Package org.picocontainer.visitors
Class AbstractPicoVisitor
java.lang.Object
org.picocontainer.visitors.AbstractPicoVisitor
- All Implemented Interfaces:
PicoVisitor
- Direct Known Subclasses:
TraversalCheckingVisitor
Abstract PicoVisitor implementation. A generic traverse method is implemented, that
accepts any object with a method named "accept", that takes a
PicoVisitor
as argument and and invokes it. Additionally it provides the
checkTraversal()
method, that throws a AbstractPicoVisitor.PicoVisitorTraversalException
,
if currently no traversal is running.- Author:
- Jörg Schaible
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Nested Class Summary
Nested ClassesModifier and TypeClassDescriptionstatic class
Exception for a PicoVisitor, that is dependent on a defined starting point of the traversal. -
Field Summary
Fields inherited from interface org.picocontainer.PicoVisitor
ABORT_TRAVERSAL, CONTINUE_TRAVERSAL
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Constructor Summary
Constructors -
Method Summary
Modifier and TypeMethodDescriptionprotected void
Checks the traversal flag, indicating a currently running traversal of the visitor.Entry point for the PicoVisitor traversal.Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
Methods inherited from interface org.picocontainer.PicoVisitor
visitComponentAdapter, visitComponentFactory, visitContainer, visitParameter
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Constructor Details
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AbstractPicoVisitor
public AbstractPicoVisitor()
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Method Details
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traverse
Description copied from interface:PicoVisitor
Entry point for the PicoVisitor traversal. The given node is the first object, that is asked for acceptance. Only objects of typePicoContainer
,ComponentAdapter
, orParameter
are valid.- Specified by:
traverse
in interfacePicoVisitor
- Parameters:
node
- the start node of the traversal.- Returns:
- a visitor-specific value.
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checkTraversal
protected void checkTraversal()Checks the traversal flag, indicating a currently running traversal of the visitor.- Throws:
AbstractPicoVisitor.PicoVisitorTraversalException
- if no traversal is active.
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