 | public function setQuoteStrategy($quoteStrategy) |
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| 576 | |||
| 577 | /** |
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| 578 | * @return string|null|QuoteStrategy |
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| 579 | */ |
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| 580 | 72 | public function getQuoteStrategy() |
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| 584 | |||
| 585 | /** |
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| 586 | * @param string|null|RepositoryFactory $repositoryFactory |
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| 587 | * @return self |
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| 588 | * @throws InvalidArgumentException when the provided repository factory does not fit the expected type |
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| 589 | */ |
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| 590 | 1 | public function setRepositoryFactory($repositoryFactory) |
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| 609 | |||
| 610 | /** |
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| 611 | * @return string|null|RepositoryFactory |
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| 612 | */ |
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| 613 | 71 | public function getRepositoryFactory() |
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| 617 | |||
| 618 | /** |
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| 619 | * Set the metadata factory class name to use |
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| 620 | * |
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| 621 | * @see \Doctrine\ORM\Configuration::setClassMetadataFactoryName() |
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| 622 | * |
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| 623 | * @param string $factoryName |
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| 624 | */ |
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| 625 | 1 | public function setClassMetadataFactoryName($factoryName) |
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| 629 | |||
| 630 | /** |
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| 631 | * @return string |
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| 632 | */ |
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| 633 | 72 | public function getClassMetadataFactoryName() |
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| 637 | |||
| 638 | /** |
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| 639 | * @param string|null|EntityListenerResolver $entityListenerResolver |
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| 640 | * @return self |
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| 641 | * @throws InvalidArgumentException When the provided entity listener resolver |
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| 642 | * does not fit the expected type |
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| 643 | */ |
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| 644 | 3 | public function setEntityListenerResolver($entityListenerResolver) |
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| 661 | |||
| 662 | /** |
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| 663 | * @return string|null|EntityListenerResolver |
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| 664 | */ |
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| 665 | 71 | public function getEntityListenerResolver() |
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| 669 | |||
| 670 | /** |
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| 671 | * @param array $secondLevelCache |
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| 672 | * @return void |
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| 673 | */ |
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| 674 | 57 | public function setSecondLevelCache(array $secondLevelCache) |
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| 678 | |||
| 679 | /** |
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| 680 | * @return SecondLevelCacheConfiguration |
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| 681 | */ |
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| 682 | 70 | public function getSecondLevelCache() |
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| 686 | |||
| 687 | /** |
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| 688 | * Sets default repository class. |
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| 689 | * |
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| 690 | * @param string $className |
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| 691 | * @return void |
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| 692 | */ |
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| 693 | 57 | public function setDefaultRepositoryClassName($className) |
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| 697 | |||
| 698 | /** |
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| 699 | * Get default repository class name. |
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| 700 | * |
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| 701 | * @return string|null |
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| 702 | */ |
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| 703 | 70 | public function getDefaultRepositoryClassName() |
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| 707 | |||
| 708 | /** |
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| 709 | * Get default query hints |
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| 710 | * |
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| 711 | * @return array |
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| 712 | */ |
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| 713 | 73 | public function getDefaultQueryHints() |
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| 717 | |||
| 718 | /** |
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| 719 | * Set default query hints |
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| 720 | * |
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| 721 | * @param array $defaultQueryHints |
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| 722 | */ |
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| 723 | 57 | public function setDefaultQueryHints($defaultQueryHints) |
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| 727 | } |
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| 728 |