package org.litesoft.core.hierarchicaldata;

public interface HierarchicalDataSource
{
    public interface Node extends AttributesNameValueAccessor
    {
        String getName();

        Node getNextChild();

        void assertNoMoreChildren();

        void assertNoMoreChildren( Node pPossiblePrefetchedChild );
    }

    /**
     * getRootNode may only be called once!
     *
     * @return !null - No root will throw an exception
     */
    Node getRootNode();
}