GBSModelRegistry.py

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from GBSLogger import Log, logger 

class GBSModelRegistry :
    """A registry for holding GBSModels"""

    def __init__(self):
        self.__registry = {}

    def AddModel(self,model) :
        Log(self,logger.SYNOPSIS,"Registering a GBSModel named '" + str(model.GetName()) + "'")
        self.__registry[model.GetName()] = model

    def GetModel(self,model) :
        if not  self.__registry.has_key(model):
            print "Cannot find model " + str(model) + " in GBSModelRegistry"
            raise NameError
        return self.__registry[model]

    def GetRegistry(self): return self.__registry

    def CreateObject(self,model,role,object_name,parent) :
        Log(self,logger.DEBUG,"GBSModelRegistry: Locating model '" + str(model) + "'")
        m = self.GetModel(model)
        Log(self,logger.DEBUG,"GBSModelRegistry: Model located, now creating object for role '" + str(role) + "'")
        return m.CreateObject(role,object_name,parent)
        

#  Singleton object with getter.

__modelRegistry = GBSModelRegistry()

def GetModelRegistry(): return __modelRegistry

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