/**
 * Copyright (C) 2008 Google Inc.
 *
 * 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.inject.grapher;

/**
 * Factory for aliasing one node ID to another. Used when we don't want to
 * render {@link Key}s from {@link Binding}s that are not interesting.
 * 
 * @author phopkins@gmail.com (Pete Hopkins)
 */
public interface NodeAliasFactory<K> {
  /**
   * Makes edges that would point to {@code fromId} point to
   * {@code toId} instead.
   */
  void newAlias(K fromId, K toId);
}