com.aoindustries.util.tree

Interface Tree<E>

All Known Implementing Classes:

TreeCopy

public interface Tree<E>

An abstract structure for trees. Each tree may have multiple roots.

Author:

AO Industries, Inc.

Method Summary

Modifier and Type	Method and Description
List<Node<E>>	getRootNodes() Gets the list of root nodes.

Method Detail

getRootNodes

List<Node<E>> getRootNodes()
                    throws IOException,
                           SQLException

Gets the list of root nodes. Each root node should have a null parent. If there are no roots, should return an empty list, not null.

Throws:

IOException

SQLException