Package org.jgroups.util

Class Metrics

java.lang.Object

org.jgroups.util.Metrics

public class Metrics
extends Object

Extracts all attributes and methods annotated with ManagedAttribute and returns them as a map of names associated with [getter-method/description tuples]. E.g. for an attribute called foo, a method foo() or getFoo() is searched for.

Since:

5.4, 5.3.6

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	Metrics.Entry<T>

Field Summary

Fields

Modifier and Type	Field	Description
protected JChannel	ch
static final Predicate<AccessibleObject>	IS_NUMBER

Constructor Summary

Constructors

Constructor	Description
Metrics()

Method Summary

Modifier and Type	Method	Description
static Map<String,Map<String,Metrics.Entry<Number>>>	convert(Map<String,Map<String,Metrics.Entry<Object>>> m)
static Map<String,Metrics.Entry<Number>>	convertProtocol(Map<String,Metrics.Entry<Object>> m)
static Map<String,Map<String,Metrics.Entry<Object>>>	extract(JChannel ch)
static Map<String,Map<String,Metrics.Entry<Object>>>	extract(JChannel ch, Predicate<AccessibleObject> filter)
static Map<String,Metrics.Entry<Object>>	extract(Protocol p)
static Map<String,Metrics.Entry<Object>>	extract(Protocol p, Predicate<AccessibleObject> filter)
protected static boolean	isNumberAndScalar(AccessibleObject obj, Class<?> cl)
protected static boolean	isScalar(AccessibleObject obj)
static void	main(String[] args)
protected static <T> void	print(Map<String,Map<String,Metrics.Entry<T>>> map)
protected void	start(boolean numeric)

Methods inherited from class java.lang.Object

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

Field Details

ch

protected JChannel ch

IS_NUMBER

public static final Predicate<AccessibleObject> IS_NUMBER

Constructor Details

Metrics

public Metrics()

Method Details

extract

public static Map<String,Map<String,Metrics.Entry<Object>>> extract(JChannel ch)

extract

public static Map<String,Map<String,Metrics.Entry<Object>>> extract(JChannel ch,
 Predicate<AccessibleObject> filter)

extract

public static Map<String,Metrics.Entry<Object>> extract(Protocol p)

extract

public static Map<String,Metrics.Entry<Object>> extract(Protocol p,
 Predicate<AccessibleObject> filter)

start

protected void start(boolean numeric)
              throws Exception

Throws:

Exception

print

protected static <T> void print(Map<String,Map<String,Metrics.Entry<T>>> map)

convert

public static Map<String,Map<String,Metrics.Entry<Number>>> convert(Map<String,Map<String,Metrics.Entry<Object>>> m)

convertProtocol

public static Map<String,Metrics.Entry<Number>> convertProtocol(Map<String,Metrics.Entry<Object>> m)

isNumberAndScalar

protected static boolean isNumberAndScalar(AccessibleObject obj,
 Class<?> cl)

isScalar

protected static boolean isScalar(AccessibleObject obj)

main

public static void main(String[] args)
                 throws Throwable

Throws:

Throwable