/*
* Encog(tm) Core v3.4 - Java Version
* http://www.heatonresearch.com/encog/
* https://github.com/encog/encog-java-core
* Copyright 2008-2016 Heaton Research, Inc.
*
* 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.
*
* For more information on Heaton Research copyrights, licenses
* and trademarks visit:
* http://www.heatonresearch.com/copyright
*/
package org.encog.ml.graph;
import java.util.ArrayList;
import java.util.List;
import org.encog.EncogError;
public class BasicNode {
private final List<BasicEdge> connections = new ArrayList<BasicEdge>();
private final List<BasicEdge> backConnections = new ArrayList<BasicEdge>();
private final String label;
public BasicNode(String label) {
super();
this.label = label;
}
public List<BasicEdge> getConnections() {
return connections;
}
public String getLabel() {
return label;
}
public void connect(BasicNode newNode,double cost) {
BasicEdge edge;
this.connections.add(edge = new BasicEdge(this,newNode,cost));
newNode.getBackConnections().add(edge);
}
/**
* @return the backConnections
*/
public List<BasicEdge> getBackConnections() {
return backConnections;
}
public String toString() {
StringBuilder result = new StringBuilder();
result.append("[BasicNode: ");
result.append(this.label);
result.append("]");
return result.toString();
}
public double getCost(BasicNode node) {
for(BasicEdge edge: this.connections) {
if( edge.getTo().equals(node)) {
return edge.getCost();
}
}
throw new EncogError("Nodes are not connected");
}
}