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Link Intersystems Commons Graph (lis-commons-graph) is a collection of reusable software components that provide support for graph and tree related programming tasks, such as models and search algorithms.

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package com.link_intersystems.graph.tree;

import java.util.Iterator;

import static java.util.Objects.requireNonNull;

/**
 * @author René Link {@literal }
 */
public abstract class AbstractTreeModelIterable implements Iterable {
    protected TreeModel treeModel;
    protected T rootElement;

    public AbstractTreeModelIterable(TreeModel treeModel, T rootElement) {
        this.treeModel = requireNonNull(treeModel);
        this.rootElement = requireNonNull(rootElement);
    }

    @Override
    public Iterator iterator() {
        return createIterator(treeModel, rootElement);
    }

    protected abstract Iterator createIterator(TreeModel treeModel, T rootElement);
}