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A library of composable components enabling simpler Computational Intelligence
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/**           __  __
 *    _____ _/ /_/ /_    Computational Intelligence Library (CIlib)
 *   / ___/ / / / __ \   (c) CIRG @ UP
 *  / /__/ / / / /_/ /   http://cilib.net
 *  \___/_/_/_/_.___/
 */
package net.sourceforge.cilib.util.functions;

import com.google.common.collect.Lists;

import fj.F;
import fj.F2;
import net.sourceforge.cilib.entity.Entity;
import net.sourceforge.cilib.entity.MemoryBasedEntity;
import net.sourceforge.cilib.entity.SocialEntity;
import net.sourceforge.cilib.problem.Problem;
import net.sourceforge.cilib.problem.solution.Fitness;
import net.sourceforge.cilib.type.types.container.StructuredType;
import net.sourceforge.cilib.util.Cloneable;

public final class Entities {
    private Entities() {}

    public static  F clone_() {
        return new F() {
            @Override
            public E f(E e) {
                return (E) e.getClone();
            }
        };
    }

    public static  F getCandidateSolution() {
        return new F() {
            @Override
            public StructuredType f(E a) {
                return a.getCandidateSolution();
            }
        };
    }

    public static  java.util.List getCandidateSolutions(java.util.List list) {
        return Lists.newArrayList(fj.data.List.iterableList(list).map(new F() {
            @Override
            public E f(T e) {
                return (E) e.getCandidateSolution();
            }
        }));
    }

    public static  F2 setCandidateSolution() {
        return new F2() {
            @Override
            public E f(StructuredType a, E b) {
                b.setCandidateSolution(a);
                return b;
            }
        };
    }

    public static  F evaluate() {
        return new F() {
            @Override
            public E f(E a) {
                a.calculateFitness();
                return a;
            }
        };
    }

    public static  F getFitness() {
        return new F() {
            @Override
            public Fitness f(E a) {
                return a.getFitness();
            }
        };
    }

    public static  F getBestFitness() {
        return new F() {
            @Override
            public Fitness f(E a) {
                return a.getBestFitness();
            }
        };
    }

    public static  F reinitialise() {
        return new F() {
            @Override
            public E f(E a) {
                a.reinitialise();
                return a;
            }
        };
    }

    public static  F2 initialise() {
        return new F2() {
            @Override
            public E f(Problem a, E b) {
                b.initialise(a);
                return b;
            }
        };
    }

    public static  F getBestPosition() {
        return new F() {
            @Override
            public StructuredType f(E a) {
                return a.getBestPosition();
            }
        };
    }

    public static  F getSocialFitness() {
        return new F() {
            @Override
            public Fitness f(E a) {
                return a.getSocialFitness();
            }
        };
    }
}