org.springframework.jmx.export

## Class SpringModelMBean

- java.lang.Object
- - javax.management.modelmbean.RequiredModelMBean
  - - org.springframework.jmx.export.SpringModelMBean

- All Implemented Interfaces:
    DynamicMBean, MBeanRegistration, ModelMBean, ModelMBeanNotificationBroadcaster, NotificationBroadcaster, NotificationEmitter, PersistentMBean

      public class SpringModelMBean
      extends RequiredModelMBean

  Extension of the `RequiredModelMBean` class that ensures the `thread context ClassLoader` is switched for the managed resource's `ClassLoader` before any invocations occur.
  Since:
    2.0
  Author:
    Rob Harrop
  See Also:
    `RequiredModelMBean`

- - ### Constructor Summary

    Constructors
    Constructor and Description
    `SpringModelMBean()` Construct a new SpringModelMBean instance with an empty `ModelMBeanInfo`.
    `SpringModelMBean(ModelMBeanInfo mbi)` Construct a new SpringModelMBean instance with the given `ModelMBeanInfo`.

  - ### Method Summary

    Methods
    Modifier and Type | Method and Description
    --- | ---
    `Object` | `getAttribute(String attrName)` Switches the `context ClassLoader` for the managed resources `ClassLoader` before allowing the invocation to occur.
    `AttributeList` | `getAttributes(String[] attrNames)` Switches the `context ClassLoader` for the managed resources `ClassLoader` before allowing the invocation to occur.
    `Object` | `invoke(String opName, Object[] opArgs, String[] sig)` Switches the `context ClassLoader` for the managed resources `ClassLoader` before allowing the invocation to occur.
    `void` | `setAttribute(Attribute attribute)` Switches the `context ClassLoader` for the managed resources `ClassLoader` before allowing the invocation to occur.
    `AttributeList` | `setAttributes(AttributeList attributes)` Switches the `context ClassLoader` for the managed resources `ClassLoader` before allowing the invocation to occur.
    `void` | `setManagedResource(Object managedResource, String managedResourceType)` Sets managed resource to expose and stores its `ClassLoader`.

    - ### Methods inherited from class javax.management.modelmbean.RequiredModelMBean

      `addAttributeChangeNotificationListener, addNotificationListener, getClassLoaderRepository, getMBeanInfo, getNotificationInfo, load, postDeregister, postRegister, preDeregister, preRegister, removeAttributeChangeNotificationListener, removeNotificationListener, removeNotificationListener, sendAttributeChangeNotification, sendAttributeChangeNotification, sendNotification, sendNotification, setModelMBeanInfo, store`

    - ### Methods inherited from class java.lang.Object

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

- - ### Constructor Detail

    - #### SpringModelMBean

          public SpringModelMBean()
                           throws MBeanException,
                                  RuntimeOperationsException

      Construct a new SpringModelMBean instance with an empty `ModelMBeanInfo`.
      Throws:
        `MBeanException`
        `RuntimeOperationsException`
      See Also:
        `RequiredModelMBean.RequiredModelMBean()`

    - #### SpringModelMBean

          public SpringModelMBean(ModelMBeanInfo mbi)
                           throws MBeanException,
                                  RuntimeOperationsException

      Construct a new SpringModelMBean instance with the given `ModelMBeanInfo`.
      Throws:
        `MBeanException`
        `RuntimeOperationsException`
      See Also:
        `RequiredModelMBean.RequiredModelMBean(ModelMBeanInfo)`

  - ### Method Detail

    - #### setManagedResource

          public void setManagedResource(Object managedResource,
                                String managedResourceType)
                                  throws MBeanException,
                                         InstanceNotFoundException,
                                         InvalidTargetObjectTypeException

      Sets managed resource to expose and stores its `ClassLoader`.
      Specified by:
        `setManagedResource` in interface `ModelMBean`
      Overrides:
        `setManagedResource` in class `RequiredModelMBean`
      Throws:
        `MBeanException`
        `InstanceNotFoundException`
        `InvalidTargetObjectTypeException`

    - #### invoke

          public Object invoke(String opName,
                      Object[] opArgs,
                      String[] sig)
                        throws MBeanException,
                               ReflectionException

      Switches the `context ClassLoader` for the managed resources `ClassLoader` before allowing the invocation to occur.
      Specified by:
        `invoke` in interface `DynamicMBean`
      Overrides:
        `invoke` in class `RequiredModelMBean`
      Throws:
        `MBeanException`
        `ReflectionException`
      See Also:
        `DynamicMBean.invoke(java.lang.String, java.lang.Object[], java.lang.String[])`

    - #### getAttribute

          public Object getAttribute(String attrName)
                              throws AttributeNotFoundException,
                                     MBeanException,
                                     ReflectionException

      Switches the `context ClassLoader` for the managed resources `ClassLoader` before allowing the invocation to occur.
      Specified by:
        `getAttribute` in interface `DynamicMBean`
      Overrides:
        `getAttribute` in class `RequiredModelMBean`
      Throws:
        `AttributeNotFoundException`
        `MBeanException`
        `ReflectionException`
      See Also:
        `DynamicMBean.getAttribute(java.lang.String)`

    - #### getAttributes

          public AttributeList getAttributes(String[] attrNames)

      Switches the `context ClassLoader` for the managed resources `ClassLoader` before allowing the invocation to occur.
      Specified by:
        `getAttributes` in interface `DynamicMBean`
      Overrides:
        `getAttributes` in class `RequiredModelMBean`
      See Also:
        `DynamicMBean.getAttributes(java.lang.String[])`

    - #### setAttribute

          public void setAttribute(Attribute attribute)
                            throws AttributeNotFoundException,
                                   InvalidAttributeValueException,
                                   MBeanException,
                                   ReflectionException

      Switches the `context ClassLoader` for the managed resources `ClassLoader` before allowing the invocation to occur.
      Specified by:
        `setAttribute` in interface `DynamicMBean`
      Overrides:
        `setAttribute` in class `RequiredModelMBean`
      Throws:
        `AttributeNotFoundException`
        `InvalidAttributeValueException`
        `MBeanException`
        `ReflectionException`
      See Also:
        `DynamicMBean.setAttribute(javax.management.Attribute)`

    - #### setAttributes

          public AttributeList setAttributes(AttributeList attributes)

      Switches the `context ClassLoader` for the managed resources `ClassLoader` before allowing the invocation to occur.
      Specified by:
        `setAttributes` in interface `DynamicMBean`
      Overrides:
        `setAttributes` in class `RequiredModelMBean`
      See Also:
        `DynamicMBean.setAttributes(javax.management.AttributeList)`