本文整理汇总了Java中javax.management.monitor.CounterMonitorMBean.setGranularityPeriod方法的典型用法代码示例。如果您正苦于以下问题：Java CounterMonitorMBean.setGranularityPeriod方法的具体用法？Java CounterMonitorMBean.setGranularityPeriod怎么用？Java CounterMonitorMBean.setGranularityPeriod使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类javax.management.monitor.CounterMonitorMBean的用法示例。
在下文中一共展示了CounterMonitorMBean.setGranularityPeriod方法的4个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: runTest
import javax.management.monitor.CounterMonitorMBean; //导入方法依赖的package包/类
public static void runTest(int offset,
int counter[],
int derivedGauge[],
int threshold[]) throws Exception {
// Retrieve the platform MBean server
//
System.out.println("\nRetrieve the platform MBean server");
MBeanServer mbs = ManagementFactory.getPlatformMBeanServer();
String domain = mbs.getDefaultDomain();
// Create and register TestMBean
//
ObjectName name =
new ObjectName(domain +
":type=" + Test.class.getName() +
",offset=" + offset);
mbs.createMBean(Test.class.getName(), name);
TestMBean mbean = (TestMBean)
MBeanServerInvocationHandler.newProxyInstance(
mbs, name, TestMBean.class, false);
// Create and register CounterMonitorMBean
//
ObjectName cmn =
new ObjectName(domain +
":type=" + CounterMonitor.class.getName() +
",offset=" + offset);
CounterMonitor m = new CounterMonitor();
mbs.registerMBean(m, cmn);
CounterMonitorMBean cm = (CounterMonitorMBean)
MBeanServerInvocationHandler.newProxyInstance(
mbs, cmn, CounterMonitorMBean.class, true);
((NotificationEmitter) cm).addNotificationListener(
new Listener(), null, null);
cm.addObservedObject(name);
cm.setObservedAttribute("Counter");
cm.setGranularityPeriod(100);
cm.setInitThreshold(1);
cm.setOffset(offset);
cm.setModulus(5);
cm.setNotify(true);
// Start the monitor
//
System.out.println("\nStart monitoring...");
cm.start();
// Play with counter
//
for (int i = 0; i < counter.length; i++) {
mbean.setCounter(counter[i]);
System.out.println("\nCounter = " + mbean.getCounter());
Integer derivedGaugeValue;
// either pass or test timeout (killed by test harness)
// see 8025207
do {
Thread.sleep(150);
derivedGaugeValue = (Integer) cm.getDerivedGauge(name);
} while (derivedGaugeValue.intValue() != derivedGauge[i]);
Number thresholdValue = cm.getThreshold(name);
System.out.println("Threshold = " + thresholdValue);
if (thresholdValue.intValue() != threshold[i]) {
System.out.println("Wrong threshold! Current value = " +
thresholdValue + " Expected value = " + threshold[i]);
System.out.println("\nStop monitoring...");
cm.stop();
throw new IllegalArgumentException("wrong threshold");
}
}
// Stop the monitor
//
System.out.println("\nStop monitoring...");
cm.stop();
}
示例2: run
import javax.management.monitor.CounterMonitorMBean; //导入方法依赖的package包/类
void run() throws Exception {
final MBeanServer mbs = ManagementFactory.getPlatformMBeanServer();
final ObjectName observedName = new ObjectName("a:b=c");
final ObjectName monitorName = new ObjectName("a:type=Monitor");
mbs.registerMBean(new CounterMonitor(), monitorName);
final CounterMonitorMBean monitorProxy =
JMX.newMBeanProxy(mbs, monitorName, CounterMonitorMBean.class);
final TestMBean observedProxy =
JMX.newMBeanProxy(mbs, observedName, TestMBean.class);
final Runnable sensitiveThing = new Runnable() {
public void run() {
doSensitiveThing(monitorProxy, observedName);
}
};
final Runnable nothing = new Runnable() {
public void run() {}
};
final Runnable withinGetAttribute =
(when == When.IN_GET_ATTRIBUTE) ? sensitiveThing : nothing;
mbs.registerMBean(new Test(withinGetAttribute), observedName);
monitorProxy.addObservedObject(observedName);
monitorProxy.setObservedAttribute("Thing");
monitorProxy.setInitThreshold(100);
monitorProxy.setGranularityPeriod(10L); // 10 ms
monitorProxy.setNotify(true);
final int initGetCount = observedProxy.getGetCount();
monitorProxy.start();
System.out.println("Checking GetCount, possible deadlock if timeout.");
do { // 8038322. Until timeout of testing harness
Thread.sleep(200);
} while ((observedProxy.getGetCount()) == initGetCount);
System.out.println("Done!");
// This won't show up as a deadlock in CTRL-\ or in
// ThreadMXBean.findDeadlockedThreads(), because they don't
// see that thread A is waiting for thread B (B.join()), and
// thread B is waiting for a lock held by thread A
// Now we know the monitor has observed the initial value,
// so if we want to test notify behaviour we can trigger by
// exceeding the threshold.
if (when == When.IN_NOTIFY) {
final AtomicInteger notifCount = new AtomicInteger();
final NotificationListener listener = new NotificationListener() {
public void handleNotification(Notification n, Object h) {
Thread t = new Thread(sensitiveThing);
t.start();
try {
t.join();
} catch (InterruptedException e) {
throw new RuntimeException(e);
}
notifCount.incrementAndGet();
}
};
mbs.addNotificationListener(monitorName, listener, null, null);
observedProxy.setThing(1000);
System.out.println("Waiting notifCount.get() != 0, possible deadlock if timeout.");
do {
Thread.sleep(200);
} while(notifCount.get() == 0); // 8038322. Until timeout of testing harness
System.out.println("Done");
}
}
示例3: run
import javax.management.monitor.CounterMonitorMBean; //导入方法依赖的package包/类
void run() throws Exception {
final MBeanServer mbs = ManagementFactory.getPlatformMBeanServer();
final ObjectName observedName = new ObjectName("a:b=c");
final ObjectName monitorName = new ObjectName("a:type=Monitor");
mbs.registerMBean(new CounterMonitor(), monitorName);
final CounterMonitorMBean monitorProxy =
JMX.newMBeanProxy(mbs, monitorName, CounterMonitorMBean.class);
final TestMBean observedProxy =
JMX.newMBeanProxy(mbs, observedName, TestMBean.class);
final Runnable sensitiveThing = new Runnable() {
public void run() {
doSensitiveThing(monitorProxy, observedName);
}
};
final Runnable nothing = new Runnable() {
public void run() {}
};
final Runnable withinGetAttribute =
(when == When.IN_GET_ATTRIBUTE) ? sensitiveThing : nothing;
mbs.registerMBean(new Test(withinGetAttribute), observedName);
monitorProxy.addObservedObject(observedName);
monitorProxy.setObservedAttribute("Thing");
monitorProxy.setInitThreshold(100);
monitorProxy.setGranularityPeriod(10L); // 10 ms
monitorProxy.setNotify(true);
monitorProxy.start();
final int initGetCount = observedProxy.getGetCount();
int getCount = initGetCount;
for (int i = 0; i < 500; i++) { // 500 * 10 = 5 seconds
getCount = observedProxy.getGetCount();
if (getCount != initGetCount)
break;
Thread.sleep(10);
}
if (getCount <= initGetCount)
throw new Exception("Test failed: presumable deadlock");
// This won't show up as a deadlock in CTRL-\ or in
// ThreadMXBean.findDeadlockedThreads(), because they don't
// see that thread A is waiting for thread B (B.join()), and
// thread B is waiting for a lock held by thread A
// Now we know the monitor has observed the initial value,
// so if we want to test notify behaviour we can trigger by
// exceeding the threshold.
if (when == When.IN_NOTIFY) {
final AtomicInteger notifCount = new AtomicInteger();
final NotificationListener listener = new NotificationListener() {
public void handleNotification(Notification n, Object h) {
Thread t = new Thread(sensitiveThing);
t.start();
try {
t.join();
} catch (InterruptedException e) {
throw new RuntimeException(e);
}
notifCount.incrementAndGet();
}
};
mbs.addNotificationListener(monitorName, listener, null, null);
observedProxy.setThing(1000);
for (int i = 0; i < 500 && notifCount.get() == 0; i++)
Thread.sleep(10);
if (notifCount.get() == 0)
throw new Exception("Test failed: presumable deadlock");
}
}
示例4: runTest
import javax.management.monitor.CounterMonitorMBean; //导入方法依赖的package包/类
public static void runTest(int offset,
int counter[],
int derivedGauge[],
int threshold[]) throws Exception {
// Retrieve the platform MBean server
//
System.out.println("\nRetrieve the platform MBean server");
MBeanServer mbs = ManagementFactory.getPlatformMBeanServer();
String domain = mbs.getDefaultDomain();
// Create and register TestMBean
//
ObjectName name =
new ObjectName(domain +
":type=" + Test.class.getName() +
",offset=" + offset);
mbs.createMBean(Test.class.getName(), name);
TestMBean mbean = (TestMBean)
MBeanServerInvocationHandler.newProxyInstance(
mbs, name, TestMBean.class, false);
// Create and register CounterMonitorMBean
//
ObjectName cmn =
new ObjectName(domain +
":type=" + CounterMonitor.class.getName() +
",offset=" + offset);
CounterMonitor m = new CounterMonitor();
mbs.registerMBean(m, cmn);
CounterMonitorMBean cm = (CounterMonitorMBean)
MBeanServerInvocationHandler.newProxyInstance(
mbs, cmn, CounterMonitorMBean.class, true);
((NotificationEmitter) cm).addNotificationListener(
new Listener(), null, null);
cm.addObservedObject(name);
cm.setObservedAttribute("Counter");
cm.setGranularityPeriod(100);
cm.setInitThreshold(1);
cm.setOffset(offset);
cm.setModulus(5);
cm.setNotify(true);
// Start the monitor
//
System.out.println("\nStart monitoring...");
cm.start();
// Play with counter
//
for (int i = 0; i < counter.length; i++) {
mbean.setCounter(counter[i]);
System.out.println("\nCounter = " + mbean.getCounter());
Thread.sleep(300);
Integer derivedGaugeValue = (Integer) cm.getDerivedGauge(name);
System.out.println("Derived Gauge = " + derivedGaugeValue);
if (derivedGaugeValue.intValue() != derivedGauge[i]) {
System.out.println("Wrong derived gauge! Current value = " +
derivedGaugeValue + " Expected value = " + derivedGauge[i]);
System.out.println("\nStop monitoring...");
cm.stop();
throw new IllegalArgumentException("wrong derived gauge");
}
Number thresholdValue = cm.getThreshold(name);
System.out.println("Threshold = " + thresholdValue);
if (thresholdValue.intValue() != threshold[i]) {
System.out.println("Wrong threshold! Current value = " +
thresholdValue + " Expected value = " + threshold[i]);
System.out.println("\nStop monitoring...");
cm.stop();
throw new IllegalArgumentException("wrong threshold");
}
Thread.sleep(300);
}
// Stop the monitor
//
System.out.println("\nStop monitoring...");
cm.stop();
}