edu.iu.dsc.tws.comms.selectors

Class HashingSelector

java.lang.Object

edu.iu.dsc.tws.comms.selectors.HashingSelector

All Implemented Interfaces:

DestinationSelector

public class HashingSelector
extends java.lang.Object
implements DestinationSelector

Hashing selector, that does hash based selection for keys

Constructor Summary

Constructors

Constructor and Description
HashingSelector()

Method Summary

Modifier and Type	Method and Description
void	commit(int source, int dest) Say that we have used the obtained destination
int	next(int source, java.lang.Object data) Get next destination using source and the data
int	next(int source, java.lang.Object key, java.lang.Object data) Get next destination using source, key and data
void	prepare(Communicator comm, java.util.Set<java.lang.Integer> sources, java.util.Set<java.lang.Integer> dests) Prepare the destination selector
void	prepare(Communicator comm, java.util.Set<java.lang.Integer> sources, java.util.Set<java.lang.Integer> dests, MessageType kType, MessageType dType) Prepare the destination selector, if this method is not overridden to support keyType and dataType those values will be simply discarded.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

HashingSelector

public HashingSelector()

Method Detail

prepare

public void prepare(Communicator comm,
                    java.util.Set<java.lang.Integer> sources,
                    java.util.Set<java.lang.Integer> dests)

Description copied from interface: DestinationSelector

Prepare the destination selector

Specified by:

prepare in interface DestinationSelector

Parameters:

comm - the communicator

sources - sources

dests - destination

prepare

public void prepare(Communicator comm,
                    java.util.Set<java.lang.Integer> sources,
                    java.util.Set<java.lang.Integer> dests,
                    MessageType kType,
                    MessageType dType)

Description copied from interface: DestinationSelector

Prepare the destination selector, if this method is not overridden to support keyType and dataType those values will be simply discarded.

Specified by:

prepare in interface DestinationSelector

Parameters:

comm - the communicator

sources - sources

dests - destination

kType - type of key that this selector handles

dType - type of data that this selector handles

next

public int next(int source,
                java.lang.Object key,
                java.lang.Object data)

Description copied from interface: DestinationSelector

Get next destination using source, key and data

Specified by:

next in interface DestinationSelector

Parameters:

source - source

key - key

data - data

Returns:

the next destination

next

public int next(int source,
                java.lang.Object data)

Description copied from interface: DestinationSelector

Get next destination using source and the data

Specified by:

next in interface DestinationSelector

Parameters:

source - source

data - data

Returns:

the next destination

commit

public void commit(int source,
                   int dest)

Description copied from interface: DestinationSelector

Say that we have used the obtained destination

Specified by:

commit in interface DestinationSelector

Parameters:

source - source

dest - obtained destination