Class MurmurHash
Murmur3 Hash implementation
Inherited Members
Namespace: Akka.Util
Assembly: Akka.dll
Syntax
public static class MurmurHashFields
| Improve this Doc View SourceStartMagicA
The initial magic integer in the first stream.
Declaration
public const uint StartMagicA = 2505324423UField Value
| Type | Description |
|---|---|
| UInt32 |
StartMagicB
The initial magic integer in the second stream.
Declaration
public const uint StartMagicB = 718793509UField Value
| Type | Description |
|---|---|
| UInt32 |
Methods
| Improve this Doc View SourceArrayHash<T>(T[])
Compute a high-quality hash of an array
Declaration
public static int ArrayHash<T>(T[] a)Parameters
| Type | Name | Description |
|---|---|---|
| T[] | a | TBD |
Returns
| Type | Description |
|---|---|
| Int32 | TBD |
Type Parameters
| Name | Description |
|---|---|
| T |
ByteHash(Byte[])
Compute a high-quality hash of a byte array
Declaration
public static int ByteHash(byte[] b)Parameters
| Type | Name | Description |
|---|---|---|
| Byte[] | b | TBD |
Returns
| Type | Description |
|---|---|
| Int32 | TBD |
ExtendHash(UInt32, UInt32, UInt32, UInt32)
Incorporates a new value into an existing hash
Declaration
public static uint ExtendHash(uint hash, uint value, uint magicA, uint magicB)Parameters
| Type | Name | Description |
|---|---|---|
| UInt32 | hash | The prior hash value |
| UInt32 | value | The new value to incorporate |
| UInt32 | magicA | A magic integer from the left of the stream |
| UInt32 | magicB | A magic integer from a different stream |
Returns
| Type | Description |
|---|---|
| UInt32 | The updated hash value |
FinalizeHash(UInt32)
Once all hashes have been incorporated, this performs a final mixing.
Declaration
public static uint FinalizeHash(uint hash)Parameters
| Type | Name | Description |
|---|---|---|
| UInt32 | hash | TBD |
Returns
| Type | Description |
|---|---|
| UInt32 | TBD |
NextMagicA(UInt32)
Given a magic integer from the first stream, compute the next
Declaration
public static uint NextMagicA(uint magicA)Parameters
| Type | Name | Description |
|---|---|---|
| UInt32 | magicA | TBD |
Returns
| Type | Description |
|---|---|
| UInt32 | TBD |
NextMagicB(UInt32)
Given a magic integer from the second stream, compute the next
Declaration
public static uint NextMagicB(uint magicB)Parameters
| Type | Name | Description |
|---|---|---|
| UInt32 | magicB | TBD |
Returns
| Type | Description |
|---|---|
| UInt32 | TBD |
StartHash(UInt32)
Begin a new hash with a seed value.
Declaration
public static uint StartHash(uint seed)Parameters
| Type | Name | Description |
|---|---|---|
| UInt32 | seed | TBD |
Returns
| Type | Description |
|---|---|
| UInt32 | TBD |
StringHash(String)
Compute high-quality hash of a string
Declaration
public static int StringHash(string s)Parameters
| Type | Name | Description |
|---|---|---|
| String | s | TBD |
Returns
| Type | Description |
|---|---|
| Int32 | TBD |
SymmetricHash<T>(IEnumerable<T>, UInt32)
Compute a hash that is symmetric in its arguments--that is, where the order of appearance of elements does not matter. This is useful for hashing sets, for example.
Declaration
public static int SymmetricHash<T>(IEnumerable<T> xs, uint seed)Parameters
| Type | Name | Description |
|---|---|---|
| IEnumerable<T> | xs | TBD |
| UInt32 | seed | TBD |
Returns
| Type | Description |
|---|---|
| Int32 | TBD |
Type Parameters
| Name | Description |
|---|---|
| T |
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