Make connection configuration mergable (#10)

Author: nicholasnet

src/DependencyInjection/Configuration.php

@@ -112,31 +112,32 @@ public function getConfigTreeBuilder()
                     ->info('Use this setting to define path console path.')
                 ->end()
                 ->scalarNode('cache_handler')->isRequired()->info('Cache handler.')->end()
-                ->arrayNode('connections')->prototype('array')
-                    ->children()
-                        ->scalarNode('driver')->isRequired()->cannotBeEmpty()
-                            ->validate()
-                                ->ifNotInArray($drivers)
-                                ->thenInvalid('Invalid queue driver "%s". Supported drivers are ' . implode(', ', $drivers))
+                ->arrayNode('connections')
+                    ->useAttributeAsKey('name')
+                    ->prototype('array')
+                        ->children()
+                            ->scalarNode('driver')->isRequired()->cannotBeEmpty()
+                                ->validate()
+                                    ->ifNotInArray($drivers)
+                                    ->thenInvalid('Invalid queue driver "%s". Supported drivers are ' . implode(', ', $drivers))
+                                ->end()
                             ->end()
+                            ->scalarNode('queue')->end()
+                            ->scalarNode('key')->end()
+                            ->scalarNode('client')->end()
+                            ->integerNode('retry_after')->end()
+                            ->scalarNode('secret')->end()
+                            ->scalarNode('region')->end()
+                            ->booleanNode('persistent')->defaultFalse()->end()
+                            ->scalarNode('host')->end()
+                            ->scalarNode('repository')->end()
+                            ->scalarNode('prefix')->end()
+                            ->scalarNode('endpoint')->end()
+                            ->integerNode('timeout')->end()
+                            ->integerNode('port')->end()
                         ->end()
-                        ->scalarNode('queue')->end()
-                        ->scalarNode('key')->end()
-                        ->scalarNode('client')->end()
-                        ->integerNode('retry_after')->end()
-                        ->scalarNode('secret')->end()
-                        ->scalarNode('region')->end()
-                        ->booleanNode('persistent')->defaultFalse()->end()
-                        ->scalarNode('host')->end()
-                        ->scalarNode('repository')->end()
-                        ->scalarNode('prefix')->end()
-                        ->scalarNode('endpoint')->end()
-                        ->integerNode('timeout')->end()
-                        ->integerNode('port')->end()
                     ->end()
-                ->end()
-            ->end()
-        ;
+                ->end();
 
         return $treeBuilder;
     }