org.apache.pulsar.client.impl.Murmur3Hash32 Maven / Gradle / Ivy
/*
* 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.
*/
/*
* The original MurmurHash3 was written by Austin Appleby, and is placed in the
* public domain. This source code, implemented by Licht Takeuchi, is based on
* the original MurmurHash3 source code.
*/
package org.apache.pulsar.client.impl;
import java.nio.charset.StandardCharsets;
public class Murmur3Hash32 implements Hash {
private static final Murmur3Hash32 instance = new Murmur3Hash32();
private Murmur3Hash32(){ }
public static Hash getInstance() {
return instance;
}
@Override
public int makeHash(String s) {
return org.apache.pulsar.common.util.Murmur3_32Hash.getInstance()
.makeHash(s.getBytes(StandardCharsets.UTF_8)) & Integer.MAX_VALUE;
}
@Override
public int makeHash(byte[] b) {
return org.apache.pulsar.common.util.Murmur3_32Hash.getInstance().makeHash(b) & Integer.MAX_VALUE;
}
}