/* * TeleStax, Open Source Cloud Communications Copyright 2012. * and individual contributors * by the @authors tag. See the copyright.txt in the distribution for a * full listing of individual contributors. * * This is free software; you can redistribute it and/or modify it * under the terms of the GNU Lesser General Public License as * published by the Free Software Foundation; either version 2.1 of * the License, or (at your option) any later version. * * This software is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this software; if not, write to the Free * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA * 02110-1301 USA, or see the FSF site: http://www.fsf.org. */ package org.mobicents.protocols.ss7.m3ua.impl.fsm; /** * * @author amit bhayani * @author kulikov * */ public class Transition { private String name; protected FSMState destination; private TransitionHandler handler; protected Transition(String name, FSMState destination) { this.name = name; this.destination = destination; } public String getName() { return name; } public void setHandler(TransitionHandler handler) { this.handler = handler; } protected FSMState process(FSMState state) { // leave current state state.leave(); // new Thread(this).start(); if (handler != null) { if (!handler.process(state)) { // If handler couldn't process this transition successfully, // return the old state. But this means the LeaveAction could // have been executed and we are ok with that. Also we call // cancelLeave on State so as to assign back the last timeout // value state.cancelLeave(); return state; } } // enter to the destination this.destination.enter(); return this.destination; } @Override public String toString() { return name; } }