Java Hash Calculate hashForEqual(Class clazz)

Description

hash For Equal

License

Open Source License

Declaration

public static int hashForEqual(Class clazz) 

Method Source Code

//package com.java2s;
/**/*w  ww  .  java  2 s . c  om*/
 * The MIT License
 * Copyright (c) 2003 David G Jones
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */

public class Main {
    public static int hashForEqual(Class clazz) {
        //TODO guess!
        return hashForEqual(clazz.getName());
    }

    public static int hashForEqual(int value) {
        //TODO guess!
        return Math.abs(value);
    }

    public static int hashForEqual(double d) {
        //TODO guess!
        return (int) Math.abs(d);
    }

    public static int hashForEqual(float f) {
        //TODO guess!
        return (int) Math.abs(f);
    }

    public static int hashForEqual(String s) {
        //TODO bad!! Probably shouldn't rely on Java hashCode behaviour
        return s.hashCode();
    }
}

Related

1. hashEqules(Object source, Object obj)
2. hashFloat(float value)
3. hashFloatBits(long hash, float f)
4. hashFNV32(int val)
5. hashFNV64(byte[] bytes)
6. hashHC(int i)
7. hashHsieh(int init, Object... vals)
8. hashInt(final int v)
9. hashIntArray(int seed, int[] data, int offset, int len)