DESY ACOP Beans Home

com.cosylab.util
Class TreeIterator<T,U>

java.lang.Object
  com.cosylab.util.TreeIterator<T,U>

All Implemented Interfaces:

java.util.Iterator<T>

public abstract class TreeIterator<T,U>
extends java.lang.Object
implements java.util.Iterator<T>

Iterator for tree-like structures.

Author:

Klemen Zagar, Cosylab

Nested Class Summary

static class

TreeIterator.Order

Constructor Summary

TreeIterator(U root, TreeIterator.Order order)
Construct a tree iterator over a nested iterator structure.

Method Summary

protected abstract java.util.Iterator<U>	getChildren(U obj)
protected abstract java.util.Iterator<T>	getIterator(U obj)
boolean	hasNext()
T	next()
void	remove()

Methods inherited from class java.lang.Object

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

Constructor Detail

TreeIterator

public TreeIterator(U root,
                    TreeIterator.Order order)

Construct a tree iterator over a nested iterator structure.

Parameters:

root - Iterator through root-level elements.

order - Order of iteration over children.

Method Detail

hasNext

public boolean hasNext()

Specified by:

hasNext in interface java.util.Iterator<T>

next

public T next()

Specified by:

next in interface java.util.Iterator<T>

remove

public void remove()

Specified by:

remove in interface java.util.Iterator<T>

getChildren

protected abstract java.util.Iterator<U> getChildren(U obj)

getIterator

protected abstract java.util.Iterator<T> getIterator(U obj)