changed modifiers

lib/Doctrine/ORM/Query/Expr/Comparison.php

@@ -41,17 +41,17 @@ class Comparison
     /**
      * @var mixed
      */
-    private $leftExpr;
+    protected $leftExpr;
 
     /**
      * @var string
      */
-    private $operator;
+    protected $operator;
 
     /**
      * @var mixed
      */
-    private $rightExpr;
+    protected $rightExpr;
 
     /**
      * Creates a comparison expression with the given arguments.

lib/Doctrine/ORM/Query/Expr/From.php

@@ -34,17 +34,17 @@ class From
     /**
      * @var string
      */
-    private $from;
+    protected $from;
 
     /**
      * @var string
      */
-    private $alias;
+    protected $alias;
 
     /**
      * @var string
      */
-    private $indexBy;
+    protected $indexBy;
 
     /**
      * @param string $from      The class name.

lib/Doctrine/ORM/Query/Expr/Func.php

@@ -34,12 +34,12 @@ class Func
     /**
      * @var string
      */
-    private $name;
+    protected $name;
 
     /**
      * @var array
      */
-    private $arguments;
+    protected $arguments;
 
     /**
      * Creates a function, with the given argument.
@@ -69,6 +69,9 @@ class Func
         return $this->arguments;
     }
 
+    /**
+     * @return string
+     */
     public function __toString()
     {
         return $this->name . '(' . implode(', ', $this->arguments) . ')';

lib/Doctrine/ORM/Query/Expr/Join.php

@@ -40,32 +40,32 @@ class Join
     /**
      * @var string
      */
-    private $joinType;
+    protected $joinType;
 
     /**
      * @var string
      */
-    private $join;
+    protected $join;
 
     /**
      * @var string
      */
-    private $alias;
+    protected $alias;
 
     /**
      * @var string
      */
-    private $conditionType;
+    protected $conditionType;
 
     /**
      * @var string
      */
-    private $condition;
+    protected $condition;
 
     /**
      * @var string
      */
-    private $indexBy;
+    protected $indexBy;
 
     /**
      * @param string $joinType      The condition type constant. Either INNER_JOIN or LEFT_JOIN.

lib/Doctrine/ORM/Query/Expr/Math.php

@@ -34,17 +34,17 @@ class Math
     /**
      * @var mixed
      */
-    private $leftExpr;
+    protected $leftExpr;
 
     /**
      * @var string
      */
-    private $operator;
+    protected $operator;
 
     /**
      * @var mixed
      */
-    private $rightExpr;
+    protected $rightExpr;
 
     /**
      * Creates a mathematical expression with the given arguments.
@@ -84,6 +84,9 @@ class Math
         return $this->rightExpr;
     }
 
+    /**
+     * @return string
+     */
     public function __toString()
     {
         // Adjusting Left Expression

lib/Doctrine/ORM/Query/Expr/OrderBy.php

@@ -54,7 +54,7 @@ class OrderBy
     /**
      * @var array
      */
-    private $parts = array();
+    protected $parts = array();
 
     /**
      * @param string $sort