/*
 * Copyright 2019-present HiveMQ GmbH
 *
 * 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.hivemq.persistence.local.xodus.bucket;

import com.hivemq.extension.sdk.api.annotations.NotNull;
import net.openhft.hashing.LongHashFunction;

/**
 * @author Dominik Obermaier
 */
public class BucketUtils {

    private static final LongHashFunction XX = LongHashFunction.xx();

    public static int getBucket(@NotNull final String id, final int bucketSize) {
        return Math.abs((int) (XX.hashChars(id) % bucketSize));
    }

}
