public static TabularData tableFrom(Collection<JmxProviderState> jmxProviderStates) {
TabularDataSupport table = new TabularDataSupport(PROVIDER_STATE_TABLE);
for (JmxProviderState entry : jmxProviderStates) {
table.put(entry.asCompositeData());
}
return table;
}
/** Wraps the service statistics into JMX types */
private void populateServiceStatistics(boolean clearCollectedStats) {
// clear existing stats in the TabularDataSupport and re-populate it with current data extracted
// from service framework classes
serviceInvocationStatistics.clear();
ServiceStatistics[] stats = getStats(clearCollectedStats);
for (ServiceStatistics stat : stats) {
Object[] statValues = new Object[attributeNames.length];
statValues[0] = stat.getServiceName();
statValues[1] = stat.getServiceVersion();
statValues[2] = stat.getStartupTimeStamp().getTime();
statValues[3] =
stat.getLastCalledTimestamp() == null ? null : stat.getLastCalledTimestamp().getTime();
statValues[4] = stat.getActiveRequestsCount();
statValues[5] = stat.getTotalRequestsCount();
statValues[6] = stat.getAverageResponseTime();
statValues[7] = stat.getMinimumResponseTime();
statValues[8] = stat.getMaximumResponseTime();
statValues[9] = stat.getLastServiceRequestResponseTime();
statValues[10] = stat.getErrorRequestsCount();
statValues[11] = stat.getSuccessRequestsCount();
CompositeData compositeData;
try {
compositeData = new CompositeDataSupport(compositeType, attributeNames, statValues);
serviceInvocationStatistics.put(compositeData);
} catch (OpenDataException e) {
// ideally we should not get this exception
LOGGER.error(
"Error constructing JMX data type from service statistics. Error is : "
+ e.getMessage(),
e);
}
}
}
/**
* Returns a shallow clone of the information, as obtained by the {@link Object} implementation of
* {@link Object#clone()}. The map is also cloned, but it still references the same objects.
*
* @return a shallow clone of this {@link TabularDataSupport}.
*/
@SuppressWarnings("unchecked")
public Object clone() {
TabularDataSupport clone = null;
try {
clone = (TabularDataSupport) super.clone();
clone.setMap((HashMap<Object, Object>) dataMap.clone());
} catch (CloneNotSupportedException e) {
/* This won't happen as we implement Cloneable */
}
return clone;
}
@Test
public void testJmxAttributeOfTypeTabularDataProviderConvertedToMap() throws Exception {
// Create the CompositeType and TabularData
CompositeType compositeType =
new CompositeType(
"typeName",
"description",
new String[] {"myint", "mystring", "mybool"}, // item names
new String[] {
"myint", "mystring", "mybool"
}, // item descriptions, can't be null or empty string
new OpenType<?>[] {SimpleType.INTEGER, SimpleType.STRING, SimpleType.BOOLEAN});
TabularType tt =
new TabularType("typeName", "description", compositeType, new String[] {"myint"});
TabularDataSupport tds = new TabularDataSupport(tt);
tds.put(
new CompositeDataSupport(
compositeType,
new String[] {"mybool", "myint", "mystring"},
new Object[] {true, 1234, "on"}));
// Create MBean
GeneralisedDynamicMBean mbean =
jmxService.registerMBean(ImmutableMap.of(attributeName, tds), objectName);
feed =
JmxFeed.builder()
.entity(entity)
.pollAttribute(
new JmxAttributePollConfig<Map>(mapAttribute)
.objectName(objectName)
.attributeName(attributeName)
.onSuccess((Function) JmxValueFunctions.tabularDataToMap()))
.build();
// Starts with value defined when registering...
assertSensorEventually(
mapAttribute,
ImmutableMap.of("myint", 1234, "mystring", "on", "mybool", Boolean.TRUE),
TIMEOUT_MS);
}
private static TabularData tabularData(
String typeName, String typeDescription, String[] names, Object[] values) {
if (names.length == 0) {
return null;
}
OpenType<?>[] types = new OpenType<?>[names.length];
for (int i = 0; i < types.length; i++) {
types[i] = SimpleType.STRING;
}
try {
CompositeType ct = new CompositeType(typeName, typeDescription, names, names, types);
TabularType type = new TabularType(typeName, typeDescription, ct, names);
TabularDataSupport data = new TabularDataSupport(type);
CompositeData line = new CompositeDataSupport(ct, names, values);
data.put(line);
return data;
} catch (OpenDataException e) {
return null;
}
}
/**
* create result as property with name from property prefix When result is an array and
* isSeparateArrayResults is true, resultproperty used as prefix (<code>
* resultproperty.0-array.length</code> and store the result array length at <code>
* resultproperty.length</code>. Other option is that you delimit your result with a delimiter
* (java.util.StringTokenizer is used).
*
* @param propertyPrefix
* @param result
*/
protected void createProperty(String propertyPrefix, Object result) {
if (propertyPrefix == null) propertyPrefix = "";
if (result instanceof CompositeDataSupport) {
CompositeDataSupport data = (CompositeDataSupport) result;
CompositeType compositeType = data.getCompositeType();
Set<String> keys = compositeType.keySet();
for (Iterator<String> iter = keys.iterator(); iter.hasNext(); ) {
String key = iter.next();
Object value = data.get(key);
OpenType<?> type = compositeType.getType(key);
if (type instanceof SimpleType<?>) {
setProperty(propertyPrefix + "." + key, value);
} else {
createProperty(propertyPrefix + "." + key, value);
}
}
} else if (result instanceof TabularDataSupport) {
TabularDataSupport data = (TabularDataSupport) result;
for (Iterator<Object> iter = data.keySet().iterator(); iter.hasNext(); ) {
Object key = iter.next();
for (Iterator<?> iter1 = ((List<?>) key).iterator(); iter1.hasNext(); ) {
Object key1 = iter1.next();
CompositeData valuedata = data.get(new Object[] {key1});
Object value = valuedata.get("value");
OpenType<?> type = valuedata.getCompositeType().getType("value");
if (type instanceof SimpleType<?>) {
setProperty(propertyPrefix + "." + key1, value);
} else {
createProperty(propertyPrefix + "." + key1, value);
}
}
}
} else if (result.getClass().isArray()) {
if (isSeparatearrayresults()) {
int size = 0;
for (int i = 0; i < Array.getLength(result); i++) {
if (setProperty(propertyPrefix + "." + size, Array.get(result, i))) {
size++;
}
}
if (size > 0) {
setProperty(propertyPrefix + ".Length", Integer.toString(size));
}
}
} else {
String delim = getDelimiter();
if (delim != null) {
StringTokenizer tokenizer = new StringTokenizer(result.toString(), delim);
int size = 0;
for (; tokenizer.hasMoreTokens(); ) {
String token = tokenizer.nextToken();
if (setProperty(propertyPrefix + "." + size, token)) {
size++;
}
}
if (size > 0) setProperty(propertyPrefix + ".Length", Integer.toString(size));
} else {
setProperty(propertyPrefix, result.toString());
}
}
}