Class DataSource.Function
                        
                           - extends DataSource.Local
                        
                    
                    
                    
                
  
                    
                        Function subclass for the DataSource Utility.
                    
                        
                    
                    
                        
                            Properties
                            
                                    
                                    NAME
                                        - static final String
                                    
                                    
     
                                        
                                    
                                     
                             
                         
                        
                        
                        
                            Properties inherited from Base:
                            
                         
                        
                         
                     
                    
                        
                            Methods
                            
                                    
                                    
                                    
                                        
                                         protected 
                                        
                                        
                                        void
                                            _defRequestFn
                                           (
                                                
                                                        
                                                         e
                                                    
                                                
                                            )
                                        
                                        
                                        
                                            Passes query string to IO. Fires response event when
response is received asynchronously.
                                        
                                        
                                                
                                                    - Parameters:
- 
                                                        e
                                                        <Event.Facade>
                                                        Event Facade with the following properties:
- tId (Number)
- Unique transaction ID.
- request (Object)
- The request.
- callback (Object)
- The callback object with the following properties:
- success (Function)
- Success handler.
- failure (Function)
- Failure handler.
 
- cfg (Object)
- Configuration object.
 
 
                                     
                                    
                                     
                             
                         
                                            
                            
                                Methods inherited from EventTarget:
                                
                                    
                                                                                    
                                            _getType,
                                            
                                                                                    
                                            _parseType,
                                            
                                                                                    
                                            addTarget,
                                            
                                                                                    
                                            after,
                                            
                                                                                    
                                            before,
                                            
                                                                                    
                                            bubble,
                                            
                                                                                    
                                            detach,
                                            
                                                                                    
                                            detachAll,
                                            
                                                                                    
                                            fire,
                                            
                                                                                    
                                            getEvent,
                                            
                                                                                    
                                            on,
                                            
                                                                                    
                                            publish,
                                            
                                                                                    
                                            removeTarget,
                                            
                                                                                    
                                            subscribe,
                                            
                                                                                    
                                            unsubscribe,
                                            
                                                                                    
                                            unsubscribeAll
                                            
                                    
                                 
                             
                            
                                Methods inherited from Attribute:
                                
                                    
                                                                                    
                                            _addAttrs,
                                            
                                                                                    
                                            _addLazyAttr,
                                            
                                                                                    
                                            _defAttrChangeFn,
                                            
                                                                                    
                                            _fireAttrChange,
                                            
                                                                                    
                                            _getAttr,
                                            
                                                                                    
                                            _getAttrInitVal,
                                            
                                                                                    
                                            _getAttrs,
                                            
                                                                                    
                                            _getStateVal,
                                            
                                                                                    
                                            _isLazyAttr,
                                            
                                                                                    
                                            _normAttrVals,
                                            
                                                                                    
                                            _protectAttrs,
                                            
                                                                                    
                                            _set,
                                            
                                                                                    
                                            _setAttr,
                                            
                                                                                    
                                            _setAttrs,
                                            
                                                                                    
                                            _setAttrVal,
                                            
                                                                                    
                                            _setStateVal,
                                            
                                                                                    
                                            addAttr,
                                            
                                                                                    
                                            addAttrs,
                                            
                                                                                    
                                            attrAdded,
                                            
                                                                                    
                                            get,
                                            
                                                                                    
                                            getAttrs,
                                            
                                                                                    
                                            modifyAttr,
                                            
                                                                                    
                                            removeAttr,
                                            
                                                                                    
                                            reset,
                                            
                                                                                    
                                            set,
                                            
                                                                                    
                                            setAttrs
                                            
                                    
                                 
                             
                            
                                Methods inherited from Base:
                                
                                    
                                                                                    
                                            _aggregateAttrs,
                                            
                                                                                    
                                            _defDestroyFn,
                                            
                                                                                    
                                            _defInitFn,
                                            
                                                                                    
                                            _destroyHierarchy,
                                            
                                                                                    
                                            _filterAttrCfs,
                                            
                                                                                    
                                            _getAttrCfgs,
                                            
                                                                                    
                                            _getClasses,
                                            
                                                                                    
                                            _initHierarchy,
                                            
                                                                                    
                                            _initHierarchyData,
                                            
                                                                                    
                                            destroy,
                                            
                                                                                    
                                            init,
                                            
                                                                                    
                                            toString
                                            
                                    
                                 
                             
                            
                         
                     
                    
                        
                            Events
                            
                                    
                                    
                                    
                                        
                                        
                                        
                                        
                                            sourceChange
                                            (
                                                
                                                        
                                                         event
                                                    
                                                
                                            )
                                        
                                        
                                        
                                            Fires when the value for the configuration attribute 'source' is changed. You can listen for the event using the 
on method if you wish to be notified before the attribute's value has changed, or using the 
after method if you wish to be notified after the attribute's value has changed.
                                        
                                                
                                                    - Parameters:
- 
                                                            event
                                                                <Event.Facade>
                                                            An Event Facade object with      the following attribute specific properties added:		- prevVal
- The value of the attribute, prior to it being set
- newVal
- The value the attribute is to be set to
- attrName
- The name of the attribute being set
- subAttrName
- If setting a property within the attribute's value,           the name of the sub-attribute property being set
 
 
                                     
                                    
                                     
                             
                         
                                            
                        
                            Events inherited from Base:
                            
                         
                        
                         
                     
                    
                        
                                            
                        
                            Configuration attributes inherited from Base: