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• 8.4.1
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• OptionComprehender.java

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com.aol.cyclops.functionaljava.comprehenders.OptionComprehender Maven / Gradle / Ivy

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;

public class OptionComprehender implements ValueComprehender {

    @Override
    public Object resolveForCrossTypeFlatMap(Comprehender comp, Option apply) {
        if (apply.isSome())
            return comp.of(apply.some());
        return comp.empty();
    }

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

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

    @Override
    public Option of(Object o) {
        return Option.fromNull(o);
    }

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

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

}