org.picocontainer.visitors
Class VerifyingVisitor

java.lang.Object
  org.picocontainer.visitors.AbstractPicoVisitor
      org.picocontainer.visitors.TraversalCheckingVisitor
          org.picocontainer.visitors.VerifyingVisitor

All Implemented Interfaces:

PicoVisitor

public class VerifyingVisitor
extends TraversalCheckingVisitor

Visitor to verify PicoContainer instances. The visitor walks down the logical container hierarchy.

Author:

Jörg Schaible

Nested Class Summary

Nested classes/interfaces inherited from class org.picocontainer.visitors.AbstractPicoVisitor

AbstractPicoVisitor.PicoVisitorTraversalException

Field Summary

Fields inherited from interface org.picocontainer.PicoVisitor

ABORT_TRAVERSAL, CONTINUE_TRAVERSAL

Constructor Summary

VerifyingVisitor()
Construct a VerifyingVisitor.

Method Summary

Object	traverse(Object node) Traverse through all components of the PicoContainer hierarchy and verify the components.
void	visitComponentAdapter(ComponentAdapter<?> componentAdapter) Visit a ComponentAdapter that has to accept the visitor.
void	visitComponentFactory(ComponentFactory componentFactory) Visit a ComponentAdapter that has to accept the visitor.
boolean	visitContainer(PicoContainer pico) Visit a PicoContainer that has to accept the visitor.

Methods inherited from class org.picocontainer.visitors.TraversalCheckingVisitor

visitParameter

Methods inherited from class org.picocontainer.visitors.AbstractPicoVisitor

checkTraversal

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

VerifyingVisitor

public VerifyingVisitor()

Construct a VerifyingVisitor.

Method Detail

traverse

public Object traverse(Object node)
                throws PicoVerificationException

Traverse through all components of the PicoContainer hierarchy and verify the components.

Specified by:

traverse in interface PicoVisitor

Overrides:

traverse in class AbstractPicoVisitor

Parameters:

node - the start node of the traversal.

Returns:

a visitor-specific value.

Throws:

PicoVerificationException - if some components could not be verified.

See Also:

PicoVisitor.traverse(java.lang.Object)

visitContainer

public boolean visitContainer(PicoContainer pico)

Description copied from class: TraversalCheckingVisitor

Visit a PicoContainer that has to accept the visitor.

Specified by:

visitContainer in interface PicoVisitor

Overrides:

visitContainer in class TraversalCheckingVisitor

Parameters:

pico - the visited container.

Returns:

CONTINUE_TRAVERSAL if the traversal should continue. Any visitor callback that returns ABORT_TRAVERSAL indicates the desire to abort any further traversal.

visitComponentAdapter

public void visitComponentAdapter(ComponentAdapter<?> componentAdapter)

Description copied from class: TraversalCheckingVisitor

Visit a ComponentAdapter that has to accept the visitor.

Specified by:

visitComponentAdapter in interface PicoVisitor

Overrides:

visitComponentAdapter in class TraversalCheckingVisitor

Parameters:

componentAdapter - the visited ComponentAdapter.

visitComponentFactory

public void visitComponentFactory(ComponentFactory componentFactory)

Description copied from class: TraversalCheckingVisitor

Visit a ComponentAdapter that has to accept the visitor.

Specified by:

visitComponentFactory in interface PicoVisitor

Overrides:

visitComponentFactory in class TraversalCheckingVisitor