Duplicate code is one of the most pungent code smells. A rule that is often used is to re-structure code once it is duplicated in three or more places.
Common duplication problems, and corresponding solutions are:
Complex classes like DoctrineExtension 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 DoctrineExtension, and based on these observations, apply Extract Interface, too.
| 1 | <?php |
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| 38 | class DoctrineExtension extends AbstractDoctrineExtension |
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| 39 | { |
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| 40 | /** @var string */ |
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| 41 | private $defaultConnection; |
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| 42 | |||
| 43 | /** @var SymfonyBridgeAdapter */ |
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| 44 | private $adapter; |
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| 45 | |||
| 46 | public function __construct(SymfonyBridgeAdapter $adapter = null) |
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| 47 | { |
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| 48 | $this->adapter = $adapter ?: new SymfonyBridgeAdapter(new CacheProviderLoader(), 'doctrine.orm', 'orm'); |
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| 49 | } |
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| 50 | |||
| 51 | /** |
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| 52 | * {@inheritDoc} |
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| 53 | */ |
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| 54 | public function load(array $configs, ContainerBuilder $container) |
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| 55 | { |
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| 56 | $configuration = $this->getConfiguration($configs, $container); |
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| 57 | $config = $this->processConfiguration($configuration, $configs); |
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| 58 | |||
| 59 | $this->adapter->loadServicesConfiguration($container); |
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| 60 | |||
| 61 | if (! empty($config['dbal'])) { |
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| 62 | $this->dbalLoad($config['dbal'], $container); |
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| 63 | } |
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| 64 | |||
| 65 | if (empty($config['orm'])) { |
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| 66 | return; |
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| 67 | } |
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| 68 | |||
| 69 | if (empty($config['dbal'])) { |
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| 70 | throw new LogicException('Configuring the ORM layer requires to configure the DBAL layer as well.'); |
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| 71 | } |
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| 72 | |||
| 73 | if (! class_exists(Version::class)) { |
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| 74 | throw new LogicException('To configure the ORM layer, you must first install the doctrine/orm package.'); |
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| 75 | } |
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| 76 | |||
| 77 | $this->ormLoad($config['orm'], $container); |
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| 78 | } |
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| 79 | |||
| 80 | /** |
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| 81 | * Loads the DBAL configuration. |
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| 82 | * |
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| 83 | * Usage example: |
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| 84 | * |
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| 85 | * <doctrine:dbal id="myconn" dbname="sfweb" user="root" /> |
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| 86 | * |
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| 87 | * @param array $config An array of configuration settings |
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| 88 | * @param ContainerBuilder $container A ContainerBuilder instance |
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| 89 | */ |
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| 90 | protected function dbalLoad(array $config, ContainerBuilder $container) |
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| 91 | { |
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| 92 | $loader = new XmlFileLoader($container, new FileLocator(__DIR__ . '/../Resources/config')); |
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| 93 | $loader->load('dbal.xml'); |
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| 94 | |||
| 95 | if (empty($config['default_connection'])) { |
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| 96 | $keys = array_keys($config['connections']); |
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| 97 | $config['default_connection'] = reset($keys); |
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| 98 | } |
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| 99 | |||
| 100 | $this->defaultConnection = $config['default_connection']; |
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| 101 | |||
| 102 | $container->setAlias('database_connection', sprintf('doctrine.dbal.%s_connection', $this->defaultConnection)); |
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| 103 | $container->getAlias('database_connection')->setPublic(true); |
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| 104 | $container->setAlias('doctrine.dbal.event_manager', new Alias(sprintf('doctrine.dbal.%s_connection.event_manager', $this->defaultConnection), false)); |
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| 105 | |||
| 106 | $container->setParameter('doctrine.dbal.connection_factory.types', $config['types']); |
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| 107 | |||
| 108 | $connections = []; |
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| 109 | |||
| 110 | foreach (array_keys($config['connections']) as $name) { |
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| 111 | $connections[$name] = sprintf('doctrine.dbal.%s_connection', $name); |
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| 112 | } |
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| 113 | |||
| 114 | $container->setParameter('doctrine.connections', $connections); |
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| 115 | $container->setParameter('doctrine.default_connection', $this->defaultConnection); |
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| 116 | |||
| 117 | foreach ($config['connections'] as $name => $connection) { |
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| 118 | $this->loadDbalConnection($name, $connection, $container); |
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| 119 | } |
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| 120 | } |
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| 121 | |||
| 122 | /** |
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| 123 | * Loads a configured DBAL connection. |
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| 124 | * |
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| 125 | * @param string $name The name of the connection |
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| 126 | * @param array $connection A dbal connection configuration. |
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| 127 | * @param ContainerBuilder $container A ContainerBuilder instance |
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| 128 | */ |
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| 129 | protected function loadDbalConnection($name, array $connection, ContainerBuilder $container) |
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| 130 | { |
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| 131 | $configuration = $container->setDefinition(sprintf('doctrine.dbal.%s_connection.configuration', $name), new ChildDefinition('doctrine.dbal.connection.configuration')); |
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| 132 | $logger = null; |
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| 133 | if ($connection['logging']) { |
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| 134 | $logger = new Reference('doctrine.dbal.logger'); |
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| 135 | } |
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| 136 | unset($connection['logging']); |
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| 137 | if ($connection['profiling']) { |
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| 138 | $profilingLoggerId = 'doctrine.dbal.logger.profiling.' . $name; |
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| 139 | $container->setDefinition($profilingLoggerId, new ChildDefinition('doctrine.dbal.logger.profiling')); |
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| 140 | $profilingLogger = new Reference($profilingLoggerId); |
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| 141 | $container->getDefinition('data_collector.doctrine')->addMethodCall('addLogger', [$name, $profilingLogger]); |
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| 142 | |||
| 143 | if ($logger !== null) { |
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| 144 | $chainLogger = new ChildDefinition('doctrine.dbal.logger.chain'); |
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| 145 | $chainLogger->addMethodCall('addLogger', [$profilingLogger]); |
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| 146 | |||
| 147 | $loggerId = 'doctrine.dbal.logger.chain.' . $name; |
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| 148 | $container->setDefinition($loggerId, $chainLogger); |
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| 149 | $logger = new Reference($loggerId); |
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| 150 | } else { |
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| 151 | $logger = $profilingLogger; |
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| 152 | } |
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| 153 | } |
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| 154 | unset($connection['profiling']); |
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| 155 | |||
| 156 | if (isset($connection['auto_commit'])) { |
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| 157 | $configuration->addMethodCall('setAutoCommit', [$connection['auto_commit']]); |
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| 158 | } |
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| 159 | |||
| 160 | unset($connection['auto_commit']); |
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| 161 | |||
| 162 | if (isset($connection['schema_filter']) && $connection['schema_filter']) { |
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| 163 | if (method_exists(\Doctrine\DBAL\Configuration::class, 'setSchemaAssetsFilter')) { |
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| 164 | $definition = new Definition(RegexSchemaAssetFilter::class, [$connection['schema_filter']]); |
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| 165 | $definition->addTag('doctrine.dbal.schema_filter', ['connection' => $name]); |
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| 166 | $container->setDefinition(sprintf('doctrine.dbal.%s_regex_schema_filter', $name), $definition); |
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| 167 | } else { |
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| 168 | // backwards compatibility with dbal < 2.9 |
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| 169 | $configuration->addMethodCall('setFilterSchemaAssetsExpression', [$connection['schema_filter']]); |
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| 170 | } |
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| 171 | } |
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| 172 | |||
| 173 | unset($connection['schema_filter']); |
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| 174 | |||
| 175 | if ($logger) { |
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| 176 | $configuration->addMethodCall('setSQLLogger', [$logger]); |
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| 177 | } |
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| 178 | |||
| 179 | // event manager |
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| 180 | $container->setDefinition(sprintf('doctrine.dbal.%s_connection.event_manager', $name), new ChildDefinition('doctrine.dbal.connection.event_manager')); |
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| 181 | |||
| 182 | // connection |
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| 183 | $options = $this->getConnectionOptions($connection); |
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| 184 | |||
| 185 | $def = $container |
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| 186 | ->setDefinition(sprintf('doctrine.dbal.%s_connection', $name), new ChildDefinition('doctrine.dbal.connection')) |
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| 187 | ->setPublic(true) |
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| 188 | ->setArguments([ |
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| 189 | $options, |
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| 190 | new Reference(sprintf('doctrine.dbal.%s_connection.configuration', $name)), |
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| 191 | new Reference(sprintf('doctrine.dbal.%s_connection.event_manager', $name)), |
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| 192 | $connection['mapping_types'], |
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| 193 | ]); |
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| 194 | |||
| 195 | // Set class in case "wrapper_class" option was used to assist IDEs |
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| 196 | if (isset($options['wrapperClass'])) { |
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| 197 | $def->setClass($options['wrapperClass']); |
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| 198 | } |
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| 199 | |||
| 200 | if (! empty($connection['use_savepoints'])) { |
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| 201 | $def->addMethodCall('setNestTransactionsWithSavepoints', [$connection['use_savepoints']]); |
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| 202 | } |
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| 203 | |||
| 204 | // Create a shard_manager for this connection |
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| 205 | if (! isset($options['shards'])) { |
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| 206 | return; |
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| 207 | } |
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| 208 | |||
| 209 | $shardManagerDefinition = new Definition($options['shardManagerClass'], [new Reference(sprintf('doctrine.dbal.%s_connection', $name))]); |
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| 210 | $container->setDefinition(sprintf('doctrine.dbal.%s_shard_manager', $name), $shardManagerDefinition); |
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| 211 | } |
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| 212 | |||
| 213 | protected function getConnectionOptions($connection) |
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| 214 | { |
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| 215 | $options = $connection; |
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| 216 | |||
| 217 | if (isset($options['platform_service'])) { |
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| 218 | $options['platform'] = new Reference($options['platform_service']); |
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| 219 | unset($options['platform_service']); |
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| 220 | } |
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| 221 | unset($options['mapping_types']); |
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| 222 | |||
| 223 | if (isset($options['shard_choser_service'])) { |
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| 224 | $options['shard_choser'] = new Reference($options['shard_choser_service']); |
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| 225 | unset($options['shard_choser_service']); |
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| 226 | } |
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| 227 | |||
| 228 | foreach ([ |
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| 229 | 'options' => 'driverOptions', |
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| 230 | 'driver_class' => 'driverClass', |
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| 231 | 'wrapper_class' => 'wrapperClass', |
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| 232 | 'keep_slave' => 'keepSlave', |
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| 233 | 'shard_choser' => 'shardChoser', |
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| 234 | 'shard_manager_class' => 'shardManagerClass', |
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| 235 | 'server_version' => 'serverVersion', |
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| 236 | 'default_table_options' => 'defaultTableOptions', |
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| 237 | ] as $old => $new) { |
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| 238 | if (! isset($options[$old])) { |
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| 239 | continue; |
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| 240 | } |
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| 241 | |||
| 242 | $options[$new] = $options[$old]; |
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| 243 | unset($options[$old]); |
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| 244 | } |
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| 245 | |||
| 246 | if (! empty($options['slaves']) && ! empty($options['shards'])) { |
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| 247 | throw new InvalidArgumentException('Sharding and master-slave connection cannot be used together'); |
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| 248 | } |
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| 249 | |||
| 250 | if (! empty($options['slaves'])) { |
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| 251 | $nonRewrittenKeys = [ |
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| 252 | 'driver' => true, |
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| 253 | 'driverOptions' => true, |
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| 254 | 'driverClass' => true, |
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| 255 | 'wrapperClass' => true, |
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| 256 | 'keepSlave' => true, |
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| 257 | 'shardChoser' => true, |
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| 258 | 'platform' => true, |
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| 259 | 'slaves' => true, |
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| 260 | 'master' => true, |
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| 261 | 'shards' => true, |
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| 262 | 'serverVersion' => true, |
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| 263 | 'defaultTableOptions' => true, |
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| 264 | // included by safety but should have been unset already |
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| 265 | 'logging' => true, |
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| 266 | 'profiling' => true, |
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| 267 | 'mapping_types' => true, |
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| 268 | 'platform_service' => true, |
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| 269 | ]; |
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| 270 | View Code Duplication | foreach ($options as $key => $value) { |
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| 271 | if (isset($nonRewrittenKeys[$key])) { |
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| 272 | continue; |
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| 273 | } |
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| 274 | $options['master'][$key] = $value; |
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| 275 | unset($options[$key]); |
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| 276 | } |
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| 277 | if (empty($options['wrapperClass'])) { |
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| 278 | // Change the wrapper class only if the user does not already forced using a custom one. |
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| 279 | $options['wrapperClass'] = 'Doctrine\\DBAL\\Connections\\MasterSlaveConnection'; |
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| 280 | } |
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| 281 | } else { |
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| 282 | unset($options['slaves']); |
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| 283 | } |
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| 284 | |||
| 285 | if (! empty($options['shards'])) { |
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| 286 | $nonRewrittenKeys = [ |
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| 287 | 'driver' => true, |
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| 288 | 'driverOptions' => true, |
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| 289 | 'driverClass' => true, |
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| 290 | 'wrapperClass' => true, |
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| 291 | 'keepSlave' => true, |
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| 292 | 'shardChoser' => true, |
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| 293 | 'platform' => true, |
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| 294 | 'slaves' => true, |
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| 295 | 'global' => true, |
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| 296 | 'shards' => true, |
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| 297 | 'serverVersion' => true, |
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| 298 | 'defaultTableOptions' => true, |
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| 299 | // included by safety but should have been unset already |
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| 300 | 'logging' => true, |
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| 301 | 'profiling' => true, |
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| 302 | 'mapping_types' => true, |
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| 303 | 'platform_service' => true, |
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| 304 | ]; |
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| 305 | View Code Duplication | foreach ($options as $key => $value) { |
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| 306 | if (isset($nonRewrittenKeys[$key])) { |
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| 307 | continue; |
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| 308 | } |
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| 309 | $options['global'][$key] = $value; |
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| 310 | unset($options[$key]); |
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| 311 | } |
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| 312 | if (empty($options['wrapperClass'])) { |
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| 313 | // Change the wrapper class only if the user does not already forced using a custom one. |
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| 314 | $options['wrapperClass'] = 'Doctrine\\DBAL\\Sharding\\PoolingShardConnection'; |
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| 315 | } |
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| 316 | if (empty($options['shardManagerClass'])) { |
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| 317 | // Change the shard manager class only if the user does not already forced using a custom one. |
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| 318 | $options['shardManagerClass'] = 'Doctrine\\DBAL\\Sharding\\PoolingShardManager'; |
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| 319 | } |
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| 320 | } else { |
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| 321 | unset($options['shards']); |
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| 322 | } |
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| 323 | |||
| 324 | return $options; |
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| 325 | } |
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| 326 | |||
| 327 | /** |
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| 328 | * Loads the Doctrine ORM configuration. |
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| 329 | * |
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| 330 | * Usage example: |
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| 331 | * |
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| 332 | * <doctrine:orm id="mydm" connection="myconn" /> |
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| 333 | * |
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| 334 | * @param array $config An array of configuration settings |
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| 335 | * @param ContainerBuilder $container A ContainerBuilder instance |
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| 336 | */ |
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| 337 | protected function ormLoad(array $config, ContainerBuilder $container) |
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| 338 | { |
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| 339 | $loader = new XmlFileLoader($container, new FileLocator(__DIR__ . '/../Resources/config')); |
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| 340 | $loader->load('orm.xml'); |
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| 341 | |||
| 342 | $entityManagers = []; |
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| 343 | foreach (array_keys($config['entity_managers']) as $name) { |
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| 344 | $entityManagers[$name] = sprintf('doctrine.orm.%s_entity_manager', $name); |
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| 345 | } |
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| 346 | $container->setParameter('doctrine.entity_managers', $entityManagers); |
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| 347 | |||
| 348 | if (empty($config['default_entity_manager'])) { |
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| 349 | $tmp = array_keys($entityManagers); |
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| 350 | $config['default_entity_manager'] = reset($tmp); |
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| 351 | } |
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| 352 | $container->setParameter('doctrine.default_entity_manager', $config['default_entity_manager']); |
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| 353 | |||
| 354 | $options = ['auto_generate_proxy_classes', 'proxy_dir', 'proxy_namespace']; |
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| 355 | foreach ($options as $key) { |
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| 356 | $container->setParameter('doctrine.orm.' . $key, $config[$key]); |
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| 357 | } |
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| 358 | |||
| 359 | $container->setAlias('doctrine.orm.entity_manager', sprintf('doctrine.orm.%s_entity_manager', $config['default_entity_manager'])); |
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| 360 | $container->getAlias('doctrine.orm.entity_manager')->setPublic(true); |
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| 361 | |||
| 362 | $config['entity_managers'] = $this->fixManagersAutoMappings($config['entity_managers'], $container->getParameter('kernel.bundles')); |
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| 363 | |||
| 364 | $loadPropertyInfoExtractor = interface_exists(PropertyInfoExtractorInterface::class) |
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| 365 | && class_exists(DoctrineExtractor::class); |
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| 366 | |||
| 367 | foreach ($config['entity_managers'] as $name => $entityManager) { |
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| 368 | $entityManager['name'] = $name; |
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| 369 | $this->loadOrmEntityManager($entityManager, $container); |
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| 370 | |||
| 371 | if ($loadPropertyInfoExtractor) { |
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| 372 | $this->loadPropertyInfoExtractor($name, $container); |
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| 373 | } |
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| 374 | |||
| 375 | $this->loadValidatorLoader($name, $container); |
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| 376 | } |
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| 377 | |||
| 378 | if ($config['resolve_target_entities']) { |
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| 379 | $def = $container->findDefinition('doctrine.orm.listeners.resolve_target_entity'); |
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| 380 | foreach ($config['resolve_target_entities'] as $name => $implementation) { |
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| 381 | $def->addMethodCall('addResolveTargetEntity', [ |
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| 382 | $name, |
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| 383 | $implementation, |
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| 384 | [], |
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| 385 | ]); |
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| 386 | } |
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| 387 | |||
| 388 | $def->addTag('doctrine.event_subscriber'); |
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| 389 | } |
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| 390 | |||
| 391 | $container->registerForAutoconfiguration(ServiceEntityRepositoryInterface::class) |
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| 392 | ->addTag(ServiceRepositoryCompilerPass::REPOSITORY_SERVICE_TAG); |
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| 393 | |||
| 394 | $this->loadMessengerServices($container); |
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| 395 | } |
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| 396 | |||
| 397 | /** |
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| 398 | * Loads a configured ORM entity manager. |
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| 399 | * |
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| 400 | * @param array $entityManager A configured ORM entity manager. |
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| 401 | * @param ContainerBuilder $container A ContainerBuilder instance |
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| 402 | */ |
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| 403 | protected function loadOrmEntityManager(array $entityManager, ContainerBuilder $container) |
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| 533 | |||
| 534 | /** |
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| 535 | * Loads an ORM entity managers bundle mapping information. |
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| 536 | * |
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| 537 | * There are two distinct configuration possibilities for mapping information: |
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| 538 | * |
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| 539 | * 1. Specify a bundle and optionally details where the entity and mapping information reside. |
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| 540 | * 2. Specify an arbitrary mapping location. |
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| 541 | * |
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| 542 | * @param array $entityManager A configured ORM entity manager |
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| 543 | * @param Definition $ormConfigDef A Definition instance |
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| 544 | * @param ContainerBuilder $container A ContainerBuilder instance |
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| 545 | * |
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| 546 | * @example |
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| 547 | * |
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| 548 | * doctrine.orm: |
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| 549 | * mappings: |
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| 550 | * MyBundle1: ~ |
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| 551 | * MyBundle2: yml |
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| 552 | * MyBundle3: { type: annotation, dir: Entities/ } |
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| 553 | * MyBundle4: { type: xml, dir: Resources/config/doctrine/mapping } |
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| 554 | * MyBundle5: |
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| 555 | * type: yml |
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| 556 | * dir: bundle-mappings/ |
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| 557 | * alias: BundleAlias |
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| 558 | * arbitrary_key: |
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| 559 | * type: xml |
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| 560 | * dir: %kernel.root_dir%/../src/vendor/DoctrineExtensions/lib/DoctrineExtensions/Entities |
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| 561 | * prefix: DoctrineExtensions\Entities\ |
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| 562 | * alias: DExt |
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| 563 | * |
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| 564 | * In the case of bundles everything is really optional (which leads to autodetection for this bundle) but |
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| 565 | * in the mappings key everything except alias is a required argument. |
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| 566 | */ |
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| 567 | protected function loadOrmEntityManagerMappingInformation(array $entityManager, Definition $ormConfigDef, ContainerBuilder $container) |
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| 578 | |||
| 579 | /** |
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| 580 | * Loads an ORM second level cache bundle mapping information. |
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| 581 | * |
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| 582 | * @param array $entityManager A configured ORM entity manager |
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| 583 | * @param Definition $ormConfigDef A Definition instance |
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| 584 | * @param ContainerBuilder $container A ContainerBuilder instance |
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| 585 | * |
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| 586 | * @example |
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| 587 | * entity_managers: |
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| 588 | * default: |
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| 589 | * second_level_cache: |
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| 590 | * region_cache_driver: apc |
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| 591 | * log_enabled: true |
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| 592 | * regions: |
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| 593 | * my_service_region: |
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| 594 | * type: service |
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| 595 | * service : "my_service_region" |
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| 596 | * |
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| 597 | * my_query_region: |
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| 598 | * lifetime: 300 |
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| 599 | * cache_driver: array |
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| 600 | * type: filelock |
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| 601 | * |
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| 602 | * my_entity_region: |
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| 603 | * lifetime: 600 |
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| 604 | * cache_driver: |
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| 605 | * type: apc |
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| 606 | */ |
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| 607 | protected function loadOrmSecondLevelCache(array $entityManager, Definition $ormConfigDef, ContainerBuilder $container) |
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| 695 | |||
| 696 | /** |
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| 697 | * {@inheritDoc} |
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| 698 | */ |
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| 699 | protected function getObjectManagerElementName($name) |
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| 703 | |||
| 704 | protected function getMappingObjectDefaultName() |
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| 708 | |||
| 709 | /** |
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| 710 | * {@inheritDoc} |
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| 711 | */ |
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| 712 | protected function getMappingResourceConfigDirectory() |
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| 716 | |||
| 717 | /** |
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| 718 | * {@inheritDoc} |
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| 719 | */ |
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| 720 | protected function getMappingResourceExtension() |
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| 724 | |||
| 725 | /** |
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| 726 | * {@inheritDoc} |
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| 727 | */ |
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| 728 | protected function loadCacheDriver($driverName, $entityManagerName, array $driverMap, ContainerBuilder $container) |
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| 729 | { |
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| 730 | $serviceId = null; |
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| 755 | |||
| 756 | /** |
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| 757 | * Loads a configured entity managers cache drivers. |
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| 758 | * |
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| 759 | * @param array $entityManager A configured ORM entity manager. |
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| 760 | * @param ContainerBuilder $container A ContainerBuilder instance |
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| 761 | */ |
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| 762 | protected function loadOrmCacheDrivers(array $entityManager, ContainerBuilder $container) |
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| 768 | |||
| 769 | /** |
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| 770 | * Loads a property info extractor for each defined entity manager. |
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| 771 | * |
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| 772 | * @param string $entityManagerName |
||
| 773 | */ |
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| 774 | private function loadPropertyInfoExtractor($entityManagerName, ContainerBuilder $container) |
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| 795 | |||
| 796 | /** |
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| 797 | * Loads a validator loader for each defined entity manager. |
||
| 798 | */ |
||
| 799 | private function loadValidatorLoader(string $entityManagerName, ContainerBuilder $container) : void |
||
| 810 | |||
| 811 | /** |
||
| 812 | * @param array $objectManager |
||
| 813 | * @param string $cacheName |
||
| 814 | */ |
||
| 815 | public function loadObjectManagerCacheDriver(array $objectManager, ContainerBuilder $container, $cacheName) |
||
| 819 | |||
| 820 | /** |
||
| 821 | * {@inheritDoc} |
||
| 822 | */ |
||
| 823 | public function getXsdValidationBasePath() |
||
| 827 | |||
| 828 | /** |
||
| 829 | * {@inheritDoc} |
||
| 830 | */ |
||
| 831 | public function getNamespace() |
||
| 835 | |||
| 836 | /** |
||
| 837 | * {@inheritDoc} |
||
| 838 | */ |
||
| 839 | public function getConfiguration(array $config, ContainerBuilder $container) |
||
| 843 | |||
| 844 | private function loadMessengerServices(ContainerBuilder $container) : void |
||
| 869 | |||
| 870 | private function createPoolCacheDefinition(ContainerBuilder $container, string $aliasId, string $poolName) : string |
||
| 884 | } |
||
| 885 |
Unless you are absolutely sure that the expression can never be null because of other conditions, we strongly recommend to add an additional type check to your code: