com.sun.electric.database.topology.TailConnection Maven / Gradle / Ivy
/* -*- tab-width: 4 -*-
*
* Electric(tm) VLSI Design System
*
* File: TailConnection.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.database.topology;
import com.sun.electric.database.geometry.EPoint;
/**
* A TailConnection represents connection on the tail end of the ArcInstance.
*/
public class TailConnection extends Connection {
// ------------------------- private data --------------------------------
/**
* The constructor creates a new TailConnection of the given ArcInst.
* @param arc the ArcInst that makes a TailConnection.
*/
TailConnection(ArcInst arc) {
super(arc);
}
// --------------------------- public methods --------------------------
/**
* Method to return the PortInst on this TailConnection.
* @return the PortInst on this TailConnection.
*/
public PortInst getPortInst() {
return arc.tailPortInst;
}
/**
* Method to return the location on this TailConnection.
* @return the location on this TailConnection.
*/
public EPoint getLocation() {
return arc.d.tailLocation;
}
/**
* Method to tell whether this connection is arrowed.
* @return true if this connection is arrowed.
*/
public boolean isArrowed() {
return arc.isTailArrowed();
}
/**
* Method to set whether this connection is arrowed.
* @param state true to set that end of this arc to be arrowed.
*/
public void setArrowed(boolean state) {
arc.setTailArrowed(state);
}
/**
* Method to tell whether this connection is extended.
* @return true if this connection is negated.
*/
public boolean isExtended() {
return arc.isTailExtended();
}
/**
* Method to set whether this connection is extended.
* @param e true to set that end of this arc to be extended.
*/
public void setExtended(boolean e) {
arc.setTailExtended(e);
}
/**
* Method to tell whether this connection is negated.
* @return true if this connection is negated.
*/
public boolean isNegated() {
return arc.isTailNegated();
}
/**
* Method to set whether this connection is negated.
* @param negated true if this connection is negated.
*/
public void setNegated(boolean negated) {
arc.setTailNegated(negated);
}
/**
* Method to determine the index of this TailConnection on its ArcInst.
* @return TAILEND.
*/
public int getEndIndex() {
return ArcInst.TAILEND;
}
/**
* Returns a printable version of this TailConnection.
* @return a printable version of this TailConnection.
*/
public String toString() {
return "TailConnection " + arc.describe(true);
}
}