108 lines
4 KiB
Java
108 lines
4 KiB
Java
/*
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* Copyright (c) 2006, Swedish Institute of Computer Science.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the Institute nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $Id: Positioner.java,v 1.3 2009/02/18 13:55:01 fros4943 Exp $
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*/
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package se.sics.cooja;
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import java.lang.reflect.Constructor;
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import java.lang.reflect.InvocationTargetException;
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import org.apache.log4j.Logger;
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/**
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* A positioner is used for determining initial positions of motes.
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*
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* @author Fredrik Osterlind
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*/
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public abstract class Positioner {
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private static Logger logger = Logger.getLogger(Positioner.class);
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/**
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* This method creates an instance of the given class with the given interval
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* information as constructor arguments. Instead of calling the constructors
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* directly this method may be used.
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*
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* @param positionerClass
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* Positioner class
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* @param totalNumberOfMotes
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* Total number of motes that should be generated using this
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* positioner
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* @param startX
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* Lowest X value of positions generated using returned positioner
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* @param endX
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* Highest X value of positions generated using returned positioner
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* @param startY
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* Lowest Y value of positions generated using returned positioner
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* @param endY
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* Highest Y value of positions generated using returned positioner
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* @param startZ
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* Lowest Z value of positions generated using returned positioner
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* @param endZ
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* Highest Z value of positions generated using returned positioner
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* @return Postioner instance
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*/
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public static final Positioner generateInterface(
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Class<? extends Positioner> positionerClass, int totalNumberOfMotes,
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double startX, double endX,
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double startY, double endY,
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double startZ, double endZ) {
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try {
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Constructor<? extends Positioner> constr =
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positionerClass.getConstructor(new Class[] {
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int.class,
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double.class, double.class,
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double.class, double.class,
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double.class, double.class
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});
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return constr.newInstance(new Object[] {
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totalNumberOfMotes,
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startX, endX,
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startY, endY,
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startZ, endZ
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});
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} catch (Exception e) {
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if (e instanceof InvocationTargetException) {
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logger.fatal("Exception when creating " + positionerClass + ": " + e.getCause());
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} else {
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logger.fatal("Exception when creating " + positionerClass + ": " + e.getMessage());
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}
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return null;
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}
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}
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/**
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* Returns the next mote position.
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*
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* @return Position
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*/
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public abstract double[] getNextPosition();
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}
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