Examples of org.objectweb.celtix.management.Instrumentation

org.objectweb.celtix.management.Instrumentation
Basic interface for representing a Instrumented object.

    
    // find out the related JMX managed component do register and unregister things   
     
    public void processEvent(BusEvent event) throws BusException {
        if (meFilter.isEventEnabled(event)) {
            Instrumentation instrumentation = (Instrumentation)event.getSource();
                
            if (meFilter.isCreateEvent(event)) {
                    
                ModelMBeanInfo mbi = mbAssembler.getModelMbeanInfo(instrumentation.getClass());
                
                if (mbi != null) {                    
                    RequiredModelMBean rtMBean;
                    try {
                                                
                        rtMBean = (RequiredModelMBean)mbs.instantiate(
                            "javax.management.modelmbean.RequiredModelMBean");
                                       
                        rtMBean.setModelMBeanInfo(mbi);
                        
                        rtMBean.setManagedResource(instrumentation, "ObjectReference");
                                               
                        registerMBean(rtMBean,
                            JMXUtils.getObjectName(instrumentation.getInstrumentationName(),
                                                   instrumentation.getUniqueInstrumentationName(),
                                                   busID));
                                               
                        if (LOG.isLoggable(Level.INFO)) {
                            LOG.info("registered the object to MBserver " 
                                               + instrumentation.getUniqueInstrumentationName());
                        } 
                            
                           
                    } catch (ReflectionException e) {
                        LOG.log(Level.SEVERE, "INSTANTIANTE_FAILURE_MSG", new Object[]{e});
                    } catch (MBeanException e) {
                        LOG.log(Level.SEVERE, "MBEAN_FAILURE_MSG", new Object[]{e});
                    } catch (InstanceNotFoundException e) {
                        LOG.log(Level.SEVERE, "SET_MANAGED_RESOURCE_FAILURE_MSG", new Object[]{e});
                    } catch (InvalidTargetObjectTypeException e) {
                        LOG.log(Level.SEVERE, "SET_MANAGED_RESOURCE_FAILURE_MSG", new Object[]{e});
                    }
                } else {
                    LOG.log(Level.SEVERE, "GET_MANAGED_INFORMATION_FAILURE_MSG", 
                            new Object[]{instrumentation.getInstrumentationName()});
                }                
            }                


           
            if (meFilter.isRemovedEvent(event)) {
               // unregist the component and distroy it.
                ObjectName name;                 
                name = JMXUtils.getObjectName(instrumentation.getInstrumentationName(),
                    instrumentation.getUniqueInstrumentationName(),
                    busID);               
                unregisterMBean(name);
                if (LOG.isLoggable(Level.INFO)) {
                    LOG.info("unregistered the object to MBserver" 
                                       + instrumentation.getUniqueInstrumentationName());
                }   
                    
            }  
        }       
    }

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        }        
    }


    public void unregister(Object component) {
        for (Iterator<Instrumentation> i = instrumentations.iterator(); i.hasNext();) {
            Instrumentation it = i.next();
            if (it.getComponent() == component) {
                i.remove();   
                if (it != null) {
                    //create the instrumentation remove event           
                    bus.sendEvent(new InstrumentationRemovedEvent(it));               
                }

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        }
    }


    // get the instance and create the right component
    public void processEvent(BusEvent e) throws BusException {
        Instrumentation it;
        if (e.getID().equals(ComponentCreatedEvent.COMPONENT_CREATED_EVENT)) {            
            it = createInstrumentation(e.getSource());
            if (LOG.isLoggable(Level.INFO)) {
                LOG.info("Instrumentation register " + e.getSource().getClass().getName());
            }

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        }
    }
    
    
    private Instrumentation createInstrumentation(Object component) {
        Instrumentation it = null;
        // if the componenet implements the instrumentation interface, 
        // just return the object itself
        
        if (Instrumentation.class.isAssignableFrom(component.getClass())) {
            it = (Instrumentation)component;

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        //create with bus , this test could be failed.
        List<Instrumentation> list = im.getAllInstrumentation();   
        //NOTE: change for the BindingManager and TransportFactoryManager instrumentation 
        // create with the bus.
        assertEquals("Too many instrumented items", 4, list.size());
        Instrumentation it1 = list.get(2);
        Instrumentation it2 = list.get(3);
        assertTrue("Item 1 not a WorkQueueInstrumentation",
                   WorkQueueInstrumentation.class.isAssignableFrom(it1.getClass()));
        assertTrue("Item 2 not a WorkQueueInstrumentation",
                   WorkQueueInstrumentation.class.isAssignableFrom(it2.getClass()));
        
        // not check for the instrumentation unique name
        // sleep for the MBServer connector thread startup 
        try {
            Thread.sleep(100);

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        List<Instrumentation> list = im.getAllInstrumentation();
        assertEquals("Not exactly the number of instrumented item", 3, list.size());
        
        // get the ati for more assert
        Instrumentation instr = list.get(2);
        assertEquals("Not exactly the name of AnnotationTestInstrumentation",
                     "AnnotationTestInstrumentation",
                     instr.getInstrumentationName());
        bus.sendEvent(new ComponentRemovedEvent(ati));
        assertEquals("AnnotationTestInstrumented stuff not removed from list", 2, list.size());
        bus.shutdown(true);
        assertEquals("Instrumented stuff not removed from list", 0, list.size());

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        List<Instrumentation> list = im.getAllInstrumentation();
        assertEquals("Not exactly the number of instrumented item", 3, list.size());
        
        // get the ati for more assert
        Instrumentation instr = list.get(2);
        assertEquals("Not exactly the name of AnnotationTestInstrumentation",
                     "AnnotationTestInstrumentation",
                     instr.getInstrumentationName());
        im.unregister(ati);
        assertEquals("AnnotationTestInstrumented stuff not removed from list", 2, list.size());
        bus.shutdown(true);
        assertEquals("Instrumented stuff not removed from list", 0, list.size());
    }

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Related Classes of org.objectweb.celtix.management.Instrumentation

org.objectweb.celtix.bus.management.InstrumentationManagerImpl

org.objectweb.celtix.bus.management.InstrumentationManagerTest

org.objectweb.celtix.bus.management.jmx.JMXManagedComponentManager

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