org.springframework.jmx.export
Class SpringModelMBean

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

All Implemented Interfaces:

javax.management.DynamicMBean, javax.management.MBeanRegistration, javax.management.modelmbean.ModelMBean, javax.management.modelmbean.ModelMBeanNotificationBroadcaster, javax.management.NotificationBroadcaster, javax.management.NotificationEmitter, javax.management.PersistentMBean

public class SpringModelMBean
extends javax.management.modelmbean.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

Field Summary

private java.lang.ClassLoader

managedResourceClassLoader Stores the ClassLoader to use for invocations.

Constructor Summary

SpringModelMBean()
Construct a new SpringModelMBean instance with an empty ModelMBeanInfo.

SpringModelMBean(javax.management.modelmbean.ModelMBeanInfo mbi)
Construct a new SpringModelMBean instance with the given ModelMBeanInfo.

Method Summary

java.lang.Object	getAttribute(java.lang.String attrName) Switches the context ClassLoader for the managed resources ClassLoader before allowing the invocation to occur.
javax.management.AttributeList	getAttributes(java.lang.String[] attrNames) Switches the context ClassLoader for the managed resources ClassLoader before allowing the invocation to occur.
java.lang.Object	invoke(java.lang.String opName, java.lang.Object[] opArgs, java.lang.String[] sig) Switches the context ClassLoader for the managed resources ClassLoader before allowing the invocation to occur.
void	setAttribute(javax.management.Attribute attribute) Switches the context ClassLoader for the managed resources ClassLoader before allowing the invocation to occur.
javax.management.AttributeList	setAttributes(javax.management.AttributeList attributes) Switches the context ClassLoader for the managed resources ClassLoader before allowing the invocation to occur.
void	setManagedResource(java.lang.Object managedResource, java.lang.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

Field Detail

managedResourceClassLoader

private java.lang.ClassLoader managedResourceClassLoader

Stores the ClassLoader to use for invocations. Defaults to the current thread ClassLoader.

Constructor Detail

SpringModelMBean

public SpringModelMBean()
                 throws javax.management.MBeanException,
                        javax.management.RuntimeOperationsException

Construct a new SpringModelMBean instance with an empty ModelMBeanInfo.

Throws:

javax.management.MBeanException

javax.management.RuntimeOperationsException

See Also:

RequiredModelMBean.RequiredModelMBean()

SpringModelMBean

public SpringModelMBean(javax.management.modelmbean.ModelMBeanInfo mbi)
                 throws javax.management.MBeanException,
                        javax.management.RuntimeOperationsException

Construct a new SpringModelMBean instance with the given ModelMBeanInfo.

Throws:

javax.management.MBeanException

javax.management.RuntimeOperationsException

See Also:

RequiredModelMBean.RequiredModelMBean(ModelMBeanInfo)

Method Detail

setManagedResource

public void setManagedResource(java.lang.Object managedResource,
                               java.lang.String managedResourceType)
                        throws javax.management.MBeanException,
                               javax.management.InstanceNotFoundException,
                               javax.management.modelmbean.InvalidTargetObjectTypeException

Sets managed resource to expose and stores its ClassLoader.

Specified by:

setManagedResource in interface javax.management.modelmbean.ModelMBean

Overrides:

setManagedResource in class javax.management.modelmbean.RequiredModelMBean

Throws:

javax.management.MBeanException

javax.management.InstanceNotFoundException

javax.management.modelmbean.InvalidTargetObjectTypeException

invoke

public java.lang.Object invoke(java.lang.String opName,
                               java.lang.Object[] opArgs,
                               java.lang.String[] sig)
                        throws javax.management.MBeanException,
                               javax.management.ReflectionException

Switches the context ClassLoader for the managed resources ClassLoader before allowing the invocation to occur.

Specified by:

invoke in interface javax.management.DynamicMBean

Overrides:

invoke in class javax.management.modelmbean.RequiredModelMBean

Throws:

javax.management.MBeanException

javax.management.ReflectionException

See Also:

DynamicMBean.invoke(java.lang.String, java.lang.Object[], java.lang.String[])

getAttribute

public java.lang.Object getAttribute(java.lang.String attrName)
                              throws javax.management.AttributeNotFoundException,
                                     javax.management.MBeanException,
                                     javax.management.ReflectionException

Switches the context ClassLoader for the managed resources ClassLoader before allowing the invocation to occur.

Specified by:

getAttribute in interface javax.management.DynamicMBean

Overrides:

getAttribute in class javax.management.modelmbean.RequiredModelMBean

Throws:

javax.management.AttributeNotFoundException

javax.management.MBeanException

javax.management.ReflectionException

See Also:

DynamicMBean.getAttribute(java.lang.String)

getAttributes

public javax.management.AttributeList getAttributes(java.lang.String[] attrNames)

Switches the context ClassLoader for the managed resources ClassLoader before allowing the invocation to occur.

Specified by:

getAttributes in interface javax.management.DynamicMBean

Overrides:

getAttributes in class javax.management.modelmbean.RequiredModelMBean

See Also:

DynamicMBean.getAttributes(java.lang.String[])

setAttribute

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

Switches the context ClassLoader for the managed resources ClassLoader before allowing the invocation to occur.

Specified by:

setAttribute in interface javax.management.DynamicMBean

Overrides:

setAttribute in class javax.management.modelmbean.RequiredModelMBean

Throws:

javax.management.AttributeNotFoundException

javax.management.InvalidAttributeValueException

javax.management.MBeanException

javax.management.ReflectionException

See Also:

DynamicMBean.setAttribute(javax.management.Attribute)

setAttributes

public javax.management.AttributeList setAttributes(javax.management.AttributeList attributes)

Switches the context ClassLoader for the managed resources ClassLoader before allowing the invocation to occur.

Specified by:

setAttributes in interface javax.management.DynamicMBean

Overrides:

setAttributes in class javax.management.modelmbean.RequiredModelMBean

See Also:

DynamicMBean.setAttributes(javax.management.AttributeList)