Chris,
<?php
class Category extends AppModel {
var $belongsTo =
array('ParentCategory'=>array('className'=>'Category',
'foreignKey'=>'category_id'));
var $hasMany = array('ChildCategory'=>array('className'=>'Category',
'foreignKey'=>'category_id'));
}
?>
You can see that the className is staying the same so it will use the
current model. The alias, ParentCategory and ChildCategory take on the
attributes of the Category model and are related to other categories
through the category_id.
If no foreignKey is specified, Cake expects the "<alias>_id" in the
table. So, in this example you would have a parent_category_id and
child_category_id.
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