/**
* Copyright 2010 Neuroph Project http://neuroph.sourceforge.net
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.neuroph.nnet.comp;
import org.neuroph.core.Connection;
import org.neuroph.core.Neuron;
/**
* Represents the connection between neurons which can delay signal.
*
* @author Zoran Sevarac <sevarac@gmail.com>
*/
public class DelayedConnection extends Connection {
/**
* The class fingerprint that is set to indicate serialization
* compatibility with a previous version of the class.
*/
private static final long serialVersionUID = 1L;
/**
* Delay factor for this conection
*/
private int delay = 0;
/**
* Creates an instance of delayed connection to cpecified neuron and
* with specified weight
* @param connectTo neuron to connect ti
* @param weightVal weight value for the connection
* @param delay delay for the connection
*/
public DelayedConnection(Neuron fromNeuron, Neuron toNeuron, double weightVal, int delay) {
super(fromNeuron, toNeuron, weightVal);
this.delay = delay;
}
/**
* Returns delay value for this connection
* @return delay value for this connection
*/
public int getDelay() {
return this.delay;
}
/**
* Sets delay value for this connection
* @param delay value for this connection
*/
public void setDelay(int delay) {
this.delay = delay;
}
/**
* Gets delayed input through this connection
* @return delayed output from connected neuron
*/
@Override
public double getInput() {
if (this.fromNeuron instanceof DelayedNeuron)
return ((DelayedNeuron) this.fromNeuron).getOutput(delay);
else
return this.fromNeuron.getOutput();
}
}