Reference Manual

Public Member Functions
def	__init__

def	object

Public Attributes
	connection

Detailed Description

Contains methods for creating objects.

Definition at line 293 of file querying.py.

Constructor & Destructor Documentation

def querying.factory.__init__	(	self,
		connection
	)

Definition at line 297 of file querying.py.

 
     def __init__(self, connection):
         self.connection = connection

querying.factory.__init__

def __init__

Definition: querying.py:297

querying.factory.connection

connection

Definition: querying.py:298

def querying.factory.object	(	self,
		class_name,
		pkargs
	)

Definition at line 303 of file querying.py.

References models.apply_filters().

Referenced by Vispa.Views.LineDecayView.LineDecayContainer.createObject(), Vispa.Views.LineDecayView.LineDecayContainer.delete(), Vispa.Views.LineDecayView.DecayLine.delete(), Vispa.Views.LineDecayView.LineDecayContainer.mouseReleaseEvent(), and Vispa.Views.BoxDecayView.BoxDecayContainer.toggleCollapse().

 
     def object(self, class_name, **pkargs):
         from data_sources import json_list
         from models import apply_filters
         # get the class that self.connection holds from the class name
         model = self.connection.model(class_name)
 
         if self.connection.session == None:
             return None
 
         # query for the ORM object, and return the appropriate object (None, CondDBFW object, or json_list)
         model_data = self.connection.session.query(model)
         if len(pkargs.items()) != 0:
             # apply the filters defined in **kwargs
             model_data = apply_filters(model_data, model, **pkargs)
             amount = pkargs["amount"] if "amount" in pkargs.keys() else None
             model_data = model_data.limit(amount)
             if model_data.count() > 1:
                 # if we have multiple objects, return a json_list
                 return json_list(model_data.all())
             elif model_data.count() == 1:
                 # if we have a single object, return that object
                 return model_data.first()
             else:
                 # if we have no objects returned, return None
                 return None
         else:
             # no column arguments were given, so return an empty object
             new_object = model()
             new_object.empty = True
             return new_object

querying.factory.object

def object

Definition: querying.py:303

models.apply_filters

def apply_filters

Definition: models.py:181

Public Member Functions

Public Attributes

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation