org.apache.tamaya.core.internal

Class PriorityServiceComparator

java.lang.Object

org.apache.tamaya.core.internal.PriorityServiceComparator

All Implemented Interfaces:

Comparator<Object>

public class PriorityServiceComparator
extends Object
implements Comparator<Object>

Comparator implementation for odering services loaded based on their increasing priority values.

Constructor Summary

Constructors

Constructor and Description
PriorityServiceComparator()

Method Summary

Methods

Modifier and Type	Method and Description
int	compare(Object o1, Object o2)
static int	getPriority(Class type) Checks the given type optionally annotated with a @Priority.
static int	getPriority(Object o) Checks the given instance for a @Priority annotation.

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

PriorityServiceComparator

public PriorityServiceComparator()

Method Detail

compare

public int compare(Object o1,
          Object o2)

Specified by:

compare in interface Comparator<Object>

getPriority

public static int getPriority(Object o)

Checks the given instance for a @Priority annotation. If present the annotation's value s evaluated. If no such annotation is present, a default priority is returned (1);

Parameters:

o - the instance, not null.

Returns:

a priority, by default 1.

getPriority

public static int getPriority(Class type)

Checks the given type optionally annotated with a @Priority. If present the annotation's value s evaluated. If no such annotation is present, a default priority is returned (1);

Parameters:

type - the type, not null.

Returns:

a priority, by default 1.