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Library for building fast, scalable, fault-tolerant Data APIs based on Akka, ZooKeeper and Kafka.

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/*
 * Copyright 2016-2018 Michal Harish, [email protected]
 *
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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 io.amient.affinity.core;

import io.amient.affinity.core.util.ByteUtils;

public class Murmur2Partitioner implements Partitioner {

    public int partition(byte[] serializedKey, int numPartitions) {
        int result = (ByteUtils.murmur2(serializedKey)  & 0x7fffffff) % numPartitions;
        return result;
    }

}