Visitor

All Known Subinterfaces:

LayersVisitor

All Known Implementing Classes:

SelectedEnvelopeVisitor, SelectedZoomVisitor
```
public interface Visitor
```
Interface for objects which are able to visit a Visitable object.

- Method Summary
  
  Methods
  Modifier and Type Method and Description
  
  void visit(java.lang.Object obj)
  Visits one of the objects provided by a Visitable.

- Method Detail
  - visit
```
void visit(java.lang.Object obj)
           throws VisitCanceledException,
                  BaseException
```
    Visits one of the objects provided by a Visitable.
    
    Parameters:
    obj - the object to perform the action with
    
    Throws:
    
    VisitCanceledException - thrown if the visit ha to be cancelled by the Visitable
    
    BaseException - if there is an error performing the visit