/*
 * 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;

import javolution.util.FastList;

import org.apache.log4j.Logger;
import org.mobicents.protocols.ss7.m3ua.Asp;
import org.mobicents.protocols.ss7.m3ua.impl.fsm.FSM;
import org.mobicents.protocols.ss7.m3ua.impl.fsm.FSMState;
import org.mobicents.protocols.ss7.m3ua.impl.fsm.UnknownTransitionException;

/**
 * @author amit bhayani
 *
 */
public class SEHPeerAsStateEnterPen extends SEHAsStateEnterPen {

    private static final Logger logger = Logger.getLogger(SEHPeerAsStateEnterPen.class);

    /**
     * @param asImpl
     * @param fsm
     */
    public SEHPeerAsStateEnterPen(AsImpl asImpl, FSM fsm) {
        super(asImpl, fsm);
    }

    @Override
    public void onEvent(FSMState state) {
        super.onEvent(state);

        // If there is even one ASP in INACTIVE state for this AS, ACTIVATE it
        for (FastList.Node<Asp> n = asImpl.appServerProcs.head(), end = asImpl.appServerProcs.tail(); (n = n.getNext()) != end;) {
            AspImpl aspImpl = (AspImpl) n.getValue();

            FSM aspLocalFSM = aspImpl.getLocalFSM();

            if (AspState.getState(aspLocalFSM.getState().getName()) == AspState.INACTIVE) {
                AspFactoryImpl aspFactoryImpl = aspImpl.getAspFactory();
                aspFactoryImpl.sendAspActive(this.asImpl);

                // Transition the state of ASP to ACTIVE_SENT
                try {
                    aspLocalFSM.signal(TransitionState.ASP_ACTIVE_SENT);
                } catch (UnknownTransitionException e) {
                    logger.error(e.getMessage(), e);
                }
            }
        }
    }

}