edu.isi.pegasus.planner.catalog.transformation.client
Class TCQuery.LFNComparator

java.lang.Object
  edu.isi.pegasus.planner.catalog.transformation.client.TCQuery.LFNComparator

All Implemented Interfaces:

Comparator

Enclosing class:

TCQuery

private class TCQuery.LFNComparator
extends Object
implements Comparator

The comparator that is used to group the RLSAttributeObject objects by the value in the key field. This comparator should only be used for grouping purposes not in Sets or Maps etc.

Constructor Summary

private

TCQuery.LFNComparator()

Method Summary

int	compare(Object o1, Object o2) Compares this object with the specified object for order.

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.Comparator

equals

Constructor Detail

TCQuery.LFNComparator

private TCQuery.LFNComparator()

Method Detail

compare

public int compare(Object o1,
                   Object o2)

Compares this object with the specified object for order. Returns a negative integer, zero, or a positive integer if the first argument is less than, equal to, or greater than the specified object. The TransformationCatalogEntry object are compared by their lfn field.

Specified by:

compare in interface Comparator

Parameters:

o1 - is the first object to be compared.

o2 - is the second object to be compared.

Returns:

a negative number, zero, or a positive number, if the object compared against is less than, equals or greater than this object.

Throws:

ClassCastException - if the specified object's type prevents it from being compared to this Object.