vishnu.model.algebra.algorithms.join
Class DefaultPartition

java.lang.Object
  vishnu.model.algebra.algorithms.join.DefaultPartition

All Implemented Interfaces:

Partition

public class DefaultPartition
extends java.lang.Object
implements Partition

Author:

Mariano Tepper

Constructor Summary

DefaultPartition(TableContext c, java.lang.String hashColumn)

Method Summary

boolean	equals(java.lang.Object o)
void	finishPartitioning()
int	hashCode()
int	partitionCount()
boolean	put(Record r)
Record	retrieve(int partitionNumber, int record)
int	size(int partitionNumber)

Methods inherited from class java.lang.Object

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

Constructor Detail

DefaultPartition

public DefaultPartition(TableContext c,
                        java.lang.String hashColumn)

Method Detail

put

public boolean put(Record r)

Specified by:

put in interface Partition

size

public int size(int partitionNumber)

Specified by:

size in interface Partition

retrieve

public Record retrieve(int partitionNumber,
                       int record)

Specified by:

retrieve in interface Partition

partitionCount

public int partitionCount()

Specified by:

partitionCount in interface Partition

finishPartitioning

public void finishPartitioning()

Specified by:

finishPartitioning in interface Partition

equals

public boolean equals(java.lang.Object o)

Overrides:

equals in class java.lang.Object

hashCode

public int hashCode()

Overrides:

hashCode in class java.lang.Object