ANTLR 4.13.1 · org.antlr.v4.runtime.misc.MurmurHash

Modifier and Type	Field and Description
private static final int	DEFAULT_SEED

Access	Constructor and Description
private	MurmurHash()

Method Summary

Modifier and Type	Method and Description
public static int	Returns: the final hash result finish(int the intermediate hash value hash, int the number of integer values added to the hash numberOfWords) Apply the final computation steps to the intermediate value `hash` to form the final result of the MurmurHash 3 hash function.
public static < the array element type T> int	Returns: the hash code of the data hashCode(T[] the array data data, int the seed for the MurmurHash algorithm seed) Utility function to compute the hash code of an array using the MurmurHash algorithm.
public static int	Returns: the intermediate hash value initialize() Initialize the hash using the default seed value.
public static int	Returns: the intermediate hash value initialize(int the seed seed) Initialize the hash using the specified `seed`.
public static int	Returns: the updated intermediate hash value update(int the intermediate hash value hash, int the value to add to the current hash value) Update the intermediate hash value for the next input `value`.
public static int	Returns: the updated intermediate hash value update(int the intermediate hash value hash, Object the value to add to the current hash value) Update the intermediate hash value for the next input `value`.

Inherited from java.lang.Object:: clone equals finalize getClass hashCode notify notifyAll toString wait wait wait

DEFAULT_SEED	back to summary
private static final int DEFAULT_SEED

MurmurHash	back to summary
private MurmurHash()

Method Detail

finish back to summary

finish	back to summary
public static int finish(int hash, int numberOfWords) Apply the final computation steps to the intermediate value `hash` to form the final result of the MurmurHash 3 hash function. Parameters hash:int the intermediate hash value numberOfWords:int the number of integer values added to the hash Returns:int the final hash result

public static int finish(int hash, int numberOfWords)

Apply the final computation steps to the intermediate value hash to form the final result of the MurmurHash 3 hash function.

Parameters

hash:int: the intermediate hash value
numberOfWords:int: the number of integer values added to the hash

Returns:int

the final hash result

hashCode	back to summary
public static <T> int hashCode(T[] data, int seed) Utility function to compute the hash code of an array using the MurmurHash algorithm. Parameters <T> the array element type data:T[] the array data seed:int the seed for the MurmurHash algorithm Returns:int the hash code of the data

hashCode

back to summary

public static <T> int hashCode(T[] data, int seed)

Utility function to compute the hash code of an array using the MurmurHash algorithm.

Parameters

<T>: the array element type
data:T[]: the array data
seed:int: the seed for the MurmurHash algorithm

Returns:int

the hash code of the data

initialize	back to summary
public static int initialize() Initialize the hash using the default seed value. Returns:int the intermediate hash value

initialize

back to summary

public static int initialize()

Initialize the hash using the default seed value.

Returns:int: the intermediate hash value

initialize back to summary

initialize	back to summary
public static int initialize(int seed) Initialize the hash using the specified `seed`. Parameters seed:int the seed Returns:int the intermediate hash value

public static int initialize(int seed)

Initialize the hash using the specified seed.

Parameters

seed:int: the seed

Returns:int

the intermediate hash value

update back to summary

update	back to summary
public static int update(int hash, int value) Update the intermediate hash value for the next input `value`. Parameters hash:int the intermediate hash value value:int the value to add to the current hash Returns:int the updated intermediate hash value

public static int update(int hash, int value)

Update the intermediate hash value for the next input value.

Parameters

hash:int: the intermediate hash value
value:int: the value to add to the current hash

Returns:int

the updated intermediate hash value

update back to summary

update	back to summary
public static int update(int hash, Object value) Update the intermediate hash value for the next input `value`. Parameters hash:int the intermediate hash value value:Object the value to add to the current hash Returns:int the updated intermediate hash value

public static int update(int hash, Object value)

Update the intermediate hash value for the next input value.

Parameters

hash:int: the intermediate hash value
value:Object: the value to add to the current hash

Returns:int

the updated intermediate hash value

public final Class MurmurHash

Field Summary

Constructor Summary

Method Summary

Field Detail

Constructor Detail

Method Detail