/*******************************************************************************
 * This file is part of logisim-evolution.
 *
 *   logisim-evolution 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.
 *
 *   logisim-evolution 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 logisim-evolution.  If not, see <http://www.gnu.org/licenses/>.
 *
 *   Original code by Carl Burch (http://www.cburch.com), 2011.
 *   Subsequent modifications by :
 *     + Haute École Spécialisée Bernoise
 *       http://www.bfh.ch
 *     + Haute École du paysage, d'ingénierie et d'architecture de Genève
 *       http://hepia.hesge.ch/
 *     + Haute École d'Ingénierie et de Gestion du Canton de Vaud
 *       http://www.heig-vd.ch/
 *   The project is currently maintained by :
 *     + REDS Institute - HEIG-VD
 *       Yverdon-les-Bains, Switzerland
 *       http://reds.heig-vd.ch
 *******************************************************************************/

package com.cburch.logisim.tools.move;

import java.util.List;

import com.cburch.logisim.circuit.Wire;
import com.cburch.logisim.data.Direction;
import com.cburch.logisim.data.Location;

class ConnectionData {
	private Location loc;

	private Direction dir;

	/**
	 * The list of wires leading up to this point - we may well want to truncate
	 * this path somewhat.
	 */
	private List<Wire> wirePath;

	private Location wirePathStart;

	public ConnectionData(Location loc, Direction dir, List<Wire> wirePath,
			Location wirePathStart) {
		this.loc = loc;
		this.dir = dir;
		this.wirePath = wirePath;
		this.wirePathStart = wirePathStart;
	}

	@Override
	public boolean equals(Object other) {
		if (other instanceof ConnectionData) {
			ConnectionData o = (ConnectionData) other;
			return this.loc.equals(o.loc) && this.dir.equals(o.dir);
		} else {
			return false;
		}
	}

	public Direction getDirection() {
		return dir;
	}

	public Location getLocation() {
		return loc;
	}

	public List<Wire> getWirePath() {
		return wirePath;
	}

	public Location getWirePathStart() {
		return wirePathStart;
	}

	@Override
	public int hashCode() {
		return loc.hashCode() * 31 + (dir == null ? 0 : dir.hashCode());
	}
}