GuardedAction.java revision 608:7e06bf1dcb09
1/*
2 * Copyright (c) 2002, 2003, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.  Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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23 * questions.
24 */
25
26package com.sun.corba.se.impl.orbutil.fsm ;
27
28import com.sun.corba.se.spi.orbutil.fsm.Guard ;
29import com.sun.corba.se.spi.orbutil.fsm.GuardBase ;
30import com.sun.corba.se.spi.orbutil.fsm.Input ;
31import com.sun.corba.se.spi.orbutil.fsm.Action ;
32import com.sun.corba.se.spi.orbutil.fsm.State ;
33import com.sun.corba.se.spi.orbutil.fsm.FSM ;
34
35public class GuardedAction {
36    private static Guard trueGuard = new GuardBase( "true" ) {
37        public Guard.Result evaluate( FSM fsm, Input in )
38        {
39            return Guard.Result.ENABLED ;
40        }
41    } ;
42
43    private Guard guard ;
44    private Action action ;
45    private State nextState ;
46
47    public GuardedAction( Action action, State nextState )
48    {
49        this.guard = trueGuard ;
50        this.action = action ;
51        this.nextState = nextState ;
52    }
53
54    public GuardedAction( Guard guard, Action action, State nextState )
55    {
56        this.guard = guard ;
57        this.action = action ;
58        this.nextState = nextState ;
59    }
60
61    public String toString()
62    {
63        return "GuardedAction[action=" + action + " guard=" + guard +
64            " nextState=" + nextState + "]" ;
65    }
66
67    public Action getAction() { return action ; }
68    public Guard getGuard() { return guard ; }
69    public State getNextState() { return nextState ; }
70}
71