01 
02 /*
03  *  JScripter Simulation 1.0 - For Java To Script
04  *  Copyright (C) 2008-2011  J.J.Liu<jianjunliu@126.com> <http://www.jscripter.org>
05  *  
06  *  This program is free software: you can redistribute it and/or modify
07  *  it under the terms of the GNU Affero General Public License as published by
08  *  the Free Software Foundation, either version 3 of the License, or
09  *  (at your option) any later version.
10  *  
11  *  This program is distributed in the hope that it will be useful,
12  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
13  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14  *  GNU Affero General Public License for more details.
15  *  
16  *  You should have received a copy of the GNU Affero General Public License
17  *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
18  */
19 
20 package org.jscripter.sim;
21 
22 import java.util.HashMap;
23 import js.Cases;
24 
25 final class SimCases extends HashMap<Object, Integer> implements Cases
26 {
27     private static final long serialVersionUID = 1L;
28     private int next = 0;
29 
30     //@Override
31     public Cases add(Object key) {
32         put(key, next++);
33         return this;
34     }
35 
36     //@Override
37     public int indexOf(Object key) {
38         Integer fid = get(key);
39         return fid == null ? -1 : fid;
40     }
41 }