1/**
2 * Copyright (C) 2008 Google Inc.
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17package com.google.inject.grapher.graphviz;
18
19/**
20 * Enum for the "compass point" values used to control where edge
21 * end points appear on the graph.
22 * <p>
23 * See: http://www.graphviz.org/doc/info/attrs.html#k:portPos
24 *
25 * @author phopkins@gmail.com (Pete Hopkins)
26 */
27public enum CompassPoint {
28  NORTH("n"),
29  NORTH_EAST("ne"),
30  EAST("e"),
31  SOUTH_EAST("se"),
32  SOUTH("s"),
33  SOUTH_WEST("sw"),
34  WEST("w"),
35  NORTH_WEST("nw"),
36  CENTER("c"),
37  EXTERIOR_SIDE("_");
38
39  /** Graphviz "compass_pt" value. */
40  private final String compassPt;
41
42  CompassPoint(String compassPt) {
43    this.compassPt = compassPt;
44  }
45
46  @Override
47  public String toString() {
48    return compassPt;
49  }
50}
51