Package org.jgroups.jmx

Class ResourceDMBean

  • All Implemented Interfaces:
    javax.management.DynamicMBean
    public class ResourceDMBean
extends java.lang.Object
implements javax.management.DynamicMBean
    A DynamicMBean wrapping an annotated object instance and exposing attributes annotated with @ManagedAttribute and operations annotated with @ManagedOperation.
    Author:
    Chris Mills, Vladimir Blagojevic, Bela Ban
    See Also:
    ManagedAttribute, ManagedOperation, MBean

    • Field Summary

      Fields 
      Modifier and Type Field Description
      protected javax.management.MBeanAttributeInfo[] attrInfo  
      protected java.util.HashMap<java.lang.String,​ResourceDMBean.AttributeEntry> atts  
      protected java.util.List<java.lang.Object> components  
      protected boolean expose_all  
      protected static java.util.function.Predicate<java.lang.reflect.AccessibleObject> FILTER  
      protected Log log  
      protected java.lang.Object obj  
      protected static java.util.List<java.lang.reflect.Method> OBJECT_METHODS  
      protected javax.management.MBeanOperationInfo[] opInfo  
      protected java.util.List<javax.management.MBeanOperationInfo> ops  
      protected static java.lang.Class<?>[] primitives  

    • Constructor Summary

      Constructors 
      Constructor Description
      ResourceDMBean​(java.lang.Object instance)  
      ResourceDMBean​(java.lang.Object instance, java.util.function.Predicate<java.lang.reflect.AccessibleObject> filter)  

    • Method Summary

      All Methods Static Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      static void dumpStats​(java.lang.Object obj, java.lang.String prefix, java.util.Map<java.lang.String,​java.lang.Object> map)  
      static void dumpStats​(java.lang.Object obj, java.util.Map<java.lang.String,​java.lang.Object> map)  
      protected void exposeManagedAttribute​(java.lang.reflect.Method method, java.lang.Object instance, java.lang.String prefix)  
      protected void findFields​(java.lang.Object instance, java.util.function.Predicate<java.lang.reflect.AccessibleObject> filter, java.lang.String prefix)  
      protected static ResourceDMBean.Accessor findGetter​(java.lang.Object target, java.lang.String attr_name)
      Finds an accessor for an attribute.
      protected void findMethods​(java.lang.Object instance, java.util.function.Predicate<java.lang.reflect.AccessibleObject> filter, java.lang.String prefix)  
      static ResourceDMBean.Accessor findSetter​(java.lang.Object target, java.lang.String attr_name)
      Finds an accessor for an attribute.
      protected void fixFields​(java.lang.Object instance)
      Provides field-based getter and/or setters for all attributes in attrs if not present
      void forAllAttributes​(java.util.function.BiConsumer<java.lang.String,​ResourceDMBean.AttributeEntry> c)  
      java.lang.Object getAttribute​(java.lang.String name)  
      javax.management.AttributeList getAttributes​(java.lang.String[] names)  
      protected static java.lang.Class<?> getClassForName​(java.lang.String name)  
      javax.management.MBeanInfo getMBeanInfo()  
      protected javax.management.Attribute getNamedAttribute​(java.lang.String name)  
      protected static java.util.concurrent.TimeUnit getTimeUnit​(java.lang.reflect.AccessibleObject ao)  
      protected static AttributeType getType​(java.lang.reflect.AccessibleObject ao)  
      java.lang.Object invoke​(java.lang.String name, java.lang.Object[] args, java.lang.String[] sig)  
      static boolean isFractional​(java.lang.Class<?> cl)  
      static boolean isGetMethod​(java.lang.reflect.Method method)  
      static boolean isIsMethod​(java.lang.reflect.Method method)  
      static boolean isNumber​(java.lang.Class<?> cl)  
      static boolean isNumeric​(java.lang.Class<?> cl)  
      static boolean isSetMethod​(java.lang.reflect.Method method)  
      protected static java.lang.String prefix​(java.lang.String s, java.lang.String prefix)  
      static java.lang.String prettyPrint​(java.lang.Object val, java.lang.reflect.AccessibleObject a)  
      void setAttribute​(javax.management.Attribute attribute)  
      javax.management.AttributeList setAttributes​(javax.management.AttributeList list)  
      protected boolean setNamedAttribute​(javax.management.Attribute attribute)  
      protected static java.lang.String toLowerCase​(java.lang.String input)
      Returns a string with the first letter being lowercase

      • Methods inherited from class java.lang.Object

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

    • Field Detail

      • primitives

        protected static final java.lang.Class<?>[] primitives

      • OBJECT_METHODS

        protected static final java.util.List<java.lang.reflect.Method> OBJECT_METHODS

      • expose_all

        protected final boolean expose_all

      • log

        protected final Log log

      • obj

        protected final java.lang.Object obj

      • components

        protected java.util.List<java.lang.Object> components

      • attrInfo

        protected final javax.management.MBeanAttributeInfo[] attrInfo

      • opInfo

        protected final javax.management.MBeanOperationInfo[] opInfo

      • ops

        protected final java.util.List<javax.management.MBeanOperationInfo> ops

      • FILTER

        protected static final java.util.function.Predicate<java.lang.reflect.AccessibleObject> FILTER

    • Constructor Detail

      • ResourceDMBean

        public ResourceDMBean​(java.lang.Object instance)

      • ResourceDMBean

        public ResourceDMBean​(java.lang.Object instance,
                      java.util.function.Predicate<java.lang.reflect.AccessibleObject> filter)

    • Method Detail

      • getMBeanInfo

        public javax.management.MBeanInfo getMBeanInfo()
        Specified by:
        getMBeanInfo in interface javax.management.DynamicMBean

      • getAttribute

        public java.lang.Object getAttribute​(java.lang.String name)
        Specified by:
        getAttribute in interface javax.management.DynamicMBean

      • setAttribute

        public void setAttribute​(javax.management.Attribute attribute)
        Specified by:
        setAttribute in interface javax.management.DynamicMBean

      • getAttributes

        public javax.management.AttributeList getAttributes​(java.lang.String[] names)
        Specified by:
        getAttributes in interface javax.management.DynamicMBean

      • setAttributes

        public javax.management.AttributeList setAttributes​(javax.management.AttributeList list)
        Specified by:
        setAttributes in interface javax.management.DynamicMBean

      • invoke

        public java.lang.Object invoke​(java.lang.String name,
                               java.lang.Object[] args,
                               java.lang.String[] sig)
                        throws javax.management.MBeanException,
                               javax.management.ReflectionException
        Specified by:
        invoke in interface javax.management.DynamicMBean
        Throws:
        javax.management.MBeanException
        javax.management.ReflectionException

      • isSetMethod

        public static boolean isSetMethod​(java.lang.reflect.Method method)

      • isGetMethod

        public static boolean isGetMethod​(java.lang.reflect.Method method)

      • isIsMethod

        public static boolean isIsMethod​(java.lang.reflect.Method method)

      • dumpStats

        public static void dumpStats​(java.lang.Object obj,
                             java.util.Map<java.lang.String,​java.lang.Object> map)

      • dumpStats

        public static void dumpStats​(java.lang.Object obj,
                             java.lang.String prefix,
                             java.util.Map<java.lang.String,​java.lang.Object> map)

      • prettyPrint

        public static java.lang.String prettyPrint​(java.lang.Object val,
                                           java.lang.reflect.AccessibleObject a)

      • isNumeric

        public static boolean isNumeric​(java.lang.Class<?> cl)

      • isFractional

        public static boolean isFractional​(java.lang.Class<?> cl)

      • isNumber

        public static boolean isNumber​(java.lang.Class<?> cl)

      • getType

        protected static AttributeType getType​(java.lang.reflect.AccessibleObject ao)

      • getTimeUnit

        protected static java.util.concurrent.TimeUnit getTimeUnit​(java.lang.reflect.AccessibleObject ao)

      • getClassForName

        protected static java.lang.Class<?> getClassForName​(java.lang.String name)
                                             throws java.lang.ClassNotFoundException
        Throws:
        java.lang.ClassNotFoundException

      • findMethods

        protected void findMethods​(java.lang.Object instance,
                           java.util.function.Predicate<java.lang.reflect.AccessibleObject> filter,
                           java.lang.String prefix)

      • fixFields

        protected void fixFields​(java.lang.Object instance)
        Provides field-based getter and/or setters for all attributes in attrs if not present

      • exposeManagedAttribute

        protected void exposeManagedAttribute​(java.lang.reflect.Method method,
                                      java.lang.Object instance,
                                      java.lang.String prefix)

      • prefix

        protected static java.lang.String prefix​(java.lang.String s,
                                         java.lang.String prefix)

      • findGetter

        protected static ResourceDMBean.Accessor findGetter​(java.lang.Object target,
                                                    java.lang.String attr_name)
        Finds an accessor for an attribute. Tries to find getAttrName(), isAttrName(), attrName() methods. If not found, tries to use reflection to get the value of attr_name. If still not found, creates a NullAccessor.

      • findSetter

        public static ResourceDMBean.Accessor findSetter​(java.lang.Object target,
                                                 java.lang.String attr_name)
        Finds an accessor for an attribute. Tries to find setAttrName(), attrName() methods. If not found, tries to use reflection to set the value of attr_name. If still not found, creates a NullAccessor.

      • toLowerCase

        protected static java.lang.String toLowerCase​(java.lang.String input)
        Returns a string with the first letter being lowercase

      • findFields

        protected void findFields​(java.lang.Object instance,
                          java.util.function.Predicate<java.lang.reflect.AccessibleObject> filter,
                          java.lang.String prefix)

      • getNamedAttribute

        protected javax.management.Attribute getNamedAttribute​(java.lang.String name)

      • setNamedAttribute

        protected boolean setNamedAttribute​(javax.management.Attribute attribute)