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com.acelet.s.dashboard
Class DynamicAttribute

java.lang.Object
  com.acelet.s.dashboard.DynamicAttribute

public abstract class DynamicAttribute
extends java.lang.Object

This is the class for providing dynamic attribute for setAttribute method for MBean.
Users must provide an implementation for method getAttribute to specify the attribute value.

Example:

 public class RandomIntDynamicAttribute extends DynamicAttribute {
   static Random random = new Random();
 
   public Attribute getAttribute(String attributeName) throws InvalidArgumentException {
     int value = random.nextInt(10);
     if (value < 0)
       value = -value;
     Integer integer = new Integer(value);
     return new Attribute(attributeName, integer);
   }
 }
 

Field Summary

static Envoy

envoy envoy is a static variable of Envoy.

Constructor Summary

DynamicAttribute()

Method Summary

abstract javax.management.Attribute

getAttribute(java.lang.String attributeName) getAttribute is a user defined method.

Methods inherited from class java.lang.Object

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

Field Detail

envoy

public static Envoy envoy

envoy is a static variable of Envoy. It is initialized by the system and can be used to perform related tasks.

Constructor Detail

DynamicAttribute

public DynamicAttribute()

Method Detail

getAttribute

public abstract javax.management.Attribute getAttribute(java.lang.String attributeName)
                                                 throws com.acelet.s.dashboard.InvalidArgumentException

getAttribute is a user defined method. It provide dynamic attribute.

Parameters:

attributeName - The name of the required attribute.

Returns:

the Attribute.

Throws:

InvalidArgumentException.

com.acelet.s.dashboard.InvalidArgumentException