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Open-source runtime system for component-based implementation of automation solutions with Java

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/**
 * PROJECT   : Elbfisch - java process automation controller (jPac)
 * MODULE    : NoAlarmsPending.java
 * VERSION   : -
 * DATE      : -
 * PURPOSE   : 
 * AUTHOR    : Bernd Schuster, MSK Gesellschaft fuer Automatisierung mbH, Schenefeld
 * REMARKS   : -
 * CHANGES   : CH#n   
 *
 * This file is part of the jPac process automation controller.
 * jPac is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * jPac 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with the jPac If not, see .
 */

package org.jpac.alarm;

import org.jpac.ProcessEvent;
import org.jpac.ProcessException;

/**
 *
 * @author berndschuster
 * will be fired, if there are no alarms of this severity pending
 */
public class NoAlarmsPending extends ProcessEvent{
    private Alarm.Severity severity; 
    
    /**
     * constructor
     * @param severity: severity supervised by this event. 
     */
    public NoAlarmsPending(Alarm.Severity severity){
        super();
        this.severity = severity;
    }
    
    @Override
    public boolean fire() throws ProcessException {
        return !AlarmQueue.getInstance().isAtLeastOneAlarmPending(severity);
    }

}