Example usage for org.springframework.statemachine.support.tree TreeTraverser postOrderTraversal

Introduction

In this page you can find the example usage for org.springframework.statemachine.support.tree TreeTraverser postOrderTraversal.

Prototype

public final Iterable<T> postOrderTraversal(final T root) 

Source Link

Usage

From source file:org.springframework.statemachine.recipes.tasks.TasksHandler.java

private static Iterator<Node<TaskWrapper>> buildTasksIterator(List<TaskWrapper> tasks) {
    Tree<TaskWrapper> tree = new Tree<TaskWrapper>();
    for (TaskWrapper wrapper : tasks) {
        tree.add(wrapper, wrapper.id, wrapper.parent);
    }/*from w  w  w  . j ava 2s.co m*/

    TreeTraverser<Node<TaskWrapper>> traverser = new TreeTraverser<Node<TaskWrapper>>() {
        @Override
        public Iterable<Node<TaskWrapper>> children(Node<TaskWrapper> root) {
            return root.getChildren();
        }
    };

    Iterable<Node<TaskWrapper>> postOrderTraversal = traverser.postOrderTraversal(tree.getRoot());
    Iterator<Node<TaskWrapper>> iterator = postOrderTraversal.iterator();
    return iterator;
}

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