[amadeus] added Record::has() and Table::hasForeignKey(),hasRelatedComponent()

Doctrine/Record.php

@@ -607,6 +607,18 @@ abstract class Doctrine_Record extends Doctrine_Access implements Countable, Ite
             $this->modified[]  = $name;
         }
     }
+    /**
+     * has
+     * method for checking existence of properties and Doctrine_Record references
+     *
+     * @param mixed $name               name of the property or reference
+     * @return boolean
+     */
+    public function has($name) {
+        if(isset($this->data[$name]) OR isset($this->id[$name]))
+            return true;
+        return $this->table->hasForeignKey($name);
+    }
     /**
      * set
      * method for altering properties and Doctrine_Record references

Doctrine/Table.php

@@ -513,6 +513,28 @@ class Doctrine_Table extends Doctrine_Configurable implements Countable {
     final public function getCache() {
         return $this->cache;
     }
+    /**
+     * hasRelatedComponent
+     * @return boolean
+     */
+    final public function hasRelatedComponent($name, $component) {
+         return (strpos($this->bound[$name][0], $component.'.') !== false);
+    }
+    /**
+     * @param string $name              component name of which a foreign key object is bound
+     * @return boolean
+     */
+    final public function hasForeignKey($name) {
+        if(isset($this->bound[$name]))
+            return true;
+
+        foreach($this->bound as $k=>$v)
+        {
+            if($this->hasRelatedComponent($k, $name))
+                return true;
+        }
+        return false;
+    }
     /**
      * @param string $name              component name of which a foreign key object is bound
      * @return Doctrine_Relation