Removed the alias check. Not adding anything, but complicating serial…

…ization use cases

src/Mapping/Mapper.php

@@ -35,20 +35,8 @@ public function __construct(array $mappings = null)
             foreach ($mappings as $mappedClass) {
                 $mapping = $this->buildMapping($mappedClass);
 
-                if (false === empty($this->aliasMap[$mapping->getClassAlias()])) {
-
-                    throw new MappingException(
-                        sprintf(
-                            'Class with name \'%s\' already present, used by \'%s\'. Please add an alias for \'%s\' or change an existing one.',
-                            $mapping->getClassAlias(),
-                            $this->aliasMap[$mapping->getClassAlias()],
-                            $mapping->getClassName()
-                        )
-                    );
-                }
-
                 $this->classMap[ltrim($mapping->getClassName(), '\\')] = $mapping;
-                $this->aliasMap[ltrim($mapping->getClassAlias(), '\\')] = $mapping->getClassName();
+                $this->aliasMap[ltrim($mapping->getClassAlias(), '\\')][] = $mapping->getClassName();
             }
         }
     }
@@ -80,4 +68,19 @@ public function setClassMap(array $array)
     {
         $this->classMap = $array;
     }
+
+    /**
+     * @param string $firstClass
+     * @param string $secondClass
+     *
+     * @return bool
+     */
+    private function isSubclass($firstClass, $secondClass)
+    {
+        if ($firstClass === $secondClass) {
+            return false;
+        }
+
+        return is_subclass_of($firstClass, $secondClass, true) || is_subclass_of($secondClass, $firstClass, true);
+    }
 }

src/Mapping/MappingFactory.php

@@ -39,6 +39,7 @@ class MappingFactory
      * @param string $className
      *
      * @throws MappingException
+     *
      * @return Mapping
      *
      * @since 2.0.0
@@ -80,7 +81,6 @@ public static function fromClass($className)
         return static::fromArray($mappedClass);
     }
 
-
     /**
      * @param array $mappedClass
      *

tests/Dummy/ComplexObject/PostLite.php

@@ -0,0 +1,80 @@
+<?php
+
+/**
+ * Author: Nil Portugués Calderó <[email protected]>
+ * Date: 7/18/15
+ * Time: 10:42 AM.
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+namespace NilPortugues\Tests\Api\Dummy\ComplexObject;
+
+use NilPortugues\Tests\Api\Dummy\ComplexObject\ValueObject\PostId;
+use NilPortugues\Tests\Api\Dummy\ComplexObject\ValueObject\UserId;
+
+class PostLite
+{
+    /**
+     * @var PostId
+     */
+    private $postId;
+    /**
+     * @var
+     */
+    private $title;
+    /**
+     * @var
+     */
+    private $content;
+    /**
+     * @var User
+     */
+    private $author;
+
+    /**
+     * @param PostId $id
+     * @param $title
+     * @param $content
+     * @param User $user
+     */
+    public function __construct(PostId $id, $title, $content, User $user)
+    {
+        $this->postId = $id;
+        $this->title = $title;
+        $this->content = $content;
+        $this->author = $user;
+    }
+
+    /**
+     * @return mixed
+     */
+    public function getContent()
+    {
+        return $this->content;
+    }
+
+    /**
+     * @return PostId
+     */
+    public function getPostId()
+    {
+        return $this->postId;
+    }
+
+    /**
+     * @return mixed
+     */
+    public function getTitle()
+    {
+        return $this->title;
+    }
+
+    /**
+     * @return UserId
+     */
+    public function getUserId()
+    {
+        return $this->author;
+    }
+}

tests/Mapping/MapperTest.php

@@ -11,7 +11,6 @@
 namespace NilPortugues\Tests\Api\Mapping;
 
 use NilPortugues\Api\Mapping\Mapper;
-use NilPortugues\Api\Mapping\MappingException;
 use NilPortugues\Tests\Api\Dummy\ComplexObject\Post;
 use NilPortugues\Tests\Api\Dummy\PostApiMapping;
 
@@ -62,67 +61,6 @@ public function testItCanConstructWithArray()
         $this->assertNotEmpty($mapper->getClassMap());
     }
 
-    public function testItCanThrowException()
-    {
-        $this->setExpectedException(MappingException::class);
-
-        $mapping = [
-            [
-                'class' => Post::class,
-                'alias' => 'Message',
-                'aliased_properties' => [
-                    'author' => 'author',
-                    'title' => 'headline',
-                    'content' => 'body',
-                ],
-                'hide_properties' => [
-
-                ],
-                'id_properties' => [
-                    'postId',
-                ],
-                'urls' => [
-                    // Mandatory
-                    'self' => 'http://example.com/posts/{postId}',
-                    // Optional
-                    'comments' => 'http://example.com/posts/{postId}/comments',
-                ],
-                // (Optional) Used by HAL+JSON
-                'curies' => [
-                    'name' => 'example',
-                    'href' => 'http://example.com/docs/rels/{rel}',
-                ],
-            ],
-            [
-                'class' => Post::class,
-                'alias' => 'Message',
-                'aliased_properties' => [
-                    'author' => 'author',
-                    'title' => 'headline',
-                    'content' => 'body',
-                ],
-                'hide_properties' => [
-
-                ],
-                'id_properties' => [
-                    'postId',
-                ],
-                'urls' => [
-                    // Mandatory
-                    'self' => 'http://example.com/posts/{postId}',
-                    // Optional
-                    'comments' => 'http://example.com/posts/{postId}/comments',
-                ],
-                // (Optional) Used by HAL+JSON
-                'curies' => [
-                    'name' => 'example',
-                    'href' => 'http://example.com/docs/rels/{rel}',
-                ],
-            ],
-        ];
-        new Mapper($mapping);
-    }
-
     public function testItCanSetClassMap()
     {
         $mapper = new Mapper();