de.rwth.utils
Class AbstractTreeIteratorTraversalActions

java.lang.Object
  |
  +--de.rwth.utils.AbstractTreeIteratorTraversalActions

All Implemented Interfaces:

TreeIteratorTraversal.Actions

public abstract class AbstractTreeIteratorTraversalActions

extends java.lang.Object

implements TreeIteratorTraversal.Actions

This class provides default implementations for the TreeIteratorTraversal.Actions interface. This class actually implements all methods, but does nothing.

Version:

$Id: AbstractTreeIteratorTraversalActions.java,v 1.2 2002/09/17 06:53:53 mohnen Exp $

Author:

Markus Mohnen

Constructor Summary

AbstractTreeIteratorTraversalActions()

Method Summary

void	atEntry(TreeIterator ti) Called once at the beginning of the traversal, before visiting the first entry in the tree.
void	atExit(TreeIterator ti) Called once at the end of the traversal, after visiting the last entry in the tree.
void	atLeaf(TreeIterator ti) Called once at each leaf entry, after calling atNext or atRight for this node.
void	atLeft(TreeIterator ti) Called always after executing left on the TreeIterator.
void	atNext(TreeIterator ti) Called always after executing next on the TreeIterator.
void	atPrevious(TreeIterator ti) Called always after executing previous on the TreeIterator.
void	atRight(TreeIterator ti) Called always after executing right on the TreeIterator.
void	atRoot(TreeIterator ti) Called once at the root entry, before calling atNext for this node.

Methods inherited from class java.lang.Object

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

Constructor Detail

AbstractTreeIteratorTraversalActions

public AbstractTreeIteratorTraversalActions()

Method Detail

atEntry

public void atEntry(TreeIterator ti)

Description copied from interface: TreeIteratorTraversal.Actions

Called once at the beginning of the traversal, before visiting the first entry in the tree.

Specified by:

atEntry in interface TreeIteratorTraversal.Actions

Following copied from interface: de.rwth.utils.TreeIteratorTraversal.Actions

Parameters:

ti - the TreeIterator being traversed, with 'ti.current()' returning the current entry

atExit

public void atExit(TreeIterator ti)

Description copied from interface: TreeIteratorTraversal.Actions

Called once at the end of the traversal, after visiting the last entry in the tree.

Specified by:

atExit in interface TreeIteratorTraversal.Actions

Following copied from interface: de.rwth.utils.TreeIteratorTraversal.Actions

Parameters:

ti - the TreeIterator being traversed, with 'ti.current()' returning the current entry

atRoot

public void atRoot(TreeIterator ti)

Description copied from interface: TreeIteratorTraversal.Actions

Called once at the root entry, before calling atNext for this node.

Specified by:

atRoot in interface TreeIteratorTraversal.Actions

Following copied from interface: de.rwth.utils.TreeIteratorTraversal.Actions

Parameters:

ti - the TreeIterator being traversed, with 'ti.current()' returning the current entry

atLeaf

public void atLeaf(TreeIterator ti)

Description copied from interface: TreeIteratorTraversal.Actions

Called once at each leaf entry, after calling atNext or atRight for this node.

Specified by:

atLeaf in interface TreeIteratorTraversal.Actions

Following copied from interface: de.rwth.utils.TreeIteratorTraversal.Actions

Parameters:

ti - the TreeIterator being traversed, with 'ti.current()' returning the current entry

atNext

public void atNext(TreeIterator ti)

Description copied from interface: TreeIteratorTraversal.Actions

Called always after executing next on the TreeIterator.

Specified by:

atNext in interface TreeIteratorTraversal.Actions

Following copied from interface: de.rwth.utils.TreeIteratorTraversal.Actions

Parameters:

ti - the TreeIterator being traversed, with 'ti.current()' returning the current entry

atPrevious

public void atPrevious(TreeIterator ti)

Description copied from interface: TreeIteratorTraversal.Actions

Called always after executing previous on the TreeIterator.

Specified by:

atPrevious in interface TreeIteratorTraversal.Actions

Following copied from interface: de.rwth.utils.TreeIteratorTraversal.Actions

Parameters:

ti - the TreeIterator being traversed, with 'ti.current()' returning the current entry

atLeft

public void atLeft(TreeIterator ti)

Description copied from interface: TreeIteratorTraversal.Actions

Called always after executing left on the TreeIterator.

Specified by:

atLeft in interface TreeIteratorTraversal.Actions

Following copied from interface: de.rwth.utils.TreeIteratorTraversal.Actions

Parameters:

ti - the TreeIterator being traversed, with 'ti.current()' returning the current entry

atRight

public void atRight(TreeIterator ti)

Description copied from interface: TreeIteratorTraversal.Actions

Called always after executing right on the TreeIterator.

Specified by:

atRight in interface TreeIteratorTraversal.Actions

Following copied from interface: de.rwth.utils.TreeIteratorTraversal.Actions

Parameters:

ti - the TreeIterator being traversed, with 'ti.current()' returning the current entry