nes-proj/tools/cooja/java/se/sics/cooja/Positioner.java
2007-01-10 14:57:42 +00:00

94 lines
3.7 KiB
Java

/*
* Copyright (c) 2006, Swedish Institute of Computer Science.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the Institute nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $Id: Positioner.java,v 1.2 2007/01/10 14:57:42 fros4943 Exp $
*/
package se.sics.cooja;
import java.lang.reflect.Constructor;
import org.apache.log4j.Logger;
/**
* A positioner is used for determining positions of newly created motes.
*
* @author Fredrik Osterlind
*/
public abstract class Positioner {
private static Logger logger = Logger.getLogger(Positioner.class);
/**
* This method creates an instance of the given class with the given interval
* information as constructor arguments. Instead of calling the constructors
* directly this method may be used.
*
* @param positionerClass
* Positioner class
* @param totalNumberOfMotes
* Total number of motes that should be generated using this
* positioner
* @param startX
* Lowest X value of positions generated using returned positioner
* @param endX
* Highest X value of positions generated using returned positioner
* @param startY
* Lowest Y value of positions generated using returned positioner
* @param endY
* Highest Y value of positions generated using returned positioner
* @param startZ
* Lowest Z value of positions generated using returned positioner
* @param endZ
* Highest Z value of positions generated using returned positioner
* @return Postioner instance
*/
public static final Positioner generateInterface(
Class<? extends Positioner> positionerClass, int totalNumberOfMotes,
double startX, double endX, double startY, double endY, double startZ,
double endZ) {
try {
// Generating positioner
Constructor constr = positionerClass.getConstructor(new Class[] {
int.class, double.class, double.class, double.class, double.class,
double.class, double.class });
return (Positioner) constr.newInstance(new Object[] { totalNumberOfMotes,
startX, endX, startY, endY, startZ, endZ });
} catch (Exception e) {
logger.fatal("Exception when creating " + positionerClass + ": " + e);
return null;
}
}
/**
* Returns the next mote position.
*
* @return Position
*/
public abstract double[] getNextPosition();
}