basicnetwork.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.outage;

import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Timestamp;
import java.text.ParseException;
import java.util.Date;

import org.opennms.core.utils.ThreadCategory;
import org.opennms.netmgt.EventConstants;

/**
 * Represents a Network, that is a collection of Nodes, Interfaces, and Service
 * @author brozow
 */
public class BasicNetwork {

    String m_sqlToGenerateOutageIds;
    /**
     * @param getNextOutageID
     */
    public BasicNetwork(String sqlToGenerateOutageIds) {
        m_sqlToGenerateOutageIds = sqlToGenerateOutageIds;
    }

    /**
     * @param nodeID
     * @return
     */
    BasicNode getNode(long nodeID) {
        return new BasicNode(this, nodeID);
    }

    /**
     * @param nodeID
     * @param ipAddr
     * @return
     */
    BasicInterface getInterface(long nodeID, String ipAddr) {
        return new BasicInterface(getNode(nodeID), ipAddr);
    }

    /**
     * @param nodeID
     * @param ipAddr
     * @param serviceID
     * @return
     */
    BasicService getService(long nodeID, String ipAddr, long serviceID) {
        return new BasicService(getInterface(nodeID, ipAddr), serviceID);
    }

    /**
     * @param iface
     * @param serviceID
     * @return
     */
    public BasicService getService(BasicInterface iface, long serviceID) {
        return new BasicService(iface, serviceID);
    }

    /**
     * @param dbConn
     * @param writer
     * @return
     * @throws SQLException
     */
    public long getNextOutageId(Connection dbConn) throws SQLException {
        long outageID = -1;
    
        PreparedStatement getNextOutageIdStmt = dbConn.prepareStatement(m_sqlToGenerateOutageIds);
    
        // Execute the statement to get the next outage id from the
        // sequence
        //
        ResultSet seqRS = getNextOutageIdStmt.executeQuery();
        if (seqRS.next()) {
            outageID = seqRS.getLong(1);
        }
        seqRS.close();
        return outageID;
    }

    /**
     * Convert event time into timestamp
     */
    public static Timestamp convertEventTimeIntoTimestamp(String eventTime) {
        Timestamp timestamp = null;
        try {
            Date date = EventConstants.parseToDate(eventTime);
            timestamp = new Timestamp(date.getTime());
        } catch (ParseException e) {
            ThreadCategory.getInstance(BasicNetwork.class).warn("Failed to convert event time " + eventTime + " to timestamp.", e);
    
            timestamp = new Timestamp((new Date()).getTime());
        }
        return timestamp;
    }

    

}