4.12 XML File Example
File: apachembeans.xml
<?xml version="1.0"?>
<!DOCTYPE mbeans-descriptors PUBLIC
"-//Apache Software Foundation//DTD Model MBeans Configuration File"
"http://jakarta.apache.org/commons/dtds/mbeans-descriptors.dtd">
<mbeans-descriptors>
<mbean
name="ApacheServer"
description="ModelMBean for managing an Apache Web Server"
type="jnjmx.ch4.ApacheServer"
>
<attribute
name="BusyWorkers"
description="Apache Server Busy Workers"
type="int"
readable="true"
writeable="false"
is="false"
getMethod="getBusyWorkers"
displayName="Apache BusyWorkers"
>
<descriptor>
<field name="displayName" value="Apache BusyWorkers"/>
<field name="currencyTimeLimit" value="3"/>
<field name="name" value="BusyWorkers"/>
<field name="getMethod" value="getBusyWorkers"/>
<field name="descriptorType" value="attribute"/>
</descriptor>
</attribute>
<attribute
name="BytesPerSec"
description="Apache Server Bytes Per Sec"
type="int"
readable="true"
writeable="false"
is="false"
getMethod="getBytesPerSec"
displayName="Apache BytesPerSec"
>
<descriptor>
<field name="displayName" value="Apache BytesPerSec"/>
<field name="currencyTimeLimit" value="10"/>
<field name="name" value="BytesPerSec"/>
<field name="getMethod" value="getBytesPerSec"/>
<field name="descriptorType" value="attribute"/>
</descriptor>
</attribute>
<attribute
name="BytesPerReq"
description="Apache Server Bytes Per Request"
type="int"
readable="true"
writeable="false"
is="false"
getMethod="getBytesPerReq"
displayName="Apache BytesPerReq"
>
<descriptor>
<field name="displayName" value="Apache BytesPerReq"/>
<field name="currencyTimeLimit" value="10"/>
<field name="name" value="BytesPerReq"/>
<field name="getMethod" value="getBytesPerReq"/>
<field name="descriptorType" value="attribute"/>
</descriptor>
</attribute>
<attribute
name="IdleWorkers"
description="Apache Server Idle Workers"
type="int"
readable="true"
writeable="false"
is="false"
getMethod="getIdleWorkers"
displayName="Apache IdleWorkers"
>
<descriptor>
<field name="displayName" value="Apache IdleWorkers"/>
<field name="currencyTimeLimit" value="10"/>
<field name="name" value="IdleWorkers"/>
<field name="getMethod" value="getIdleWorkers"/>
<field name="descriptorType" value="attribute"/>
</descriptor>
</attribute>
<attribute
name="ReqPerSec"
description="Apache Server Requests Per Second"
type="float"
readable="true"
writeable="false"
is="false"
getMethod="getReqPerSec"
displayName="Apache ReqPerSec"
>
<descriptor>
<field name="displayName" value="Apache ReqPerSec"/>
<field name="currencyTimeLimit" value="5"/>
<field name="name" value="ReqPerSec"/>
<field name="getMethod" value="getReqPerSec"/>
<field name="descriptorType" value="attribute"/>
</descriptor>
</attribute>
<attribute
name="Scoreboard"
description="Apache Server Scoreboard"
type="java.lang.String"
readable="true"
writeable="false"
is="false"
getMethod="getScoreboard"
displayName="Apache Scoreboard"
>
<descriptor>
<field name="displayName" value="Apache Scoreboard"/>
<field name="currencyTimeLimit" value="10"/>
<field name="name" value="Scoreboard"/>
<field name="getMethod" value="getScoreboard"/>
<field name="descriptorType" value="attribute"/>
</descriptor>
</attribute>
<attribute
name="TotalAccesses"
description="Apache Server total accesses"
type="int"
readable="true"
writeable="false"
is="false"
getMethod="getTotalAccesses"
displayName="Apache TotalAccesses"
>
<descriptor>
<field name="displayName" value="Apache TotalAccesses"/>
<field name="currencyTimeLimit" value="-1"/>
<field name="name" value="TotalAccesses"/>
<field name="getMethod" value="getTotalAccesses"/>
<field name="descriptorType" value="attribute"/>
</descriptor>
</attribute>
<attribute
name="TotalKBytes"
description="Apache Server total KiloBytes"
type="long"
readable="true"
writeable="false"
is="false"
getMethod="getTotalKBytes"
displayName="Apache TotalKBytes"
>
<descriptor>
<field name="displayName" value="Apache TotalKBytes"/>
<field name="currencyTimeLimit" value="-1"/>
<field name="name" value="TotalKBytes"/>
<field name="getMethod" value="getTotalKBytes"/>
<field name="descriptorType" value="attribute"/>
</descriptor>
</attribute>
<attribute
name="Uptime"
description="Apache Server Up Time"
type="long"
readable="true"
writeable="false"
is="false"
getMethod="getUptime"
displayName="Apache Uptime"
>
<descriptor>
<field name="displayName" value="Apache Uptime"/>
<field name="currencyTimeLimit" value="10"/>
<field name="name" value="Uptime"/>
<field name="getMethod" value="getUptime"/>
<field name="descriptorType" value="attribute"/>
</descriptor>
</attribute>
<attribute
name="CpuLoad"
description="Apache Server CPU Load"
type="float"
readable="true"
writeable="false"
is="false"
getMethod="getCpuLoad"
displayName="Apache Uptime"
>
<descriptor>
<field name="displayName" value="Apache Uptime"/>
<field name="currencyTimeLimit" value="10"/>
<field name="name" value="CpuLoad"/>
<field name="getMethod" value="getCpuLoad"/>
<field name="descriptorType" value="attribute"/>
</descriptor>
</attribute>
<attribute
name="State"
description="Apache Server state"
type="java.lang.String"
readable="true"
writeable="false"
is="false"
getMethod="getState"
displayName="Apache State"
>
<descriptor>
<field name="displayName" value="Apache State"/>
<field name="currencyTimeLimit" value="10"/>
<field name="name" value="State"/>
<field name="getMethod" value="getState"/>
<field name="descriptorType" value="attribute"/>
</descriptor>
</attribute>
<attribute
name="Server"
description="Apache Server Busy Workers"
type="java.lang.String"
readable="true"
writeable="true"
is="false"
getMethod="getServer"
setMethod="setServer"
displayName="Apache Server URL"
>
<descriptor>
<field name="setMethod" value="setServer"/>
<field name="displayName" value="Apache Server URL"/>
<field name="currencyTimeLimit" value="10"/>
<field name="name" value="Server"/>
<field name="getMethod" value="getServer"/>
<field name="descriptorType" value="attribute"/>
</descriptor>
</attribute>
<constructor
name="jnjmx.ch4.ApacheServer"
>
<parameter name="apacheURL"
description="URL of Apache Server to Manage"
type="java.lang.String"/>
<descriptor>
<field name="name" value="jnjmx.ch4.ApacheServer"/>
<field name="descriptorType" value="operation"/>
<field name="role" value="constructor"/>
</descriptor>
</constructor>
<notification
name="jmx.ModelMBean.General"
description="Apache Server Down"
>
<notification-type>
jmx.ModelMBean.General.Apache.Down
</notification-type>
<descriptor>
<field name="name" value="jmx.ModelMBean.General"/>
<field name="severity" value="6"/>
<field name="descriptorType" value="notification"/>
</descriptor>
</notification>
<operation
name="getValue"
description="getValue(): get an apache status field"
returnType="java.lang.String"
impact="2"
>
<parameter name="FieldName"
description="Apache status field name"
type="java.lang.String"/>
<descriptor>
<field name="name" value="getValue"/>
<field name="class" value="ApacheServer"/>
<field name="descriptorType" value="operation"/>
<field name="role" value="operation"/>
</descriptor>
</operation>
<operation
name="getState"
description="getState(): current status of apache server"
returnType="java.lang.String"
impact="2"
>
<descriptor>
<field name="name" value="getState"/>
<field name="class" value="ApacheServer"/>
<field name="descriptorType" value="operation"/>
<field name="role" value="operation"/>
</descriptor>
</operation>
<operation
name="getServer"
description="getServer(): URL of apache server"
returnType="java.lang.Integer"
impact="2"
>
<descriptor>
<field name="name" value="getServer"/>
<field name="class" value="ApacheServer"/>
<field name="descriptorType" value="operation"/>
<field name="role" value="operation"/>
</descriptor>
</operation>
<operation
name="setServer"
description="getServer(): URL of apache server"
returnType="java.lang.String"
impact="1"
>
<parameter name="url" description="Apache Server URL"
type="java.lang.String"/>
<descriptor>
<field name="name" value="setServer"/>
<field name="descriptorType" value="operation"/>
<field name="class" value="ApacheServer"/>
<field name="role" value="operation"/>
</descriptor>
</operation>
<operation
name="start"
description="start(): start apache server"
returnType="java.lang.Integer"
impact="1"
>
<descriptor>
<field name="name" value="start"/>
<field name="class" value="ApacheServer"/>
<field name="descriptorType" value="operation"/>
<field name="role" value="operation"/>
</descriptor>
</operation>
<operation
name="stop"
description="stop(): start apache server"
returnType="java.lang.Integer"
impact="1"
>
<descriptor>
<field name="name" value="stop"/>
<field name="class" value="ApacheServer"/>
<field name="descriptorType" value="operation"/>
<field name="role" value="operation"/>
</descriptor>
</operation>
<operation
name="getBusyWorkers"
description="number of busy threads"
returnType="int"
impact="2"
>
<descriptor>
<field name="name" value="getBusyWorkers"/>
<field name="class" value="ApacheServer"/>
<field name="descriptorType" value="operation"/>
<field name="role" value="operation"/>
</descriptor>
</operation>
<operation
name="getBytesPerSec"
description="number of bytes per second processed"
returnType="int"
impact="2"
>
<descriptor>
<field name="name" value="getBytesPerSec"/>
<field name="class" value="ApacheServer"/>
<field name="descriptorType" value="operation"/>
<field name="role" value="operation"/>
</descriptor>
</operation>
<operation
name="getBytesPerReq"
description="number of bytes per request processed"
returnType="int"
impact="2"
>
<descriptor>
<field name="name" value="getBytesPerReq"/>
<field name="class" value="ApacheServer"/>
<field name="descriptorType" value="operation"/>
<field name="role" value="operation"/>
</descriptor>
</operation>
<operation
name="getCpuLoad"
description="current load of cpu"
returnType="float"
impact="2"
>
<descriptor>
<field name="name" value="getCpuLoad"/>
<field name="class" value="ApacheServer"/>
<field name="descriptorType" value="operation"/>
<field name="role" value="operation"/>
</descriptor>
</operation>
<operation
name="getIdleWorkers"
description="number of idle threads"
returnType="int"
impact="2"
>
<descriptor>
<field name="name" value="getIdleWorkers"/>
<field name="class" value="ApacheServer"/>
<field name="descriptorType" value="operation"/>
<field name="role" value="operation"/>
</descriptor>
</operation>
<operation
name="getReqPerSec"
description="number of bytes per second processed"
returnType="int"
impact="2"
>
<descriptor>
<field name="name" value="getReqPerSec"/>
<field name="descriptorType" value="operation"/>
<field name="class" value="ApacheServer"/>
<field name="role" value="operation"/>
</descriptor>
</operation>
<operation
name="getScoreboard"
description="gets apache scoreboard "
returnType="java.lang.String"
impact="2"
>
<descriptor>
<field name="name" value="getScoreboard"/>
<field name="class" value="ApacheServer"/>
<field name="descriptorType" value="operation"/>
<field name="role" value="operation"/>
</descriptor>
</operation>
<operation
name="getTotalAccesses"
description="number of bytes per second processed"
returnType="int"
impact="2"
>
<descriptor>
<field name="name" value="getTotalAccesses"/>
<field name="class" value="ApacheServer"/>
<field name="descriptorType" value="operation"/>
<field name="role" value="operation"/>
</descriptor>
</operation>
<operation
name="getTotalKBytes"
description="number of Kilo bytes processed"
returnType="long"
impact="2"
>
<descriptor>
<field name="name" value="getTotalKBytes"/>
<field name="class" value="ApacheServer"/>
<field name="descriptorType" value="operation"/>
<field name="role" value="operation"/>
</descriptor>
</operation>
<operation
name="getUptime"
description="number of bytes per second processed"
returnType="long"
impact="2"
>
<descriptor>
<field name="name" value="getUptime"/>
<field name="class" value="ApacheServer"/>
<field name="descriptorType" value="operation"/>
<field name="role" value="operation"/>
</descriptor>
</operation>
<operation
name="getCpuLoad"
description="number CPU Load"
returnType="float"
impact="2"
>
<descriptor>
<field name="name" value="getCpuLoad"/>
<field name="class" value="ApacheServer"/>
<field name="descriptorType" value="operation"/>
<field name="role" value="operation"/>
</descriptor>
</operation>
<descriptor>
<field name="descriptorType" value="mbean"/>
<field name="logfile" value="jmxmain.log"/>
<field name="name" value="ApacheServer"/>
<field name="visibility" value="1"/>
<field name="log" value="true"/>
<field name="currencyTimeLimit" value="10"/>
<field name="type" value="jnjmx.ch4.Apacheerver"/>
<field name="export" value="false"/>
<field name="displayName" value="ApacheServerManager"/>
<field name="persistPolicy" value="Never"/>
</descriptor>
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