î
ªÍ X  ã               @   s    d  Z  Gd d „  d e ƒ Z d S)zL
A collection of utility routines and classes used by the spatial
backends.
c               @   sL   e  Z d  Z d Z d Z d d d d „ Z e d d „  ƒ Z d d „  Z d S)	ÚSpatialOperatorzY
    Class encapsulating the behavior specific to a GIS operation (used by lookups).
    Nc             C   s   | |  _  | |  _ d  S)N)ÚopÚfunc)Úselfr   r   © r   úR/home/ubuntu/projects/ifolica/build/django/django/contrib/gis/db/backends/utils.pyÚ__init__   s    	zSpatialOperator.__init__c             C   s   |  j  r d Sd Sd  S)Nz%(func)s(%(lhs)s, %(rhs)s)z%(lhs)s %(op)s %(rhs)s)r   )r   r   r   r   Údefault_template   s    	z SpatialOperator.default_templatec             C   sJ   |  j  p | j  p |  j } | j i |  j d 6|  j d 6ƒ | | | f S)Nr   r   )Úsql_templater   Úupdater   r   )r   Ú
connectionÚlookupZtemplate_paramsZ
sql_paramsr	   r   r   r   Úas_sql   s    !zSpatialOperator.as_sql)	Ú__name__Ú
__module__Ú__qualname__Ú__doc__r	   r   Úpropertyr   r   r   r   r   r   r      s
   r   N)r   Úobjectr   r   r   r   r   Ú<module>   s   