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TSL2 Framework VirtualNetwork (Generic parallelized Network-Mechanism providing implementations for: NeuronalNetwork, Routing, Workflow)

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/*
 * File: $HeadURL$
 * Id  : $Id$
 * 
 * created by: ts
 * created on: 11.11.2012
 * 
 * Copyright: (c) Thomas Schneider 2012, all rights reserved
 */
package de.tsl2.nano.vnet.neuron;

import java.io.Serializable;

import de.tsl2.nano.core.messaging.IListener;
import de.tsl2.nano.core.util.NumberUtil;
import de.tsl2.nano.vnet.ILocatable;
import de.tsl2.nano.vnet.Notification;

/**
 * Technical extension of {@link Neuron} to fulfill the preconditions of a node core in vnet.
 * 
 * @author ts
 * @version $Revision$
 */
public class VNeuron extends Neuron implements
        IListener,
        ILocatable,
        Serializable,
        Comparable {

    /** serialVersionUID */
    private static final long serialVersionUID = 7844715887456324364L;

    public VNeuron(String kernel, Layer layer) {
        super(kernel, layer);
    }

    @Override
    public void handleEvent(Notification event) {
    	float signal= 0f;
    	Object note = event.getNotification();
    	int output = 0;
    	//there are notifications from Net or from neighbour nodes
    	if (event.getPath() != null && event.getPath().startsWith(this.getKernel())) { //from Net
    		signal = 1f;
    		output = feedSignal(signal); //the input will not be added to the response
    	} else if (NumberUtil.isNumber(note)) { //from neighbour
    		signal = note instanceof Float ? (float)note : NumberUtil.extractNumber(note.toString()).floatValue();
    		output = feedSignal(signal);
    	}
        if (output == Neuron.FIRE) {
            event.addResponse(getPath(), getPath());
        }
    }

    @Override
    int fire(boolean withOutput) {
    	int result = super.fire(withOutput);
        l.notifyNeighbours(this, 1);
    	return result;
    }
    @Override
    public String getPath() {
        return getKernel();
    }

    @Override
    public int compareTo(VNeuron o) {
        return getPath().compareTo(o.getPath());
    }
}