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/*
 *
 *  *  Copyright 2010-2016 OrientDB LTD (http://orientdb.com)
 *  *
 *  *  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.
 *  *
 *  * For more information: http://orientdb.com
 *
 */
package com.orientechnologies.orient.core.sharding.auto;

import static java.lang.Math.abs;

import com.orientechnologies.common.serialization.types.OBinarySerializer;
import com.orientechnologies.orient.core.storage.index.hashindex.local.OMurmurHash3HashFunction;

/**
 * Auto-sharding strategy implementation that uses Murmur hashing.
 *
 * @author Luca Garulli (l.garulli--(at)--orientdb.com)
 * @since 3.0
 */
public final class OAutoShardingMurmurStrategy implements OAutoShardingStrategy {
  private OMurmurHash3HashFunction hashFunction;

  public OAutoShardingMurmurStrategy(final OBinarySerializer keySerializer) {
    hashFunction = new OMurmurHash3HashFunction