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package jcgp.function;
import java.util.ArrayList;
import java.util.Arrays;
import jcgp.exceptions.InvalidArgumentsException;
import jcgp.population.Connection;
public class BooleanLogic extends FunctionSet {
public BooleanLogic() {
maxArity = 2;
name = "1-bit Logic";
functionList = new Function[]{
new And(),
new Or(),
new Not(),
new Xor(),
new Nand(),
new Nor(),
new Xnor()};
allowedFunctions = new ArrayList<Function>(Arrays.asList(functionList));
}
public static class And extends Function {
private int arity = 2;
@Override
public Boolean run(Connection... connections) {
if (connections.length < arity) {
throw new InvalidArgumentsException("Not enough connections were given.");
} else {
Boolean arg1 = ((Boolean) connections[0].getValue());
Boolean arg2 = ((Boolean) connections[1].getValue());
Boolean result = arg1 && arg2;
return result;
}
}
@Override
public int getArity() {
return arity;
}
@Override
public String getName() {
return "AND";
}
}
public static class Or extends Function {
private int arity = 2;
@Override
public Boolean run(Connection... connections) {
if (connections.length < arity) {
throw new InvalidArgumentsException("Not enough connections were given.");
} else {
Boolean arg1 = ((Boolean) connections[0].getValue());
Boolean arg2 = ((Boolean) connections[1].getValue());
Boolean result = arg1 || arg2;
return result;
}
}
@Override
public int getArity() {
return arity;
}
@Override
public String getName() {
return "OR";
}
}
public static class Not extends Function {
private int arity = 1;
@Override
public Boolean run(Connection... connections) {
if (connections.length < arity) {
throw new InvalidArgumentsException("Not enough connections were given.");
} else {
Boolean arg1 = ((Boolean) connections[0].getValue());
Boolean result = !arg1;
return result;
}
}
@Override
public int getArity() {
return arity;
}
@Override
public String getName() {
return "NOT";
}
}
public static class Xor extends Function {
private int arity = 2;
@Override
public Boolean run(Connection... connections) {
if (connections.length < arity) {
throw new InvalidArgumentsException("Not enough connections were given.");
} else {
Boolean arg1 = ((Boolean) connections[0].getValue());
Boolean arg2 = ((Boolean) connections[1].getValue());
Boolean result = arg1 ^ arg2;
return result;
}
}
@Override
public int getArity() {
return arity;
}
@Override
public String getName() {
return "XOR";
}
}
public static class Nand extends Function {
private int arity = 2;
@Override
public Boolean run(Connection... connections) {
if (connections.length < arity) {
throw new InvalidArgumentsException("Not enough connections were given.");
} else {
Boolean arg1 = ((Boolean) connections[0].getValue());
Boolean arg2 = ((Boolean) connections[1].getValue());
Boolean result = arg1 && arg2;
return !result;
}
}
@Override
public int getArity() {
return arity;
}
@Override
public String getName() {
return "NAND";
}
}
public static class Nor extends Function {
private int arity = 2;
@Override
public Boolean run(Connection... connections) {
if (connections.length < arity) {
throw new InvalidArgumentsException("Not enough connections were given.");
} else {
Boolean arg1 = ((Boolean) connections[0].getValue());
Boolean arg2 = ((Boolean) connections[1].getValue());
Boolean result = arg1 || arg2;
return !result;
}
}
@Override
public int getArity() {
return arity;
}
@Override
public String getName() {
return "NOR";
}
}
public static class Xnor extends Function {
private int arity = 2;
@Override
public Boolean run(Connection... connections) {
if (connections.length < arity) {
throw new InvalidArgumentsException("Not enough connections were given.");
} else {
Boolean arg1 = ((Boolean) connections[0].getValue());
Boolean arg2 = ((Boolean) connections[1].getValue());
Boolean result = arg1 ^ arg2;
return !result;
}
}
@Override
public int getArity() {
return arity;
}
@Override
public String getName() {
return "XNOR";
}
}
}
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