/*
Copyright 2011-2016 Google Inc. All Rights Reserved.

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

    http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package com.google.security.zynamics.zylib.gui.zygraph.helpers;


/**
 * Graphs that implement this interface unlock {@link GraphHelpers} functions that require the
 * ability to iterate over visible nodes.
 * 
 * @param <NodeType> The type of the nodes in the graph.
 */
public interface IViewableGraph<NodeType> {
  public void iterateInvisible(final INodeCallback<NodeType> callback);

  /**
   * Iterates over all visible nodes in the graph.
   * 
   * @param callback Callback object that is called once for each visible node in the graph.
   */
  public void iterateVisible(final INodeCallback<NodeType> callback);
}