Package gavo :: Package rscdef :: Module group :: Class ColumnReference

Class ColumnReference

                   object --+                
                            |                
 base.structure.StructureBase --+            
                                |            
                   object --+   |            
                            |   |            
           base.common.Parser --+            
                                |            
base.structure.ParseableStructure --+        
                                    |        
             base.structure.Structure --+    
                                        |    
                           TypedReference --+
                                            |
                                           ColumnReference

A reference from a group to a column within a table.

ColumnReferences do not support qualified references, i.e., you can only give simple names.

Nested Classes
Inherited from `base.structure.StructureBase`: `__metaclass__`

Instance Methods

resolve(self, container)
tries to resolve the reference within container.

source code

Inherited from base.structure.Structure: __provides__, callCompletedCallbacks, completeElement, finishElement, onElementComplete, validate

Inherited from base.structure.ParseableStructure: __init__, end_, feed, feedFrom, feedObject, getAttribute, iterEvents, start_, value_

Inherited from base.structure.StructureBase: __providedBy__, adopt, breakCircles, change, copy, getAttributes, getCopyableAttributes, getSourcePosition, iterChildren, setPosition

Inherited from base.common.Parser: feedEvent

Inherited from object: __delattr__, __format__, __getattribute__, __hash__, __new__, __reduce__, __reduce_ex__, __repr__, __setattr__, __sizeof__, __str__, __subclasshook__

Class Methods
Inherited from `base.structure.StructureBase`: `fromStructure`

Class Variables

name_ = 'columnRef'
a sentinel for all kinds of undefined values.

Inherited from TypedReference: attrSeq, managedAttrs

Inherited from base.structure.Structure: __implemented__

Inherited from base.structure.StructureBase: completedCallbacks

Properties
Inherited from `object`: `__class__`

Method Details

resolve(self, container)

source code

tries to resolve the reference within container.

This must be overridden by derived classes.

Overrides: TypedReference.resolve: (inherited documentation)