/**
* Tests correct MBean interface.
*
* @throws Exception Thrown if test fails.
*/
public void testCorrectMBeanInfo() throws Exception {
StandardMBean mbean =
new IgniteStandardMXBean(new GridMBeanImplementation(), GridMBeanInterface.class);
MBeanInfo info = mbean.getMBeanInfo();
assert info.getDescription().equals("MBeanDescription.") == true;
assert info.getOperations().length == 2;
for (MBeanOperationInfo opInfo : info.getOperations()) {
if (opInfo.getDescription().equals("MBeanOperation."))
assert opInfo.getSignature().length == 2;
else {
assert opInfo.getDescription().equals("MBeanSuperOperation.") == true;
assert opInfo.getSignature().length == 1;
}
}
for (MBeanParameterInfo paramInfo : info.getOperations()[0].getSignature()) {
if (paramInfo.getName().equals("ignored"))
assert paramInfo.getDescription().equals("MBeanOperationParameter1.") == true;
else {
assert paramInfo.getName().equals("someData") == true;
assert paramInfo.getDescription().equals("MBeanOperationParameter2.") == true;
}
}
assert info.getAttributes().length == 4
: "Expected 4 attributes but got " + info.getAttributes().length;
for (MBeanAttributeInfo attrInfo : info.getAttributes()) {
if (attrInfo.isWritable() == false) {
assert (attrInfo.getDescription().equals("MBeanReadonlyGetter.") == true
|| attrInfo.getDescription().equals("MBeanROGetter."));
} else {
assert (attrInfo.getDescription().equals("MBeanWritableGetter.") == true
|| attrInfo.getDescription().equals("MBeanWritableIsGetter."));
}
}
}
public Object getPropertyValue(Object id) {
if ("name".equals(id)) { // $NON-NLS-1$
return attrInfo.getName();
}
if ("description".equals(id)) { // $NON-NLS-1$
return attrInfo.getDescription();
}
if ("type".equals(id)) { // $NON-NLS-1$
Object obj = attrInfo.getType();
if (obj instanceof Object[]) {
return Arrays.asList((Object[]) obj).toString();
}
return obj;
}
if ("readable".equals(id)) { // $NON-NLS-1$
return Boolean.valueOf(attrInfo.isReadable());
}
if ("writable".equals(id)) { // $NON-NLS-1$
return Boolean.valueOf(attrInfo.isWritable());
}
if ("value".equals(id)) { // $NON-NLS-1$
try {
if (mbsc != null) {
Object obj = mbsc.getAttribute(on, attrInfo.getName());
if (obj instanceof Object[]) {
return Arrays.asList((Object[]) obj).toString();
}
return obj;
} else {
conn.run(
new IJMXRunnable() {
final Object[] ret = new Object[1];
@Override
public void run(MBeanServerConnection connection) throws Exception {
Object obj = connection.getAttribute(on, attrInfo.getName());
if (obj instanceof Object[]) {
ret[0] = Arrays.asList((Object[]) obj).toString();
}
ret[0] = obj;
}
});
}
} catch (Exception e) {
JMXUIActivator.log(
IStatus.WARNING, NLS.bind(Messages.MBeanAttributeValue_Warning, attrInfo.getName()), e);
return null;
}
}
return null;
}
private MBeanAttributeInfo[] createMBeanAttributeInfo(
MBeanMetaData metadata, MBeanDescription description) {
Logger logger = getLogger();
HashMap attributes = new HashMap();
HashMap getterNames = new HashMap();
Method[] methods = metadata.management.getMethods();
for (int j = 0; j < methods.length; ++j) {
Method method = methods[j];
if (Utils.isAttributeGetter(method)) {
String name = method.getName();
boolean isIs = name.startsWith("is");
String attribute = null;
if (isIs) attribute = name.substring(2);
else attribute = name.substring(3);
String descr = description == null ? null : description.getAttributeDescription(attribute);
MBeanAttributeInfo info = (MBeanAttributeInfo) attributes.get(attribute);
if (info != null) {
// JMX spec does not allow overloading attributes.
// If an attribute with the same name already exists the MBean is not compliant
if (!info.getType().equals(method.getReturnType().getName())) {
if (logger.isEnabledFor(Logger.DEBUG))
logger.debug("MBean is not compliant: has overloaded attribute " + attribute);
return null;
} else {
// They return the same value,
if (getterNames.get(name) != null) {
// This is the case of an attribute being present in multiple interfaces
// Ignore all but the first, since they resolve to the same method anyways
continue;
}
// there is a chance that one is a get-getter and one is a is-getter
// for a boolean attribute. In this case, the MBean is not compliant.
if (info.isReadable()) {
if (logger.isEnabledFor(Logger.DEBUG))
logger.debug("MBean is not compliant: has overloaded attribute " + attribute);
return null;
}
// MBeanAttributeInfo is already present due to a setter method, just update its
// readability
info =
new MBeanAttributeInfo(
attribute,
info.getType(),
info.getDescription(),
true,
info.isWritable(),
isIs);
}
} else {
info =
new MBeanAttributeInfo(
attribute, method.getReturnType().getName(), descr, true, false, isIs);
}
// Replace if exists
attributes.put(attribute, info);
getterNames.put(name, method);
} else if (Utils.isAttributeSetter(method)) {
String name = method.getName();
String attribute = name.substring(3);
String descr = description == null ? null : description.getAttributeDescription(attribute);
MBeanAttributeInfo info = (MBeanAttributeInfo) attributes.get(attribute);
if (info != null) {
// JMX spec does not allow overloading attributes.
// If an attribute with the same name already exists the MBean is not compliant
if (!info.getType().equals(method.getParameterTypes()[0].getName())) {
if (logger.isEnabledFor(Logger.DEBUG))
logger.debug("MBean is not compliant: has overloaded attribute " + attribute);
return null;
} else {
// MBeanAttributeInfo is already present due to a getter method, just update its
// writability
info =
new MBeanAttributeInfo(
info.getName(),
info.getType(),
info.getDescription(),
info.isReadable(),
true,
info.isIs());
}
} else {
info =
new MBeanAttributeInfo(
attribute, method.getParameterTypes()[0].getName(), descr, false, true, false);
}
// Replace if exists
attributes.put(attribute, info);
}
}
return (MBeanAttributeInfo[])
attributes.values().toArray(new MBeanAttributeInfo[attributes.size()]);
}
/**
* Subclasses could provide here a different description for the given counter.
*
* @param oname
* @param ainfo
* @return
*/
protected String[] getCounterNameAndDescription(ObjectName oname, MBeanAttributeInfo ainfo) {
return new String[] {ainfo.getName(), ainfo.getDescription()};
}
