Examples of javax.management.MBeanInfo$ArrayGettersSafeAction

javax.management.MBeanInfo
Describes the management interface exposed by an MBean; that is, the set of attributes and operations which are available for management operations. Instances of this class are immutable. Subclasses may be mutable but this is not recommended.

Usually the {@code MBeanInfo} for any given MBean doesnot change over the lifetime of that MBean. Dynamic MBeans can change their {@code MBeanInfo} and in that case it is recommended that they emit a {@link Notification} with a {@linkplain Notification#getType() type} of {@code "jmx.mbean.info.changed"} and a {@linkplain Notification#getUserData() userData} that is the new {@code MBeanInfo}. This is not required, but provides a conventional way for clients of the MBean to discover the change. See also the immutableInfo and infoTimeout fields in the {@code MBeanInfo} {@link Descriptor}.

The contents of the MBeanInfo for a Dynamic MBean are determined by its {@link DynamicMBean#getMBeanInfo getMBeanInfo()} method. This includes Open MBeans and ModelMBeans, which are kinds of Dynamic MBeans.

The contents of the MBeanInfo for a Standard MBean are determined by the MBean server as follows:
- {@link #getClassName()} returns the Java class name of the MBeanobject;
- {@link #getConstructors()} returns the list of all publicconstructors in that object;
- {@link #getAttributes()} returns the list of all attributeswhose existence is deduced from the presence in the MBean interface of a getName, isName, or setName method that conforms to the conventions for Standard MBeans;
- {@link #getOperations()} returns the list of all methods inthe MBean interface that do not represent attributes;
- {@link #getNotifications()} returns an empty array if the MBeandoes not implement the {@link NotificationBroadcaster} interface,otherwise the result of calling {@link NotificationBroadcaster#getNotificationInfo()} on it;
- {@link #getDescriptor()} returns a descriptor containing the contentsof any descriptor annotations in the MBean interface (see {@link DescriptorKey @DescriptorKey}).
The description returned by {@link #getDescription()} and thedescriptions of the contained attributes and operations are not specified.

The remaining details of the MBeanInfo for a Standard MBean are not specified. This includes the description of any contained constructors, and notifications; the names of parameters to constructors and operations; and the descriptions of constructor parameters.
@since 1.5

            MBeanGBeanBridge mbeanGBeanBridge = null;
            synchronized (this) {
                if (registry.containsKey(objectName)) {
                    return;
                }
                MBeanInfo mbeanInfo = JMXUtil.toMBeanInfo(kernel.getGBeanInfo(objectName));
                mbeanGBeanBridge = new MBeanGBeanBridge(kernel, objectName, mbeanInfo);
                registry.put(objectName, mbeanGBeanBridge);
            }
            mbeanServer.registerMBean(mbeanGBeanBridge, objectName);
        } catch (GBeanNotFoundException e) {

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                        while ( iter.hasNext() && this.next == null ) {
                            final String name = iter.next();
                            if ( name.startsWith(":") ) {
                                try {
                                    final ObjectName on = new ObjectName(name.substring(1));
                                    final MBeanInfo info = mbeanServer.getMBeanInfo(on);
                                    final String path = convertObjectNameToResourcePath(on);
                                    final int sep = path.lastIndexOf('/');
                                    this.next = new MBeanResource(mbeanServer, parent.getResourceResolver(), path, parent.getPath() + "/" + path.substring(sep + 1), info, on);
                                } catch (final IntrospectionException e) {
                                    // ignore

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                // MBean name / path
                String checkPath = subPath;
                String pathInfo = null;


                ObjectName objectName = null;
                MBeanInfo mbi = null;


                while ( checkPath.length() > 0 && mbi == null ) {
                    try {
                        objectName = this.convertResourcePathToObjectName(checkPath);
                        if ( objectName != null ) {

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     *
     * @see javax.management.DynamicMBean#getMBeanInfo()
     */
    public MBeanInfo getMBeanInfo() {
        if ( statistics == null ) {
            return new MBeanInfo(this.getClass().getName(),
                "Repository Statistics Unavailable", null, null, null, null);
        }
        List<MBeanAttributeInfo> attributesList = new ArrayList<MBeanAttributeInfo>();
        Set<String> typeNames = new HashSet<String>();
        Iterator<Entry<String, TimeSeries>> statIter = statistics.iterator();
        while (statIter.hasNext()) {
            Entry<String, TimeSeries> entry = statIter.next();
            attributesList.add(new MBeanAttributeInfo("PerSecond_"
                    + entry.getKey(), long.class.getName(),
                    "Current per second value of " + entry.getKey(),
                    true, false, false));
            attributesList.add(new MBeanAttributeInfo("LastMinutePerSecond_"
                    + entry.getKey(), long[].class.getName(),
                    "Last minute of per seconds values of "
                            + entry.getKey(), true, false, false));
            attributesList.add(new MBeanAttributeInfo("PerMinute"
                    + entry.getKey(), long.class.getName(),
                    "Current per minute value of " + entry.getKey(),
                    true, false, false));
            attributesList.add(new MBeanAttributeInfo("LastHourPerMinute_"
                    + entry.getKey(), long[].class.getName(),
                    "Last hour of per minute values of "
                            + entry.getKey(), true, false, false));
            attributesList.add(new MBeanAttributeInfo("PerHour_"
                    + entry.getKey(), long.class.getName(),
                    "Current per hour value of " + entry.getKey(), true,
                    false, false));
            attributesList.add(new MBeanAttributeInfo("LastWeekPerHour_"
                    + entry.getKey(), long[].class.getName(),
                    "Last week of per hour values of " + entry.getKey(),
                    true, false, false));
            attributesList.add(new MBeanAttributeInfo("PerWeek_"
                    + entry.getKey(), long.class.getName(),
                    "Current per week value of " + entry.getKey(), true,
                    false, false));
            attributesList.add(new MBeanAttributeInfo("LastYearPerWeek_"
                    + entry.getKey(), long[].class.getName(),
                    "Last year of per week values of " + entry.getKey(),
                    true, false, false));
            typeNames.add(entry.getKey());
        }
        for (Type t : Type.values()) {
            final String name = t.name();
            if (!typeNames.contains(name)) {
                attributesList.add(new MBeanAttributeInfo(name, long.class
                        .getName(), "Current counter value of " + name,
                        true, false, false));
                typeNames.add(name);
            }
        }
        MBeanAttributeInfo[] attributes = attributesList
                .toArray(new MBeanAttributeInfo[attributesList.size()]);
        return new MBeanInfo(this.getClass().getName(),
                "Repository Statistics", attributes, null, null, null);
    }

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   * @throws IntrospectionException 
   * @throws InstanceNotFoundException 
   */
  private List<Signature> getSignatures(ObjectName objectName)throws InstanceNotFoundException, IntrospectionException, ReflectionException, IOException{
    List<Signature> methods=new ArrayList<Signature>();
    MBeanInfo minfo;
    MBeanAttributeInfo[] attributes=null;
      minfo = mbeanServer.getMBeanInfo(objectName);
      attributes=minfo.getAttributes();
    
    for (MBeanAttributeInfo info : attributes) {
      String name=info.getName().substring(0, 1).toUpperCase()+info.getName().substring(1);
      if(info.isReadable()){
        //For each readable attribute, we generate a getter method (following the isXX for booleans
        //when it is being used on the remote side)
      if(info.isIs()){
        methods.add(new Signature("is"+name, Type.BOOLEAN_TYPE, new Type[0]));
      }
      else{
        try{
        methods.add(new Signature("get"+name, getType(info.getType()), new Type[0]));
        }catch(ClassNotFoundException cnfe){
          System.out.println("JMXINTROSPECTOR WARNING: "+info.getType()+" could not be found. Attribute will not be added to proxy.");
          continue;
        }  
        }
      }
      //Same with each writable att, but with setters.
      if(info.isWritable()){
        try{
        Type [] params=new Type[]{getType(info.getType())};
        Signature s=new Signature("set"+name, Type.VOID_TYPE, params);
        methods.add(s);
        }catch(ClassNotFoundException cnfe){
          System.out.println("JMXINTROSPECTOR WARNING: "+info.getType()+" could not be found. Attribute will not be added to proxy.");
          continue;
        }  
      }
    }
    //same for each operation
    for (MBeanOperationInfo info : minfo.getOperations()) {
      try{
      Type[] params=new Type[info.getSignature().length];
      for (int i = 0; i < params.length; i++) {
        params[i]=getType(info.getSignature()[i].getType());
      }

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   * @throws Exception
   */
  public Object newProxyInstance(String oname) throws MalformedObjectNameException, InstanceNotFoundException, IntrospectionException, ReflectionException, IOException{
    ObjectName objectName=ObjectName.getInstance(oname);
    Class iface=getInterface(oname);
    MBeanInfo info=mbeanServer.getMBeanInfo(objectName);
    boolean isBroadcaster=false;
    MBeanNotificationInfo[] notifs=info.getNotifications();
    if (notifs!=null && notifs.length!=0) isBroadcaster=true;
    //We first create the proxy for the remote mbean. If broadcasting supported, then it adds the broadcasting interface
    Object proxy=MBeanServerInvocationHandler.newProxyInstance(mbeanServer, objectName, iface, isBroadcaster);
    //We get the underlying invocation handler, needed for the wrapper handler. The wrapper adds the mbean interface functionality
    //and integrates JMX invocation handler.

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      throw new MBeanException(e);
    }
  }


  public synchronized MBeanInfo getMBeanInfo() {
    return new MBeanInfo(getObject().getClass().getCanonicalName(),
                description,
                attrInfo,
                null,
                opInfo,
                null);

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            }
            dNotification = lNotifications
                .toArray(new MBeanNotificationInfo[lNotifications.size()]);
        }


        m_mBeanInfo = new MBeanInfo(this.m_className, dDescription,
            dAttributes, null, // No constructor
            dOperations, dNotification);
    }

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   private MBeanInfo getDynamicMBeanInfo(MBeanMetaData metadata)
   {
      Logger logger = getLogger();


      MBeanInfo info = null;
      
    try {
     info = ((DynamicMBean) metadata.mbean).getMBeanInfo();
    } catch (Exception x) {
       if (logger.isEnabledFor(Logger.DEBUG)) logger.debug("getMBeanInfo threw: " + x.toString());

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      MBeanOperationInfo[] opers = createMBeanOperationInfo(metadata, description);
      if (opers == null) return null;
      MBeanNotificationInfo[] notifs = createMBeanNotificationInfo(metadata);
      if (notifs == null) return null;


      return new MBeanInfo(metadata.mbean.getClass().getName(), description.getMBeanDescription(), attrs, ctors, opers, notifs);
   }

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