使用 JMX

println server.getAttribute(beanName, 'Age')
server.setAttribute(beanName, new Attribute('Name', 'New name'))
Object[] params = [5, 20]
String[] signature = [Integer.TYPE, Integer.TYPE]
println server.invoke(beanName, 'add', params, signature)

def mbean = new GroovyMBean(server, beanName)
println mbean.Age
mbean.Name = 'New name'
println mbean.add(5, 20)

import java.lang.management.*

def os = ManagementFactory.operatingSystemMXBean
println """OPERATING SYSTEM:
\tarchitecture = $os.arch
\tname = $os.name
\tversion = $os.version
\tprocessors = $os.availableProcessors
"""

def rt = ManagementFactory.runtimeMXBean
println """RUNTIME:
\tname = $rt.name
\tspec name = $rt.specName
\tvendor = $rt.specVendor
\tspec version = $rt.specVersion
\tmanagement spec version = $rt.managementSpecVersion
"""

def cl = ManagementFactory.classLoadingMXBean
println """CLASS LOADING SYSTEM:
\tisVerbose = ${cl.isVerbose()}
\tloadedClassCount = $cl.loadedClassCount
\ttotalLoadedClassCount = $cl.totalLoadedClassCount
\tunloadedClassCount = $cl.unloadedClassCount
"""

def comp = ManagementFactory.compilationMXBean
println """COMPILATION:
\ttotalCompilationTime = $comp.totalCompilationTime
"""

def mem = ManagementFactory.memoryMXBean
def heapUsage = mem.heapMemoryUsage
def nonHeapUsage = mem.nonHeapMemoryUsage
println """MEMORY:
HEAP STORAGE:
\tcommitted = $heapUsage.committed
\tinit = $heapUsage.init
\tmax = $heapUsage.max
\tused = $heapUsage.used
NON-HEAP STORAGE:
\tcommitted = $nonHeapUsage.committed
\tinit = $nonHeapUsage.init
\tmax = $nonHeapUsage.max
\tused = $nonHeapUsage.used
"""

ManagementFactory.memoryPoolMXBeans.each { mp ->
    println "\tname: " + mp.name
    String[] mmnames = mp.memoryManagerNames
    mmnames.each{ mmname ->
        println "\t\tManager Name: $mmname"
    }
    println "\t\tmtype = $mp.type"
    println "\t\tUsage threshold supported = " + mp.isUsageThresholdSupported()
}
println()

def td = ManagementFactory.threadMXBean
println "THREADS:"
td.allThreadIds.each { tid ->
    println "\tThread name = ${td.getThreadInfo(tid).threadName}"
}
println()

println "GARBAGE COLLECTION:"
ManagementFactory.garbageCollectorMXBeans.each { gc ->
    println "\tname = $gc.name"
    println "\t\tcollection count = $gc.collectionCount"
    println "\t\tcollection time = $gc.collectionTime"
    String[] mpoolNames = gc.memoryPoolNames
    mpoolNames.each { mpoolName ->
        println "\t\tmpool name = $mpoolName"
    }
}

OPERATING SYSTEM:
            	architecture = amd64
            	name = Windows 10
            	version = 10.0
            	processors = 12

RUNTIME:
            	name = 724176@QUOKKA
            	spec name = Java Virtual Machine Specification
            	vendor = Oracle Corporation
            	spec version = 11
            	management spec version = 2.0

CLASS LOADING SYSTEM:
            	isVerbose = false
            	loadedClassCount = 6962
            	totalLoadedClassCount = 6969
            	unloadedClassCount = 0

COMPILATION:
            	totalCompilationTime = 7548

MEMORY:
            HEAP STORAGE:
            	committed = 645922816
            	init = 536870912
            	max = 8560574464
            	used = 47808352
            NON-HEAP STORAGE:
            	committed = 73859072
            	init = 7667712
            	max = -1
            	used = 70599520

	name: CodeHeap 'non-nmethods'
		Manager Name: CodeCacheManager
		mtype = Non-heap memory
		Usage threshold supported = true
	name: Metaspace
		Manager Name: Metaspace Manager
		mtype = Non-heap memory
		Usage threshold supported = true
	name: CodeHeap 'profiled nmethods'
		Manager Name: CodeCacheManager
		mtype = Non-heap memory
		Usage threshold supported = true
	name: Compressed Class Space
		Manager Name: Metaspace Manager
		mtype = Non-heap memory
		Usage threshold supported = true
	name: G1 Eden Space
		Manager Name: G1 Old Generation
		Manager Name: G1 Young Generation
		mtype = Heap memory
		Usage threshold supported = false
	name: G1 Old Gen
		Manager Name: G1 Old Generation
		Manager Name: G1 Young Generation
		mtype = Heap memory
		Usage threshold supported = true
	name: G1 Survivor Space
		Manager Name: G1 Old Generation
		Manager Name: G1 Young Generation
		mtype = Heap memory
		Usage threshold supported = false
	name: CodeHeap 'non-profiled nmethods'
		Manager Name: CodeCacheManager
		mtype = Non-heap memory
		Usage threshold supported = true

THREADS:
	Thread name = Reference Handler
	Thread name = Finalizer
	Thread name = Signal Dispatcher
	Thread name = Attach Listener
	Thread name = Common-Cleaner
	Thread name = Java2D Disposer
	Thread name = AWT-Shutdown
	Thread name = AWT-Windows
	Thread name = Image Fetcher 0
	Thread name = AWT-EventQueue-0
	Thread name = D3D Screen Updater
	Thread name = DestroyJavaVM
	Thread name = TimerQueue
	Thread name = Thread-0

GARBAGE COLLECTION:
	name = G1 Young Generation
		collection count = 6
		collection time = 69
		mpool name = G1 Eden Space
		mpool name = G1 Survivor Space
		mpool name = G1 Old Gen
	name = G1 Old Generation
		collection count = 0
		collection time = 0
		mpool name = G1 Eden Space
		mpool name = G1 Survivor Space
		mpool name = G1 Old Gen

set JAVA_OPTS=-Dcom.sun.management.jmxremote -Dcom.sun.management.jmxremote.port=9004\
 -Dcom.sun.management.jmxremote.authenticate=false -Dcom.sun.management.jmxremote.ssl=false

import groovy.swing.SwingBuilder
import groovy.jmx.GroovyMBean

import javax.management.ObjectName
import javax.management.remote.JMXConnectorFactory as JmxFactory
import javax.management.remote.JMXServiceURL as JmxUrl
import javax.swing.WindowConstants as WC

import org.jfree.chart.ChartFactory
import org.jfree.data.category.DefaultCategoryDataset as Dataset
import org.jfree.chart.plot.PlotOrientation as Orientation

def serverUrl = 'service:jmx:rmi:///jndi/rmi://localhost:9004/jmxrmi'
def server = JmxFactory.connect(new JmxUrl(serverUrl)).MBeanServerConnection
def serverInfo = new GroovyMBean(server, 'Catalina:type=Server').serverInfo
println "Connected to: $serverInfo"

def query = new ObjectName('Catalina:*')
String[] allNames = server.queryNames(query, null)
def modules = allNames.findAll { name ->
    name.contains('j2eeType=WebModule')
}.collect{ new GroovyMBean(server, it) }

println "Found ${modules.size()} web modules. Processing ..."
def dataset = new Dataset()

modules.each { m ->
    println m.name()
    dataset.addValue m.processingTime, 0, m.path
}

def labels = ['Time per Module', 'Module', 'Time']
def options = [false, true, true]
def chart = ChartFactory.createBarChart(*labels, dataset,
                Orientation.VERTICAL, *options)
def swing = new SwingBuilder()
def frame = swing.frame(title:'Catalina Module Processing Time', defaultCloseOperation:WC.DISPOSE_ON_CLOSE) {
    panel(id:'canvas') { rigidArea(width:800, height:350) }
}
frame.pack()
frame.show()
chart.draw(swing.canvas.graphics, swing.canvas.bounds)

Connected to: Apache Tomcat/9.0.37
Found 5 web modules. Processing ...
Catalina:j2eeType=WebModule,name=//localhost/docs,J2EEApplication=none,J2EEServer=none
Catalina:j2eeType=WebModule,name=//localhost/manager,J2EEApplication=none,J2EEServer=none
Catalina:j2eeType=WebModule,name=//localhost/,J2EEApplication=none,J2EEServer=none
Catalina:j2eeType=WebModule,name=//localhost/examples,J2EEApplication=none,J2EEServer=none
Catalina:j2eeType=WebModule,name=//localhost/host-manager,J2EEApplication=none,J2EEServer=none

import javax.management.remote.*
import oracle.oc4j.admin.jmx.remote.api.JMXConnectorConstant

def serverUrl = new JMXServiceURL('service:jmx:rmi://localhost:23791')
def serverPath = 'oc4j:j2eeType=J2EEServer,name=standalone'
def jvmPath = 'oc4j:j2eeType=JVM,name=single,J2EEServer=standalone'
def provider = 'oracle.oc4j.admin.jmx.remote'
def credentials = [
    (JMXConnectorConstant.CREDENTIALS_LOGIN_KEY): 'oc4jadmin',
    (JMXConnectorConstant.CREDENTIALS_PASSWORD_KEY): 'admin'
]
def env = [
    (JMXConnectorFactory.PROTOCOL_PROVIDER_PACKAGES): provider,
    (JMXConnector.CREDENTIALS): credentials
]
def server = JmxFactory.connect(serverUrl, env).MBeanServerConnection
def serverInfo = new GroovyMBean(server, serverPath)
def jvmInfo = new GroovyMBean(server, jvmPath)
println """Connected to $serverInfo.node. \
Server started ${new Date(serverInfo.startTime)}.
OC4J version:  $serverInfo.serverVersion from $serverInfo.serverVendor
JVM version:   $jvmInfo.javaVersion from $jvmInfo.javaVendor
Memory usage:  $jvmInfo.freeMemory bytes free, \
$jvmInfo.totalMemory bytes total
"""

def query = new javax.management.ObjectName('oc4j:*')
String[] allNames = server.queryNames(query, null)
def dests = allNames.findAll { name ->
    name.contains('j2eeType=JMSDestinationResource')
}.collect { new GroovyMBean(server, it) }

println "Found ${dests.size()} JMS destinations. Listing ..."
dests.each { d -> println "$d.name: $d.location" }

Connected to LYREBIRD. Server started Thu May 31 21:04:54 EST 2007.
OC4J version:  11.1.1.0.0 from Oracle Corp.
JVM version:   1.6.0_01 from Sun Microsystems Inc.
Memory usage:  8709976 bytes free, 25153536 bytes total

Found 5 JMS destinations. Listing ...
Demo Queue: jms/demoQueue
Demo Topic: jms/demoTopic
jms/Oc4jJmsExceptionQueue: jms/Oc4jJmsExceptionQueue
jms/RAExceptionQueue: jms/RAExceptionQueue
OracleASRouter_store: OracleASRouter_store

import org.jfree.chart.ChartFactory
import javax.swing.WindowConstants as WC
import javax.management.remote.*
import oracle.oc4j.admin.jmx.remote.api.JMXConnectorConstant

def url = 'service:jmx:rmi://localhost:23791'
def credentials = [:]
credentials[JMXConnectorConstant.CREDENTIALS_LOGIN_KEY] = "oc4jadmin"
credentials[JMXConnectorConstant.CREDENTIALS_PASSWORD_KEY] = "password"
def env = [:]
env[JMXConnectorFactory.PROTOCOL_PROVIDER_PACKAGES] = "oracle.oc4j.admin.jmx.remote"
env[JMXConnector.CREDENTIALS] = credentials
def server = JMXConnectorFactory.connect(new JMXServiceURL(url), env).MBeanServerConnection
def jvmInfo = new GroovyMBean(server, 'oc4j:j2eeType=JVM,name=single,J2EEServer=standalone')

def piedata = new org.jfree.data.general.DefaultPieDataset()
piedata.setValue "Free", jvmInfo.freeMemory
piedata.setValue "Used", jvmInfo.totalMemory - jvmInfo.freeMemory

def options = [true, true, true]
def chart = ChartFactory.createPieChart('OC4J Memory Usage', piedata, *options)
chart.backgroundPaint = java.awt.Color.white
def swing = new groovy.swing.SwingBuilder()
def frame = swing.frame(title:'OC4J Memory Usage', defaultCloseOperation:WC.EXIT_ON_CLOSE) {
    panel(id:'canvas') { rigidArea(width:350, height:250) }
}
frame.pack()
frame.show()
chart.draw(swing.canvas.graphics, swing.canvas.bounds)

import javax.management.remote.*
import javax.management.*
import javax.naming.Context
import groovy.jmx.GroovyMBean

def urlRuntime = '/jndi/weblogic.management.mbeanservers.runtime'
def urlBase = 'service:jmx:t3://localhost:7001'

def serviceURL = new JMXServiceURL(urlBase + urlRuntime)
def h = new Hashtable()
h.put(Context.SECURITY_PRINCIPAL, 'weblogic')
h.put(Context.SECURITY_CREDENTIALS, 'weblogic')
h.put(JMXConnectorFactory.PROTOCOL_PROVIDER_PACKAGES, 'weblogic.management.remote')
def server = JMXConnectorFactory.connect(serviceURL, h).MBeanServerConnection
def domainName = new ObjectName('com.bea:Name=RuntimeService,Type=weblogic.management.mbeanservers.runtime.RuntimeServiceMBean')
def rtName = server.getAttribute(domainName, 'ServerRuntime')
def rt = new GroovyMBean(server, rtName)
println "Server: name=$rt.Name, state=$rt.State, version=$rt.WeblogicVersion"
def destFilter = Query.match(Query.attr('Type'), Query.value('JMSDestinationRuntime'))
server.queryNames(new ObjectName('com.bea:*'), destFilter).each { name ->
    def jms = new GroovyMBean(server, name)
    println "JMS Destination: name=$jms.Name, type=$jms.DestinationType, messages=$jms.MessagesReceivedCount"
}

Server: name=examplesServer, state=RUNNING, version=WebLogic Server 10.0  Wed May 9 18:10:27 EDT 2007 933139
JMS Destination: name=examples-jms!exampleTopic, type=Topic, messages=0
JMS Destination: name=examples-jms!exampleQueue, type=Queue, messages=0
JMS Destination: name=examples-jms!jms/MULTIDATASOURCE_MDB_QUEUE, type=Queue, messages=0
JMS Destination: name=examplesJMSServer!examplesJMSServer.TemporaryQueue0, type=Queue, messages=68
JMS Destination: name=examples-jms!quotes, type=Topic, messages=0
JMS Destination: name=examples-jms!weblogic.wsee.wseeExamplesDestinationQueue, type=Queue, messages=0
JMS Destination: name=examples-jms!weblogic.examples.ejb30.ExampleQueue, type=Queue, messages=0

import org.springframework.jmx.export.annotation.*

@ManagedResource(objectName="bean:name=calcMBean", description="Calculator MBean")
public class Calculator {

    private int invocations

    @ManagedAttribute(description="The Invocation Attribute")
    public int getInvocations() {
        return invocations
    }

    private int base = 10

    @ManagedAttribute(description="The Base to use when adding strings")
    public int getBase() {
        return base
    }

    @ManagedAttribute(description="The Base to use when adding strings")
    public void setBase(int base) {
        this.base = base
    }

    @ManagedOperation(description="Add two numbers")
    @ManagedOperationParameters([
        @ManagedOperationParameter(name="x", description="The first number"),
        @ManagedOperationParameter(name="y", description="The second number")])
    public int add(int x, int y) {
        invocations++
        return x + y
    }

    @ManagedOperation(description="Add two strings representing numbers of a particular base")
    @ManagedOperationParameters([
        @ManagedOperationParameter(name="x", description="The first number"),
        @ManagedOperationParameter(name="y", description="The second number")])
    public String addStrings(String x, String y) {
        invocations++
        def result = Integer.valueOf(x, base) + Integer.valueOf(y, base)
        return Integer.toString(result, base)
    }
}

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
       xsi:schemaLocation="
http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd">
    <bean id="mbeanServer"
          class="org.springframework.jmx.support.MBeanServerFactoryBean">
        <property name="locateExistingServerIfPossible" value="true"/>
    </bean>

    <bean id="exporter"
          class="org.springframework.jmx.export.MBeanExporter">
        <property name="assembler" ref="assembler"/>
        <property name="namingStrategy" ref="namingStrategy"/>
        <property name="beans">
            <map>
                <entry key="bean:name=defaultCalcName" value-ref="calcBean"/>
            </map>
        </property>
        <property name="server" ref="mbeanServer"/>
        <property name="autodetect" value="true"/>
    </bean>

    <bean id="jmxAttributeSource"
          class="org.springframework.jmx.export.annotation.AnnotationJmxAttributeSource"/>

    <!-- will create management interface using annotation metadata -->
    <bean id="assembler"
          class="org.springframework.jmx.export.assembler.MetadataMBeanInfoAssembler">
        <property name="attributeSource" ref="jmxAttributeSource"/>
    </bean>

    <!-- will pick up the ObjectName from the annotation -->
    <bean id="namingStrategy"
          class="org.springframework.jmx.export.naming.MetadataNamingStrategy">
        <property name="attributeSource" ref="jmxAttributeSource"/>
    </bean>

    <bean id="calcBean"
          class="Calculator">
        <property name="base" value="10"/>
    </bean>
</beans>

import org.springframework.context.support.ClassPathXmlApplicationContext
import java.lang.management.ManagementFactory
import javax.management.ObjectName
import javax.management.Attribute
import groovy.jmx.GroovyMBean

// get normal bean
def ctx = new ClassPathXmlApplicationContext("beans.xml")
def calc = ctx.getBean("calcBean")

Thread.start {
    // access bean via JMX, use a separate thread just to
    // show that we could access remotely if we wanted
    def server = ManagementFactory.platformMBeanServer
    def mbean = new GroovyMBean(server, 'bean:name=calcMBean')
    sleep 1000
    assert 8 == mbean.add(7, 1)
    mbean.Base = 8
    assert '10' == mbean.addStrings('7', '1')
    mbean.Base = 16
    sleep 2000
    println "Number of invocations: $mbean.Invocations"
    println mbean
}

assert 15 == calc.add(9, 6)
assert '11' == calc.addStrings('10', '1')
sleep 2000
assert '20' == calc.addStrings('1f', '1')

Number of invocations: 5
MBean Name:
  bean:name=calcMBean

Attributes:
  (rw) int Base
  (r) int Invocations
Operations:
  int add(int x, int y)
  java.lang.String addStrings(java.lang.String x, java.lang.String y)
  int getInvocations()
  int getBase()
  void setBase(int p1)