Examples of javax.management.AttributeList

javax.management.AttributeList
A list of a MBean attributes.
An AttributeList can be used to get and set multiple MBean attributes in one invocation.
It is an array list that can only contain {@link javax.management.Attribute}s
Note: AttributeLists must be externally synchronized. @see javax.management.Attribute @author Adrian Brock. @version $Revision: 1.2 $

   * @return a simple map of NIO metrics
   */
  protected Map<String, Long> getNio() {
    Map<String, Long> map = new HashMap<String, Long>(NIO_ATTRS.length);
    try {
      AttributeList attrs = ManagementFactory.getPlatformMBeanServer().getAttributes(directNio, NIO_ATTRS);
      for(Attribute attr: attrs.asList()) {
        map.put(attr.getName(), (Long)attr.getValue());
      }
    } catch (Exception e) {
      e.printStackTrace(System.err);
    }

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        // register the platform MBeanServer
        MBeanServer platformMBeanServer = ManagementFactory.getPlatformMBeanServer();
        Hashtable<String, Object> mbeanProps = new Hashtable<String, Object>();
        try {
            ObjectName beanName = ObjectName.getInstance("JMImplementation:type=MBeanServerDelegate");
            AttributeList attrs = platformMBeanServer.getAttributes(beanName,
                new String[] { "MBeanServerId", "SpecificationName",
                    "SpecificationVersion", "SpecificationVendor",
                    "ImplementationName", "ImplementationVersion",
                    "ImplementationVendor" });
            for (Object object : attrs) {

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        }
    }


    private void getAttributeValues (MBeanServerConnection mbsc, String oname, ObjectName objectName, ArrayList<String> attributes, ResmonResult rr) {
        try {
            AttributeList al = mbsc.getAttributes(objectName, attributes.toArray(new String[]{}));
            for (Attribute a : al.asList()) {
                getMetric(oname, a.getName(), a.getValue(), rr);
            }
        }
        catch (Exception e) {
            Jezebel.exceptionTraceLogger(e);

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  @Override
  public AttributeList getAttributes(String[] attributes) {
    updateJmxCache();
    synchronized(this) {
      AttributeList ret = new AttributeList();
      for (String key : attributes) {
        Attribute attr = attrCache.get(key);
        if (LOG.isDebugEnabled()) {
          LOG.debug(key +": "+ attr);
        }
        ret.add(attr);
      }
      return ret;
    }
  }

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            throw new ReflectionException(e);
        }
    }


    public AttributeList getAttributes(String[] attributes) {
        AttributeList results = new AttributeList(attributes.length);
        for (int i = 0; i < attributes.length; i++) {
            String name = attributes[i];
            try {
                Object value = getAttribute(name);
                results.add(new Attribute(name, value));
            } catch (JMException e) {
                log.warn("Exception while getting attribute " + name, e);
            }
        }
        return results;

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        }
        return results;
    }


    public AttributeList setAttributes(AttributeList attributes) {
        AttributeList results = new AttributeList(attributes.size());
        for (Iterator iterator = attributes.iterator(); iterator.hasNext();) {
            Attribute attribute = (Attribute) iterator.next();
            try {
                setAttribute(attribute);
                results.add(attribute);
            } catch (JMException e) {
                log.warn("Exception while setting attribute " + attribute.getName(), e);
            }
        }
        return results;

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            throw new ReflectionException(e);
        }
    }


    public AttributeList getAttributes(String[] attributes) {
        AttributeList results = new AttributeList(attributes.length);
        for (int i = 0; i < attributes.length; i++) {
            String name = attributes[i];
            try {
                Object value = getAttribute(name);
                results.add(new Attribute(name, value));
            } catch (JMException e) {
                log.warn("Exception while getting attribute " + name, e);
            }
        }
        return results;

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        }
        return results;
    }


    public AttributeList setAttributes(AttributeList attributes) {
        AttributeList results = new AttributeList(attributes.size());
        for (Iterator iterator = attributes.iterator(); iterator.hasNext();) {
            Attribute attribute = (Attribute) iterator.next();
            try {
                setAttribute(attribute);
                results.add(attribute);
            } catch (JMException e) {
                log.warn("Exception while setting attribute " + attribute.getName(), e);
            }
        }
        return results;

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        }
    }


    public AttributeList getAttributes(ObjectName name, String[] attributes) throws InstanceNotFoundException, ReflectionException {
        AbstractName abstractName = toAbstractName(name);
        AttributeList attributeList = new AttributeList(attributes.length);
        for (int i = 0; i < attributes.length; i++) {
            String attribute = attributes[i];
            try {
                Object value = kernel.getAttribute(abstractName, attribute);
                attributeList.add(i, new Attribute(attribute, value));
            } catch (NoSuchAttributeException e) {
                // ignored - caller will simply find no value
            } catch (GBeanNotFoundException e) {
                throw new InstanceNotFoundException(name.getCanonicalName());
            } catch (InternalKernelException e) {

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        }
    }


    public AttributeList setAttributes(ObjectName name, AttributeList attributes) throws InstanceNotFoundException, ReflectionException {
        AbstractName abstractName = toAbstractName(name);
        AttributeList set = new AttributeList(attributes.size());
        for (Iterator iterator = attributes.iterator(); iterator.hasNext();) {
            Attribute attribute = (Attribute) iterator.next();
            String attributeName = attribute.getName();
            Object attributeValue = attribute.getValue();
            try {
                kernel.setAttribute(abstractName, attributeName, attributeValue);
                set.add(attribute);
            } catch (NoSuchAttributeException e) {
                // ignored - caller will see value was not set because this attribute will not be in the attribute list
            } catch (GBeanNotFoundException e) {
                throw new InstanceNotFoundException(name.getCanonicalName());
            } catch (InternalKernelException e) {

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