from buzzard._a_stored_vector import AStoredVector, ABackStoredVector
from buzzard._a_emissary import AEmissary, ABackEmissary
[docs]class AEmissaryVector(AEmissary, AStoredVector):
"""Base abstract class defining the common behavior of all vectors that are backed by a driver.
Features Defined
----------------
- Has a `layer` (if the driver supports it)
"""
@property
def layer(self):
return self._back.layer
class ABackEmissaryVector(ABackEmissary, ABackStoredVector):
"""Implementation of AEmissaryVector's specifications"""
def __init__(self, layer, **kwargs):
super(ABackEmissaryVector, self).__init__(**kwargs)
self.layer = layer