org.openmdx.compatibility.base.dataprovider.spi
Class AbstractComparator

java.lang.Object
  org.openmdx.compatibility.base.dataprovider.spi.AbstractComparator

All Implemented Interfaces:

Comparator

Direct Known Subclasses:

DataproviderObjectComparator

public abstract class AbstractComparator
extends Object
implements Comparator

Author:

hburger To change the template for this generated type comment go to Window>Preferences>Java>Code Generation>Code and Comments

Field Summary

protected AttributeSpecifier[]

order

Constructor Summary

AbstractComparator(AttributeSpecifier[] order)

Method Summary

int	compare(Object left, Object right)
protected abstract Iterator	getValues(Object candidate, String attribute)
String	toString()

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.Comparator

equals

Field Detail

order

protected AttributeSpecifier[] order

Constructor Detail

AbstractComparator

public AbstractComparator(AttributeSpecifier[] order)

Method Detail

getValues

protected abstract Iterator getValues(Object candidate,
                                      String attribute)

Parameters:

attribute -

Returns:

an iterator for the values

Throws:

ClassCastException - If the filter is not applicable to the candidate

compare

public int compare(Object left,
                   Object right)

Specified by:

compare in interface Comparator

toString

public String toString()

Overrides:

toString in class Object