org.apache.felix.ipojo.util

Class ServiceReferenceRankingComparator

java.lang.Object

org.apache.felix.ipojo.util.ServiceReferenceRankingComparator

All Implemented Interfaces:

java.io.Serializable, java.util.Comparator<org.osgi.framework.ServiceReference>

public class ServiceReferenceRankingComparator
extends java.lang.Object
implements java.util.Comparator<org.osgi.framework.ServiceReference>, java.io.Serializable

Service Reference Comparator. This comparator follows OSGi Ranking policy.

Author:

Felix Project Team

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
ServiceReferenceRankingComparator()

Method Summary

Modifier and Type	Method and Description
int	compare(org.osgi.framework.ServiceReference ref1, org.osgi.framework.ServiceReference ref2) Compares two service reference.

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

comparing, comparing, comparingDouble, comparingInt, comparingLong, equals, naturalOrder, nullsFirst, nullsLast, reversed, reverseOrder, thenComparing, thenComparing, thenComparing, thenComparingDouble, thenComparingInt, thenComparingLong

Constructor Detail

ServiceReferenceRankingComparator

public ServiceReferenceRankingComparator()

Method Detail

compare

public int compare(org.osgi.framework.ServiceReference ref1,
                   org.osgi.framework.ServiceReference ref2)

Compares two service reference.

Specified by:

compare in interface java.util.Comparator<org.osgi.framework.ServiceReference>

Parameters:

ref1 - the reference 1

ref2 - the reference 2

Returns:

-1 if the reference 1 is 'higher' than the reference 2, 1 otherwise. (higher is term of ranking means a lower index)

See Also:

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