本文整理汇总了Java中javax.management.MBeanServer.getObjectInstance方法的典型用法代码示例。如果您正苦于以下问题：Java MBeanServer.getObjectInstance方法的具体用法？Java MBeanServer.getObjectInstance怎么用？Java MBeanServer.getObjectInstance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javax.management.MBeanServer的用法示例。
在下文中一共展示了MBeanServer.getObjectInstance方法的3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: readBeanInfo
import javax.management.MBeanServer; //导入方法依赖的package包/类
@Test
public void readBeanInfo() throws Exception {
ObjectName name;
assertNotNull("Server is started", ManagementFactory.getPlatformMBeanServer());
HotSpotGraalMBean realBean = HotSpotGraalMBean.create(null);
assertNotNull("Bean is registered", name = realBean.ensureRegistered(false));
final MBeanServer server = ManagementFactory.getPlatformMBeanServer();
ObjectInstance bean = server.getObjectInstance(name);
assertNotNull("Bean is registered", bean);
MBeanInfo info = server.getMBeanInfo(name);
assertNotNull("Info is found", info);
MBeanAttributeInfo printCompilation = (MBeanAttributeInfo) findAttributeInfo("PrintCompilation", info);
assertNotNull("PrintCompilation found", printCompilation);
assertEquals("true/false", Boolean.class.getName(), printCompilation.getType());
Attribute printOn = new Attribute(printCompilation.getName(), Boolean.TRUE);
Object before = server.getAttribute(name, printCompilation.getName());
server.setAttribute(name, printOn);
Object after = server.getAttribute(name, printCompilation.getName());
assertNull("Default value was not set", before);
assertEquals("Changed to on", Boolean.TRUE, after);
}
示例2: dumpOperation
import javax.management.MBeanServer; //导入方法依赖的package包/类
@Test
public void dumpOperation() throws Exception {
Field field = null;
try {
field = stopMBeanServer();
} catch (Exception ex) {
if (ex.getClass().getName().equals("java.lang.reflect.InaccessibleObjectException")) {
// skip on JDK9
return;
}
}
assertNull("The platformMBeanServer isn't initialized now", field.get(null));
ObjectName name;
assertNotNull("Server is started", ManagementFactory.getPlatformMBeanServer());
HotSpotGraalMBean realBean = HotSpotGraalMBean.create(null);
assertNotNull("Bean is registered", name = realBean.ensureRegistered(false));
final MBeanServer server = ManagementFactory.getPlatformMBeanServer();
ObjectInstance bean = server.getObjectInstance(name);
assertNotNull("Bean is registered", bean);
MBeanInfo info = server.getMBeanInfo(name);
assertNotNull("Info is found", info);
final MBeanOperationInfo[] arr = info.getOperations();
assertEquals("Currently three overloads", 3, arr.length);
MBeanOperationInfo dumpOp = null;
for (int i = 0; i < arr.length; i++) {
assertEquals("dumpMethod", arr[i].getName());
if (arr[i].getSignature().length == 3) {
dumpOp = arr[i];
}
}
assertNotNull("three args variant found", dumpOp);
server.invoke(name, "dumpMethod", new Object[]{
"java.util.Arrays", "asList", ":3"
}, null);
MBeanAttributeInfo dump = (MBeanAttributeInfo) findAttributeInfo("Dump", info);
Attribute dumpTo1 = new Attribute(dump.getName(), "");
server.setAttribute(name, dumpTo1);
Object after = server.getAttribute(name, dump.getName());
assertEquals("", after);
OptionValues empty = new OptionValues(EconomicMap.create());
OptionValues unsetDump = realBean.optionsFor(empty, null);
final MetaAccessProvider metaAccess = jdk.vm.ci.runtime.JVMCI.getRuntime().getHostJVMCIBackend().getMetaAccess();
ResolvedJavaMethod method = metaAccess.lookupJavaMethod(Arrays.class.getMethod("asList", Object[].class));
final OptionValues forMethod = realBean.optionsFor(unsetDump, method);
assertNotSame(unsetDump, forMethod);
Object nothing = unsetDump.getMap().get(DebugOptions.Dump);
assertEquals("Empty string", "", nothing);
Object specialValue = forMethod.getMap().get(DebugOptions.Dump);
assertEquals(":3", specialValue);
OptionValues normalMethod = realBean.optionsFor(unsetDump, null);
Object noSpecialValue = normalMethod.getMap().get(DebugOptions.Dump);
assertEquals("Empty string", "", noSpecialValue);
}
示例3: optionsAreCached
import javax.management.MBeanServer; //导入方法依赖的package包/类
@Test
public void optionsAreCached() throws Exception {
ObjectName name;
assertNotNull("Server is started", ManagementFactory.getPlatformMBeanServer());
HotSpotGraalMBean realBean = HotSpotGraalMBean.create(null);
OptionValues original = new OptionValues(EconomicMap.create());
assertSame(original, realBean.optionsFor(original, null));
assertNotNull("Bean is registered", name = realBean.ensureRegistered(false));
final MBeanServer server = ManagementFactory.getPlatformMBeanServer();
ObjectInstance bean = server.getObjectInstance(name);
assertNotNull("Bean is registered", bean);
MBeanInfo info = server.getMBeanInfo(name);
assertNotNull("Info is found", info);
MBeanAttributeInfo dump = (MBeanAttributeInfo) findAttributeInfo("Dump", info);
Attribute dumpTo1 = new Attribute(dump.getName(), 1);
server.setAttribute(name, dumpTo1);
Object after = server.getAttribute(name, dump.getName());
assertEquals(1, after);
final OptionValues modified1 = realBean.optionsFor(original, null);
assertNotSame(original, modified1);
final OptionValues modified2 = realBean.optionsFor(original, null);
assertSame("Options are cached", modified1, modified2);
}