Package org.jgroups.util

Class Metrics

  • public class Metrics
extends java.lang.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
    Author:
    Bela Ban

    • 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 java.util.function.Predicate<java.lang.reflect.AccessibleObject> IS_NUMBER  

    • Constructor Summary

      Constructors 
      Constructor Description
      Metrics()  

    • Method Summary

      All Methods Static Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      static java.util.Map<java.lang.String,​java.util.Map<java.lang.String,​Metrics.Entry<java.lang.Number>>> convert​(java.util.Map<java.lang.String,​java.util.Map<java.lang.String,​Metrics.Entry<java.lang.Object>>> m)  
      static java.util.Map<java.lang.String,​Metrics.Entry<java.lang.Number>> convertProtocol​(java.util.Map<java.lang.String,​Metrics.Entry<java.lang.Object>> m)  
      static java.util.Map<java.lang.String,​java.util.Map<java.lang.String,​Metrics.Entry<java.lang.Object>>> extract​(JChannel ch)  
      static java.util.Map<java.lang.String,​java.util.Map<java.lang.String,​Metrics.Entry<java.lang.Object>>> extract​(JChannel ch, java.util.function.Predicate<java.lang.reflect.AccessibleObject> filter)  
      static java.util.Map<java.lang.String,​Metrics.Entry<java.lang.Object>> extract​(Protocol p)  
      static java.util.Map<java.lang.String,​Metrics.Entry<java.lang.Object>> extract​(Protocol p, java.util.function.Predicate<java.lang.reflect.AccessibleObject> filter)  
      protected static boolean isNumberAndScalar​(java.lang.reflect.AccessibleObject obj, java.lang.Class<?> cl)  
      protected static boolean isScalar​(java.lang.reflect.AccessibleObject obj)  
      static void main​(java.lang.String[] args)  
      protected static <T> void print​(java.util.Map<java.lang.String,​java.util.Map<java.lang.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 Detail

      • IS_NUMBER

        public static final java.util.function.Predicate<java.lang.reflect.AccessibleObject> IS_NUMBER

    • Constructor Detail

      • Metrics

        public Metrics()

    • Method Detail

      • extract

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

      • extract

        public static java.util.Map<java.lang.String,​java.util.Map<java.lang.String,​Metrics.Entry<java.lang.Object>>> extract​(JChannel ch,
                                                                                                                                  java.util.function.Predicate<java.lang.reflect.AccessibleObject> filter)

      • extract

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

      • extract

        public static java.util.Map<java.lang.String,​Metrics.Entry<java.lang.Object>> extract​(Protocol p,
                                                                                            java.util.function.Predicate<java.lang.reflect.AccessibleObject> filter)

      • start

        protected void start​(boolean numeric)
              throws java.lang.Exception
        Throws:
        java.lang.Exception

      • print

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

      • convert

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

      • convertProtocol

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

      • isNumberAndScalar

        protected static boolean isNumberAndScalar​(java.lang.reflect.AccessibleObject obj,
                                           java.lang.Class<?> cl)

      • isScalar

        protected static boolean isScalar​(java.lang.reflect.AccessibleObject obj)

      • main

        public static void main​(java.lang.String[] args)
                 throws java.lang.Throwable
        Throws:
        java.lang.Throwable