com.intel.analytics.bigdl.utils.HashFunc.scala Maven / Gradle / Ivy
/*
* Copyright 2016 The BigDL Authors.
*
* 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.intel.analytics.bigdl.utils
import scala.util.hashing.MurmurHash3
object HashFunc {
def stringHashBucket32(string: String, buckets: Int): Int = {
MurmurHash3.stringHash(string) % buckets match {
case v if v < 0 => v + buckets
case v if v >= 0 => v
}
}
}