pendingpollevent.java

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//
// This file is part of the OpenNMS(R) Application.
//
// OpenNMS(R) is Copyright (C) 2005 The OpenNMS Group, Inc.  All rights reserved.
// OpenNMS(R) is a derivative work, containing both original code, included code and modified
// code that was published under the GNU General Public License. Copyrights for modified 
// and included code are below.
//
// OpenNMS(R) is a registered trademark of The OpenNMS Group, Inc.
//
// Original code base Copyright (C) 1999-2001 Oculan Corp.  All rights reserved.
//
// This program 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 2 of the License, or
// (at your option) any later version.
//
// This program 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 this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
//
// For more information contact:
// OpenNMS Licensing       <[e-mail]>
//     http://www.opennms.org/
//     http://www.opennms.com/
//
package org.opennms.netmgt.poller.pollables;

import java.text.ParseException;
import java.util.Date;
import java.util.Iterator;
import java.util.LinkedList;
import java.util.List;

import org.opennms.core.utils.ThreadCategory;
import org.opennms.netmgt.EventConstants;
import org.opennms.netmgt.xml.event.Event;

/**
 * Represents a PendingPollEvent 
 *
 * @author brozow
 */
public class PendingPollEvent extends PollEvent {
    
    private Event m_event;
    private boolean m_pending = true;
    private List m_pendingOutages = new LinkedList();

    public PendingPollEvent(Event event) {
        m_event = event;
    }

    public Date getDate() {
        try {
            return EventConstants.parseToDate(m_event.getTime());
        } catch (ParseException e) {
            ThreadCategory.getInstance(getClass()).error("Unable to convert event time to date", e);
            return new Date();
        }
    }
    
    public int getEventId() {
        return m_event.getDbid();
    }
    
    public void addPending(Runnable r) {
        if (m_pending)
            m_pendingOutages.add(r);
        else
            r.run();
    }
    
    public Event getEvent() {
        return m_event;
    }
    
    public boolean isPending() {
        return m_pending;
    }

    public void complete(Event e) {
        m_pending = false;
    }
    
    public void processPending() {
        for (Iterator it = m_pendingOutages.iterator(); it.hasNext();) {
            Runnable r = (Runnable) it.next();
            r.run();
        }
        m_pendingOutages.clear();
        
    }
}