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Converters and Comprehenders for FunctionalJava

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package com.aol.cyclops.functionaljava.comprehenders;

import java.util.function.Function;

import com.aol.cyclops.types.extensability.Comprehender;
import com.aol.cyclops.types.extensability.ValueComprehender;

import fj.data.Option;
import fj.data.State;

public class StateComprehender implements ValueComprehender {

    @Override
    public Object resolveForCrossTypeFlatMap(Comprehender comp, State apply) {
        return comp.of(apply.run(null)
                            ._2());
    }

    @Override
    public Object map(State t, Function fn) {
        return t.map(r -> fn.apply(r));
    }

    @Override
    public Object flatMap(State t, Function fn) {
        return t.flatMap(r -> fn.apply(r));
    }

    @Override
    public State of(Object o) {
        return State.constant(o);
    }

    @Override
    public State empty() {
        return State.constant(Option.none());
    }

    @Override
    public Class getTargetClass() {
        return State.class;
    }

}