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 
17 package 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  */
27 public 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 
CompassPoint(String compassPt)42   CompassPoint(String compassPt) {
43     this.compassPt = compassPt;
44   }
45 
46   @Override
toString()47   public String toString() {
48     return compassPt;
49   }
50 }
51