proper.database
Class JoinComparator

java.lang.Object
  proper.database.JoinComparator

All Implemented Interfaces:

java.util.Comparator

public class JoinComparator
extends java.lang.Object
implements java.util.Comparator

Compares Join instances based on their size member or the join string.

Version:

$Revision: 1.2 $

Author:

fracpete (fracpete at waikato dot ac dot nz)

Constructor Summary

JoinComparator()
initializes the comparator with the comparison based on the join string

JoinComparator(boolean useSize)
initializes the comparator with the comparison based either on the join string (false) or on the size (true)

Method Summary

int	compare(java.lang.Object o1, java.lang.Object o2) compares the given two joins, either on the size or on the join string
boolean	getUseSize() returns whether the size is used for comparison or the name
void	setUseSize(boolean value) sets whether to use the size for comparison or not

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.Comparator

equals

Constructor Detail

JoinComparator

public JoinComparator()

initializes the comparator with the comparison based on the join string

JoinComparator

public JoinComparator(boolean useSize)

initializes the comparator with the comparison based either on the join string (false) or on the size (true)

Parameters:

useSize - whether to use the size for comparison

Method Detail

setUseSize

public void setUseSize(boolean value)

sets whether to use the size for comparison or not

getUseSize

public boolean getUseSize()

returns whether the size is used for comparison or the name

compare

public int compare(java.lang.Object o1,
                   java.lang.Object o2)

compares the given two joins, either on the size or on the join string

Specified by:

compare in interface java.util.Comparator

Parameters:

o1 - the first join to test with

o2 - the second join to test with

See Also:

Comparator.compare(java.lang.Object, java.lang.Object), m_UseSize