/* -*- tab-width: 4 -*-
*
* Electric(tm) VLSI Design System
*
* File: BdRouter.java
*
* Copyright (c) 2003, Oracle and/or its affiliates. All rights reserved.
*
* Electric(tm) 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.
*
* Electric(tm) 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 Electric(tm); see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
* Boston, Mass 02111-1307, USA.
*/
package com.sun.electric.tool.generator.flag.router;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Comparator;
import java.util.Iterator;
import java.util.List;
import com.sun.electric.database.hierarchy.Cell;
import com.sun.electric.database.topology.NodeInst;
import com.sun.electric.tool.generator.layout.TechType;
/** Brain Dead router. Only do simple interconnections */
public class BdRoute {
private TechType tech;
private List<Channel> m2channels, m3channels;
private BdRoute(TechType tech) {this.tech=tech;}
/** List sorted in increasing Y */
private List<NodeInst> getStages(Cell layCell) {
List<NodeInst> stages = new ArrayList<NodeInst>();
for (Iterator nIt=layCell.getNodes(); nIt.hasNext();) {
NodeInst ni = (NodeInst) nIt.next();
if (ni.getProto() instanceof Cell) stages.add(ni);
}
// Sort in increasing Y
Collections.sort(stages, new Comparator<NodeInst>() {
public int compare(NodeInst n1, NodeInst n2) {
double delta = n1.getAnchorCenterY() -
n2.getAnchorCenterY();
return (int) Math.signum(delta);
}
});
return stages;
}
private void setUpChannels(Cell layCell) {
List<NodeInst> stages = getStages(layCell);
}
private void route1(Cell layCell, List<ToConnect> work) {
}
public static void route(Cell layCell, List<ToConnect> work, TechType tech) {
BdRoute br = new BdRoute(tech);
br.route1(layCell, work);
}
}