Add record iterator and simple model implementation.

src/Database/DatabaseSchema.php

@@ -43,7 +43,11 @@ public function __construct(Database $database)
     public function __get($model)
     {
         if (!isset($this->models[$model])) {
-            $this->models[$model] = new SimpleModel($this->database->$model, $this->definition->getDefinition($model));
+            $this->models[$model] = new SimpleModel(
+                $model,
+                $this->database->$model,
+                $this->definition->getDefinition($model)
+            );
         }
         return $this->models[$model];
     }

src/Model.php

@@ -51,6 +51,14 @@ public function create(array $data = array(), $allowedFields = null);
      * @return Record A record.
      */
     public function open(array $data, Query\ReadSelection $selection);
+
+    /**
+     * Like {@see readSelection}, but returns a {@see Record} iterator.
+     *
+     * @param \Jivoo\Data\Query\ReadSelection $selection Read selection.
+     * @return \Iterator A {@see Record} iterator.
+     */
+    public function openSelection(Query\ReadSelection $selection);
 
     /**
      * Make a selection that selects a single record.

src/ModelBase.php

@@ -77,6 +77,14 @@ public function open(array $data, Query\ReadSelection $selection)
         return RecordBuilder::open($this, $data, $virtual);
     }
 
+    /**
+     * {@inheritDoc}
+     */
+    public function openSelection(Query\ReadSelection $selection)
+    {
+        return new RecordIterator($this->readSelection($selection), $this, $selection);
+    }
+
     /**
      * {@inheritDoc}
      */

src/RecordIterator.php

@@ -0,0 +1,82 @@
+<?php
+// Jivoo Data
+// Copyright (c) 2016 Niels Sonnich Poulsen (http://nielssp.dk)
+// Licensed under the MIT license.
+// See the LICENSE file or http://opensource.org/licenses/MIT for more information.
+namespace Jivoo\Data;
+
+/**
+ * An iterator that converts associative arrays to {@see Record}s.
+ */
+class RecordIterator implements \Iterator
+{
+
+    /**
+     * @var \Iterator
+     */
+    private $data;
+
+    /**
+     * @var Model
+     */
+    private $model;
+
+    /**
+     * @var Query\ReadSelection
+     */
+    private $selection;
+
+    /**
+     * Construct iterator.
+     *
+     * @param \Iterator $data Data iterator.
+     * @param \Jivoo\Data\Model $model Model.
+     * @param \Jivoo\Data\Query\ReadSelection $selection Read selection.
+     */
+    public function __construct(\Iterator $data, Model $model, \Jivoo\Data\Query\ReadSelection $selection)
+    {
+        $this->data = $data;
+        $this->model = $model;
+        $this->selection = $selection;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function current()
+    {
+        return $this->model->open($this->data->current(), $this->selection);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function key()
+    {
+        return $this->data->key();
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function next()
+    {
+        $this->data->next();
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function rewind()
+    {
+        $this->data->rewind();
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function valid()
+    {
+        return $this->data->valid();
+    }
+}

src/SimpleModel.php

@@ -0,0 +1,114 @@
+<?php
+// Jivoo Data
+// Copyright (c) 2016 Niels Sonnich Poulsen (http://nielssp.dk)
+// Licensed under the MIT license.
+// See the LICENSE file or http://opensource.org/licenses/MIT for more information.
+namespace Jivoo\Data;
+
+/**
+ * A simple {@see Model} implementation.
+ */
+class SimpleModel extends ModelBase
+{
+
+    /**
+     * @var string
+     */
+    private $name;
+
+    /**
+     * @var DataSource
+     */
+    private $source;
+
+    /**
+     * @var Definition
+     */
+    private $definition;
+
+    /**
+     * Construct simple model.
+     *
+     * @param type $name Model name.
+     * @param \Jivoo\Data\DataSource $source Data source.
+     * @param \Jivoo\Data\Jivoo\Data\Definition $definition Data definition.
+     */
+    public function __construct($name, DataSource $source, Jivoo\Data\Definition $definition)
+    {
+        $this->name = $name;
+        $this->source = $source;
+        $this->definition = $definition;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function countSelection(Query\ReadSelection $selection)
+    {
+        return $this->source->countSelection($selection);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function deleteSelection(Query\Selection $selection)
+    {
+        return $this->source->deleteSelection($selection);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getDefinition()
+    {
+        return $this->definition;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getName()
+    {
+        return $this->name;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function insert(array $data, $replace = false)
+    {
+        return $this->source->insert($data, $replace);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function insertMultiple(array $records, $replace = false)
+    {
+        return $this->source->insertMultiple($records, $replace);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function joinWith(DataSource $other)
+    {
+        return $this->source->joinWith($other);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function readSelection(Query\ReadSelection $selection)
+    {
+        return $this->source->readSelection($selection);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function updateSelection(Query\UpdateSelection $selection)
+    {
+        return $this->source->updateSelection($selection);
+    }
+}