本文整理汇总了Java中sun.management.counter.Counter.getValue方法的典型用法代码示例。如果您正苦于以下问题：Java Counter.getValue方法的具体用法？Java Counter.getValue怎么用？Java Counter.getValue使用的例子？那么恭喜您, 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sun.management.counter.Counter的用法示例。
在下文中一共展示了Counter.getValue方法的2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: importFrom
import sun.management.counter.Counter; //导入方法依赖的package包/类
/**
* Imports the connector address from the instrument buffer
* of the specified Java virtual machine.
*
* @param vmid an identifier that uniquely identifies a local Java virtual
* machine, or <code>0</code> to indicate the current Java virtual machine.
*
* @return the value of the connector address, or <code>null</code> if the
* target VM has not exported a connector address.
*
* @throws IOException An I/O error occurred while trying to acquire the
* instrumentation buffer.
*/
public static String importFrom(int vmid) throws IOException {
Perf perf = Perf.getPerf();
ByteBuffer bb;
try {
bb = perf.attach(vmid, "r");
} catch (IllegalArgumentException iae) {
throw new IOException(iae.getMessage());
}
List<Counter> counters =
new PerfInstrumentation(bb).findByPattern(CONNECTOR_ADDRESS_COUNTER);
Iterator<Counter> i = counters.iterator();
if (i.hasNext()) {
Counter c = i.next();
return (String) c.getValue();
} else {
return null;
}
}
示例2: importFrom
import sun.management.counter.Counter; //导入方法依赖的package包/类
/**
* Imports the connector address from the instrument buffer
* of the specified Java virtual machine.
*
* @param vmid an identifier that uniquely identifies a local Java virtual
* machine, or <code>0</code> to indicate the current Java virtual machine.
*
* @return the value of the connector address, or <code>null</code> if the
* target VM has not exported a connector address.
*
* @throws IOException An I/O error occurred while trying to acquire the
* instrumentation buffer.
*/
public static String importFrom(int vmid) throws IOException {
Perf perf = Perf.getPerf();
ByteBuffer bb;
try {
bb = perf.attach(vmid, "r");
} catch (IllegalArgumentException iae) {
throw new IOException(iae.getMessage());
}
List counters =
new PerfInstrumentation(bb).findByPattern(CONNECTOR_ADDRESS_COUNTER);
Iterator i = counters.iterator();
if (i.hasNext()) {
Counter c = (Counter) i.next();
return (String) c.getValue();
} else {
return null;
}
}