bazaar.cache.LazyAssociation

Package bazaar :: Module cache :: Class LazyAssociation

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Type LazyAssociation

   object --+        
            |        
        Cache --+    
                |    
             Lazy --+
                    |
     UserDict --+   |
                |   |
WeakKeyDictionary --+
                    |
                   LazyAssociation

Cache for lazy loading of association data from database.

Method Summary
	`__init__(self, owner)` Create object lazy cache.
	`load(self, obj)` Load association data from database for application object `obj`.
Inherited from Lazy
	`__getitem__(self, param)` Return referenced object or association data.
Inherited from object
	`__delattr__(...)` x.__delattr__('name') <==> del x.name
	`__getattribute__(...)` x.__getattribute__('name') <==> x.name
	`__hash__(x)` x.__hash__() <==> hash(x)
	`__new__(T, S, ...)` T.__new__(S, ...) -> a new object with type S, a subtype of T
	`__reduce__(...)` helper for pickle
	`__reduce_ex__(...)` helper for pickle
	`__repr__(x)` x.__repr__() <==> repr(x)
	`__setattr__(...)` x.__setattr__('name', value) <==> x.name = value
	`__str__(x)` x.__str__() <==> str(x)
Inherited from WeakKeyDictionary
	`__contains__(self, key)`
	`__delitem__(self, key)`
	`__iter__(self)`
	`__setitem__(self, key, value)`
	`copy(self)`
	`get(self, key, default)`
	`has_key(self, key)`
	`items(self)`
	`iteritems(self)`
	`iterkeys(self)`
	`itervalues(self)`
	`keys(self)`
	`pop(self, key, *args)`
	`popitem(self)`
	`setdefault(self, key, default)`
	`update(self, dict, **kwargs)`
Inherited from UserDict
	`__cmp__(self, dict)`
	`__len__(self)`
	`clear(self)`
	`fromkeys(cls, iterable, value)` (Class method)
	`values(self)`

Instance Variable Summary
Inherited from Lazy
	`dicttype`: Weak dictionary superclass, i.e.
Inherited from Cache
	`owner`: Owner of the cache - object broker or association object.

Instance Method Details

init(self, owner)
(Constructor)

Create object lazy cache.

Parameters:: owner - Owner of the cache - object broker or association object.

Overrides:: bazaar.cache.Cache.__init__

load(self, obj)

Load association data from database for application object obj.

Parameters:: obj - Application object.

Returns:: Loaded association data from database.

Overrides:: bazaar.cache.Cache.load

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Type LazyAssociation

__init__(self, owner) (Constructor)

load(self, obj)

init(self, owner)
(Constructor)