jsonvalues.gen.JsTupleGen Maven / Gradle / Ivy

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package jsonvalues.gen;

import jsonvalues.JsArray;

import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.Random;
import java.util.function.Supplier;

import static java.util.Objects.requireNonNull;

final class JsTupleGen implements JsGen {
    private final List> gens = new ArrayList<>();

    JsTupleGen(final JsGen gen,
               final JsGen... others
              ) {
        ;
        gens.add(requireNonNull(gen));
        gens.addAll(Arrays.asList(requireNonNull(others)));
    }

    @Override
    public Supplier apply(final Random random) {
        requireNonNull(random);

        return () ->
        {
            JsArray array = JsArray.empty();
            for (final JsGen gen : gens)
                array = array.append(gen.apply(random)
                                        .get());
            return array;
        };
    }


}