javax.management
Class AttributeValueExp

java.lang.Object
  javax.management.ValueExpSupport
      javax.management.AttributeValueExp

All Implemented Interfaces:

Serializable, ValueExp

public class AttributeValueExp

extends javax.management.ValueExpSupport

A String that is an arguement to a query.

Revisions:

20020317 Adrian Brock:

• Make queries thread safe

20020711 Adrian Brock:

• Serialization

Version:

$Revision: 1.3.6.2 $

Author:

Adrian Brock.

See Also:

Serialized Form

Constructor Summary

AttributeValueExp()
Construct an attribute value expression for the null attribute name

AttributeValueExp(String attr)
Construct an attribute value expression for the passed attribute name

Method Summary

ValueExp	apply(ObjectName name) Apply this value expression to an MBean.
protected Object	getAttribute(ObjectName name) Get the value of the attribute for a given object name
String	getAttributeName() Get the attribute name.
void	setMBeanServer(MBeanServer server) Set the MBeanServer for this expression.
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

AttributeValueExp

public AttributeValueExp()

Construct an attribute value expression for the null attribute name

AttributeValueExp

public AttributeValueExp(String attr)

Construct an attribute value expression for the passed attribute name

Parameters:

attr - the attribute name

Method Detail

getAttributeName

public String getAttributeName()

Get the attribute name.

Returns:

the attribute name

apply

public ValueExp apply(ObjectName name)
               throws BadStringOperationException,
                      BadBinaryOpValueExpException,
                      BadAttributeValueExpException,
                      InvalidApplicationException

Description copied from interface: ValueExp

Apply this value expression to an MBean.

Throws:

BadStringOperationException

BadBinaryOpValueExpException

BadAttributeValueExpException

InvalidApplicationException

toString

public String toString()

getAttribute

protected Object getAttribute(ObjectName name)

Get the value of the attribute for a given object name

Returns:

the value of the attribute

setMBeanServer

public void setMBeanServer(MBeanServer server)

Description copied from interface: ValueExp

Set the MBeanServer for this expression. Only MBeans registered in this server can be used in queries.

Specified by:

setMBeanServer in interface ValueExp

Parameters:

server - the MBeanServer