116 lines
3.2 KiB
Java
116 lines
3.2 KiB
Java
//This file is part of SECONDO.
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//Copyright (C) 2004, University in Hagen, Department of Computer Science,
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//Database Systems for New Applications.
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//SECONDO is free software; you can redistribute it and/or modify
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//it under the terms of the GNU General Public License as published by
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//the Free Software Foundation; either version 2 of the License, or
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//(at your option) any later version.
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//SECONDO is distributed in the hope that it will be useful,
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//but WITHOUT ANY WARRANTY; without even the implied warranty of
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//MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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//GNU General Public License for more details.
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//You should have received a copy of the GNU General Public License
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//along with SECONDO; if not, write to the Free Software
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//Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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package viewer.hoese.algebras.network;
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import java.util.Vector;
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import sj.lang.ListExpr;
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import tools.Reporter;
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/**
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* A line defined via a network
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*
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* @author Martin Scheppokat
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*/
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public class GLine
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{
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/**
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* The Network this Line belongs to
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*/
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int m_iNetworkId;
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/**
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* The parts of this line. Each part is
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* one section on a route in the network.
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*/
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Vector m_xRouteIntervals;
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/**
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* Construktor. Builds a <code>GLine</code> from
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* a text in secondo list-format.
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*
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* @param in_xValue GLine in secondo's text-format
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* @throws NetworkNotAvailableException
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*/
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public GLine(ListExpr in_xValue)
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throws NetworkNotAvailableException
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{
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// Initialize members
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m_xRouteIntervals = new Vector();
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// Input correct?
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if(in_xValue.listLength() != 2)
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{
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Reporter.writeError("GLine: List length must be 2.");
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}
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// Split input into two parts
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ListExpr xNetworkIdList = in_xValue.first();
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ListExpr xRouteIntervalList = in_xValue.second();
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// Read out network-id
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if(!xNetworkIdList.isAtom() ||
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xNetworkIdList.atomType() != ListExpr.INT_ATOM)
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{
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Reporter.writeError("GLine: First part of the list must be an int atom.");
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}
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m_iNetworkId = xNetworkIdList.intValue();
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// Read routes from list
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if(xRouteIntervalList.isAtom())
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{
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Reporter.writeError("GLine: Second part of the list must not be an atom.");
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}
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while(!xRouteIntervalList.isEmpty()){
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ListExpr xCurrentRouteList = xRouteIntervalList.first();
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m_xRouteIntervals.add(new RouteInterval(m_iNetworkId ,
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xCurrentRouteList));
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xRouteIntervalList = xRouteIntervalList.rest();
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}
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// Check if the network is available. This will throw an exception
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// if it is not.
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NetworkManager.getInstance().getNetwork(m_iNetworkId);
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}
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/**
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* Get-Method for the parts of the route
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*
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* @param in_iIndex Index between 0 and <code>getRouteIntervalCount()</code>
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* @return One part of the route
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*/
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public RouteInterval getRouteIntervalAt(int in_iIndex)
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{
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RouteInterval xInterval = (RouteInterval)m_xRouteIntervals.get(in_iIndex);
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return xInterval;
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}
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/**
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* Returns the number of intervals this GLine has.
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*
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* @return The number of intervals
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*/
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public int getRouteIntervalCount()
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{
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return m_xRouteIntervals.size();
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}
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}
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