Fix traversable model base.

examples/example1.php

@@ -29,7 +29,7 @@
 $loader->setLogger($logger);
 
 // Connect to "default":
-$db = $loader->connect('default');
+$db = new \Jivoo\Data\Database\DatabaseSchema($loader->connect('default'));
 
 echo '<pre>';
 

src/Database/DatabaseSchema.php

@@ -43,7 +43,7 @@ public function __construct(Database $database)
     public function __get($model)
     {
         if (!isset($this->models[$model])) {
-            $this->models[$model] = new SimpleModel(
+            $this->models[$model] = new \Jivoo\Data\SimpleModel(
                 $model,
                 $this->database->$model,
                 $this->definition->getDefinition($model)

src/Database/LoadableDatabase.php

@@ -10,7 +10,7 @@
 /**
  * A database driver that can be loaded by the {@see Loader}.
  */
-abstract class LoadableDatabase implements MigratableDatabase
+abstract class LoadableDatabase implements MigratableDatabase, \Psr\Log\LoggerAwareInterface
 {
 
     /**
@@ -32,6 +32,11 @@ abstract class LoadableDatabase implements MigratableDatabase
      * @var Table[] Tables.
      */
     private $tables;
+
+    /**
+     * @var \Psr\Log\LoggerAwareInterface Logger.
+     */
+    protected $logger;
 
     /**
      * Construct database.
@@ -43,6 +48,7 @@ abstract class LoadableDatabase implements MigratableDatabase
      */
     final public function __construct(DatabaseDefinition $definition, $options = array())
     {
+        $this->logger = new \Jivoo\Log\NullLogger;
         $this->definition = new DatabaseDefinitionBuilder($definition);
         $this->init($options);
         $this->migrationAdapter = $this->getMigrationAdapter();
@@ -51,6 +57,14 @@ final public function __construct(DatabaseDefinition $definition, $options = arr
             $this->tables[$table] = $this->getTable($table);
         }
     }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function setLogger(\Psr\Log\LoggerInterface $logger)
+    {
+        $this->logger = $logger;
+    }
 
     /**
      * Get table.

src/ModelBase.php

@@ -13,7 +13,7 @@
 /**
  * A selectable data source with a schema.
  */
-abstract class ModelBase implements Model
+abstract class ModelBase implements \IteratorAggregate, Model
 {
     use SelectableTrait, UpdatableTrait, DeletableTrait, ReadableTrait;