Java™ Platform
Standard Ed. 6

javax.management
Interface DynamicMBean

All Known Subinterfaces:
ModelMBean
All Known Implementing Classes:
RequiredModelMBean, StandardEmitterMBean, StandardMBean

public interface DynamicMBean

Defines the methods that should be implemented by a Dynamic MBean (MBean that exposes a dynamic management interface).

Since:
1.5

Method Summary
 Object getAttribute(String attribute)
          Obtain the value of a specific attribute of the Dynamic MBean.
 AttributeList getAttributes(String[] attributes)
          Get the values of several attributes of the Dynamic MBean.
 MBeanInfo getMBeanInfo()
          Provides the exposed attributes and actions of the Dynamic MBean using an MBeanInfo object.
 Object invoke(String actionName, Object[] params, String[] signature)
          Allows an action to be invoked on the Dynamic MBean.
 void setAttribute(Attribute attribute)
          Set the value of a specific attribute of the Dynamic MBean.
 AttributeList setAttributes(AttributeList attributes)
          Sets the values of several attributes of the Dynamic MBean.
 

Method Detail

getAttribute

Object getAttribute(String attribute)
                    throws AttributeNotFoundException,
                           MBeanException,
                           ReflectionException
Obtain the value of a specific attribute of the Dynamic MBean.

Parameters:
attribute - The name of the attribute to be retrieved
Returns:
The value of the attribute retrieved.
Throws:
AttributeNotFoundException
MBeanException - Wraps a java.lang.Exception thrown by the MBean's getter.
ReflectionException - Wraps a java.lang.Exception thrown while trying to invoke the getter.
See Also:
setAttribute(javax.management.Attribute)

setAttribute

void setAttribute(Attribute attribute)
                  throws AttributeNotFoundException,
                         InvalidAttributeValueException,
                         MBeanException,
                         ReflectionException
Set the value of a specific attribute of the Dynamic MBean.

Parameters:
attribute - The identification of the attribute to be set and the value it is to be set to.
Throws:
AttributeNotFoundException
InvalidAttributeValueException
MBeanException - Wraps a java.lang.Exception thrown by the MBean's setter.
ReflectionException - Wraps a java.lang.Exception thrown while trying to invoke the MBean's setter.
See Also:
getAttribute(java.lang.String)

getAttributes

AttributeList getAttributes(String[] attributes)
Get the values of several attributes of the Dynamic MBean.

Parameters:
attributes - A list of the attributes to be retrieved.
Returns:
The list of attributes retrieved.
See Also:
setAttributes(javax.management.AttributeList)

setAttributes

AttributeList setAttributes(AttributeList attributes)
Sets the values of several attributes of the Dynamic MBean.

Parameters:
attributes - A list of attributes: The identification of the attributes to be set and the values they are to be set to.
Returns:
The list of attributes that were set, with their new values.
See Also:
getAttributes(java.lang.String[])

invoke

Object invoke(String actionName,
              Object[] params,
              String[] signature)
              throws MBeanException,
                     ReflectionException
Allows an action to be invoked on the Dynamic MBean.

Parameters:
actionName - The name of the action to be invoked.
params - An array containing the parameters to be set when the action is invoked.
signature - An array containing the signature of the action. The class objects will be loaded through the same class loader as the one used for loading the MBean on which the action is invoked.
Returns:
The object returned by the action, which represents the result of invoking the action on the MBean specified.
Throws:
MBeanException - Wraps a java.lang.Exception thrown by the MBean's invoked method.
ReflectionException - Wraps a java.lang.Exception thrown while trying to invoke the method

getMBeanInfo

MBeanInfo getMBeanInfo()
Provides the exposed attributes and actions of the Dynamic MBean using an MBeanInfo object.

Returns:
An instance of MBeanInfo allowing all attributes and actions exposed by this Dynamic MBean to be retrieved.

Java™ Platform
Standard Ed. 6

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