/*
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.facebook.presto.util;

import java.util.Optional;
import java.util.OptionalInt;

import static java.util.Objects.requireNonNull;

public class Optionals
{
    public static OptionalInt toOptionalInt(Optional<Integer> optional)
    {
        requireNonNull(optional, "optional is null");
        return optional
                .map(OptionalInt::of)
                .orElseGet(OptionalInt::empty);
    }

    private Optionals() {}
}

Add helper class for operating on Optionals