Java Hash Code Calculate hashCode(final byte[] data)

Description

hash Code

License

Open Source License

Declaration

public static int hashCode(final byte[] data) 

Method Source Code

//package com.java2s;
/*//from   w  w  w  .  j  a va 2s .c  o  m
 * Copyright (c) 2008-2013, Hazelcast, Inc. All Rights Reserved.
 *
 * 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.
 */

public class Main {
    public static int hashCode(final byte[] data) {
        if (data == null)
            return Integer.MIN_VALUE;
        // FNV (Fowler/Noll/Vo) Hash "1a"
        final int prime = 0x01000193;
        int hash = 0x811c9dc5;
        for (int i = data.length - 1; i >= 0; i--) {
            hash = (hash ^ data[i]) * prime;
        }
        return hash;
    }
}

Related

1. hashCode(char[] array, int start, int end)
2. hashCode(CharSequence seq)
3. hashCode(double dbl)
4. hashCode(double v)
5. hashCode(double val)
6. hashCode(final char[] text, final int textOffset, final int textLen)
7. hashCode(final int i)
8. hashCode(final int i)
9. hashCode(final int seed, final int hashcode)