edu.iu.harp.keyval

Class Int2LongKVTable

java.lang.Object

edu.iu.harp.partition.Table<P>

edu.iu.harp.keyval.KVTable<Int2LongKVPartition>

edu.iu.harp.keyval.Int2LongKVTable

public class Int2LongKVTable
extends KVTable<Int2LongKVPartition>

A KVTable manages Int2LongKVPartition

Constructor Summary

Constructors

Constructor and Description
Int2LongKVTable(int tableID, TypeLongCombiner combiner)

Method Summary

Modifier and Type	Method and Description
void	addKeyVal(int key, long val) Add a new key-value pair to the table.
protected int	getKVPartitionID(int key) Get the partition Id by key
long	getVal(int key) Get the value associated with the key

Methods inherited from class edu.iu.harp.partition.Table

addPartition, free, getCombiner, getNumPartitions, getPartition, getPartitionIDs, getPartitions, getTableID, insertPartition, isEmpty, release, removePartition

Methods inherited from class java.lang.Object

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

Constructor Detail

Int2LongKVTable

public Int2LongKVTable(int tableID,
                       TypeLongCombiner combiner)

Method Detail

addKeyVal

public void addKeyVal(int key,
                      long val)

Add a new key-value pair to the table. If the key exists, combine the old one and the new one, else, create a new partition and then add the new key-value pair to it.

Parameters:

key - the key

val - the value

getVal

public long getVal(int key)

Get the value associated with the key

Parameters:

key - the key

Returns:

the value

getKVPartitionID

protected int getKVPartitionID(int key)

Get the partition Id by key

Parameters:

key - the key

Returns:

the partition id