package jcgp.population; import java.util.ArrayList; import jcgp.Parameters; import jcgp.Utilities; import jcgp.function.Function; public class Node implements MutableElement, Connection { private Function function; private Connection[] connections; private int column, row; private Chromosome chromosome; public Node(Chromosome chromosome, int row, int column) { this.chromosome = chromosome; this.column = column; this.row = row; } @Override public int getValue() { return function.run(connections); } public void setFunction(Function newFunction) { function = newFunction; chromosome.recomputeActiveNodes(); } @Override public void setConnection(Connection newConnection) { connections[Utilities.getRandomInt(connections.length)] = newConnection; chromosome.recomputeActiveNodes(); } public void initialise(Function newFunction, Connection ... newConnections) throws InsufficientConnectionsException { function = newFunction; if (newConnections.length >= Parameters.getMaxArity()) { connections = newConnections; } else { throw new InsufficientConnectionsException(); } } public int getColumn() { return column; } public int getRow() { return row; } public Function getFunction() { return function; } public Connection getConnection(int index) { return connections[index]; } @Override public void getActive(ArrayList activeNodes) { if (!activeNodes.contains(this)) { activeNodes.add(this); } for (int i = 0; i < function.getArity(); i++) { connections[i].getActive(activeNodes); } } }