org.opennms.netmgt.discovery
Class DiscoveredIPMgr.AddrComparator

java.lang.Object
  org.opennms.netmgt.discovery.DiscoveredIPMgr.AddrComparator

All Implemented Interfaces:

java.util.Comparator

Enclosing class:

DiscoveredIPMgr

static final class DiscoveredIPMgr.AddrComparator

extends java.lang.Object

implements java.util.Comparator

This class implements the Comparator interface and provides the infomation required for a Tree to be sorted. This implementation only works with objects of type InetAddress.

Author:

Brian Weaver, OpenNMS

Field Summary

(package private) static DiscoveredIPMgr.AddrComparator

comparator Singular instance of the comparator that can be used in multiple trees.

Constructor Summary

(package private)

DiscoveredIPMgr.AddrComparator()

Method Summary

int	compare(java.lang.Object a, java.lang.Object b) The compare method returns the difference between to objects.

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

Field Detail

comparator

static final DiscoveredIPMgr.AddrComparator comparator

Singular instance of the comparator that can be used in multiple trees.

Constructor Detail

DiscoveredIPMgr.AddrComparator

DiscoveredIPMgr.AddrComparator()

Method Detail

compare

public int compare(java.lang.Object a,
                   java.lang.Object b)

The compare method returns the difference between to objects. This method expects both instances to be instances of InetAddress or null.

Specified by:

compare in interface java.util.Comparator

Parameters:

a - an instance of an InetAddress.

b - an instance of an InetAddress.

Returns:

less than zero if a < b, zero if a == b, or greater than zero if a > b.