HashHelper (Oracle® Coherence Java API Reference)

java.lang.Object
- com.tangosol.util.HashHelper

```
public abstract class HashHelper
extends Object
```
This abstract class contains helper functions for calculating hash code values for any group of java intrinsics.

Version:

1.00, 04/25/00

Author:

pm

Constructor Summary

Constructors
Constructor and Description

HashHelper()

Constructors
Constructor and Description
`HashHelper()`

Method Summary

All Methods Static Methods Concrete Methods
Modifier and Type	Method and Description
`static int`	`hash(boolean[] value, int hash)` Calculate a running hash using the boolean array value.
`static int`	`hash(boolean value, int hash)` Calculate a running hash using the boolean value.
`static int`	`hash(byte[] value, int hash)` Calculate a running hash using the byte array value.
`static int`	`hash(byte value, int hash)` Calculate a running hash using the byte value.
`static int`	`hash(char[] value, int hash)` Calculate a running hash using the char array value.
`static int`	`hash(char value, int hash)` Calculate a running hash using the char value.
`static int`	`hash(Collection col, int hash)` Calculate a running hash using the Collection value.
`static int`	`hash(double[] value, int hash)` Calculate a running hash using the double array value.
`static int`	`hash(double value, int hash)` Calculate a running hash using the double value.
`static int`	`hash(float[] value, int hash)` Calculate a running hash using the float array value.
`static int`	`hash(float value, int hash)` Calculate a running hash using the float value.
`static int`	`hash(int[] value, int hash)` Calculate a running hash using the int array value.
`static int`	`hash(int value, int hash)` Calculate a running hash using the int value.
`static int`	`hash(long[] value, int hash)` Calculate a running hash using the long array value.
`static int`	`hash(long value, int hash)` Calculate a running hash using the long value.
`static int`	`hash(Object[] value, int hash)` Calculate a running hash using the Object array value.
`static int`	`hash(Object value, int hash)` Calculate a running hash using the Object value.
`static int`	`hash(short[] value, int hash)` Calculate a running hash using the short array value.
`static int`	`hash(short value, int hash)` Calculate a running hash using the short value.
`static String`	`hash(String s)` Shift the value into a different charset order.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - HashHelper
```
public HashHelper()
```
- Method Detail
  - hash
```
public static int hash(boolean value,
                       int hash)
```
    Calculate a running hash using the boolean value.
    
    Parameters:
    
    value - the boolean value for use in the hash
    
    hash - the running hash value
    
    Returns:
    
    the resulting running hash value
  - hash
```
public static int hash(byte value,
                       int hash)
```
    Calculate a running hash using the byte value.
    
    Parameters:
    
    value - the byte value for use in the hash
    
    hash - the running hash value
    
    Returns:
    
    the resulting running hash value
  - hash
```
public static int hash(char value,
                       int hash)
```
    Calculate a running hash using the char value.
    
    Parameters:
    
    value - the char value for use in the hash
    
    hash - the running hash value
    
    Returns:
    
    the resulting running hash value
  - hash
```
public static int hash(double value,
                       int hash)
```
    Calculate a running hash using the double value.
    
    Parameters:
    
    value - the double value for use in the hash
    
    hash - the running hash value
    
    Returns:
    
    the resulting running hash value
  - hash
```
public static int hash(float value,
                       int hash)
```
    Calculate a running hash using the float value.
    
    Parameters:
    
    value - the float value for use in the hash
    
    hash - the running hash value
    
    Returns:
    
    the resulting running hash value
  - hash
```
public static int hash(int value,
                       int hash)
```
    Calculate a running hash using the int value.
    
    Parameters:
    
    value - the int value for use in the hash
    
    hash - the running hash value
    
    Returns:
    
    the resulting running hash value
  - hash
```
public static int hash(long value,
                       int hash)
```
    Calculate a running hash using the long value.
    
    Parameters:
    
    value - the long value for use in the hash
    
    hash - the running hash value
    
    Returns:
    
    the resulting running hash value
  - hash
```
public static int hash(short value,
                       int hash)
```
    Calculate a running hash using the short value.
    
    Parameters:
    
    value - the short value for use in the hash
    
    hash - the running hash value
    
    Returns:
    
    the resulting running hash value
  - hash
```
public static int hash(Object value,
                       int hash)
```
    Calculate a running hash using the Object value.
    
    Parameters:
    
    value - the Object value for use in the hash
    
    hash - the running hash value
    
    Returns:
    
    the resulting running hash value
  - hash
```
public static int hash(boolean[] value,
                       int hash)
```
    Calculate a running hash using the boolean array value.
    
    Parameters:
    
    value - the boolean array value for use in the hash
    
    hash - the running hash value
    
    Returns:
    
    the resulting running hash value
  - hash
```
public static int hash(byte[] value,
                       int hash)
```
    Calculate a running hash using the byte array value.
    
    Parameters:
    
    value - the byte array value for use in the hash
    
    hash - the running hash value
    
    Returns:
    
    the resulting running hash value
  - hash
```
public static int hash(char[] value,
                       int hash)
```
    Calculate a running hash using the char array value.
    
    Parameters:
    
    value - the char array value for use in the hash
    
    hash - the running hash value
    
    Returns:
    
    the resulting running hash value
  - hash
```
public static int hash(double[] value,
                       int hash)
```
    Calculate a running hash using the double array value.
    
    Parameters:
    
    value - the double array value for use in the hash
    
    hash - the running hash value
    
    Returns:
    
    the resulting running hash value
  - hash
```
public static int hash(float[] value,
                       int hash)
```
    Calculate a running hash using the float array value.
    
    Parameters:
    
    value - the float array value for use in the hash
    
    hash - the running hash value
    
    Returns:
    
    the resulting running hash value
  - hash
```
public static int hash(int[] value,
                       int hash)
```
    Calculate a running hash using the int array value.
    
    Parameters:
    
    value - the int array value for use in the hash
    
    hash - the running hash value
    
    Returns:
    
    the resulting running hash value
  - hash
```
public static int hash(long[] value,
                       int hash)
```
    Calculate a running hash using the long array value.
    
    Parameters:
    
    value - the long array value for use in the hash
    
    hash - the running hash value
    
    Returns:
    
    the resulting running hash value
  - hash
```
public static int hash(short[] value,
                       int hash)
```
    Calculate a running hash using the short array value.
    
    Parameters:
    
    value - the short array value for use in the hash
    
    hash - the running hash value
    
    Returns:
    
    the resulting running hash value
  - hash
```
public static int hash(Object[] value,
                       int hash)
```
    Calculate a running hash using the Object array value.
    
    Parameters:
    
    value - the Object array value for use in the hash
    
    hash - the running hash value
    
    Returns:
    
    the resulting running hash value
  - hash
```
public static int hash(Collection col,
                       int hash)
```
    Calculate a running hash using the Collection value. The hash computed over the Collection's entries is order-independent.
    
    Parameters:
    
    col - the Collection value for use in the hash
    
    hash - the running hash value
    
    Returns:
    
    the resulting running hash value
  - hash
```
public static String hash(String s)
```
    Shift the value into a different charset order.
    
    Parameters:
    
    s - a String
    
    Returns:
    
    a String with a different charset ordering

Class HashHelper

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Constructor Detail

HashHelper

Method Detail

hash

hash

hash

hash

hash

hash

hash

hash

hash

hash

hash

hash

hash

hash

hash

hash

hash

hash

hash

hash