// Update potentially multiple history entries for a READ request which could
// return multiple values with a single request
private void updateReadHistory(JmxRequest pJmxReq, JSONObject pJson, long pTimestamp) {
ObjectName name = pJmxReq.getObjectName();
if (name.isPattern()) {
// We have a pattern and hence a value structure
// of bean -> attribute_key -> attribute_value
JSONObject history = new JSONObject();
for (Map.Entry<String, Object> beanEntry :
((Map<String, Object>) pJson.get(KEY_VALUE)).entrySet()) {
String beanName = beanEntry.getKey();
JSONObject beanHistory =
addAttributesFromComplexValue(
pJmxReq, ((Map<String, Object>) beanEntry.getValue()), beanName, pTimestamp);
if (beanHistory.size() > 0) {
history.put(beanName, beanHistory);
}
}
if (history.size() > 0) {
pJson.put(KEY_HISTORY, history);
}
} else if (!pJmxReq.isSingleAttribute() || pJmxReq.getAttributeName() == null) {
// Multiple attributes, but a single bean.
// Value has the following structure:
// attribute_key -> attribute_value
JSONObject history =
addAttributesFromComplexValue(
pJmxReq,
((Map<String, Object>) pJson.get(KEY_VALUE)),
pJmxReq.getObjectNameAsString(),
pTimestamp);
if (history.size() > 0) {
pJson.put(KEY_HISTORY, history);
}
} else {
// Single attribute, single bean. Value is the attribute_value
// itself.
addAttributeFromSingleValue(
pJson, KEY_HISTORY, new HistoryKey(pJmxReq), pJson.get(KEY_VALUE), pTimestamp);
}
}
private JSONObject addAttributesFromComplexValue(
JmxRequest pJmxReq, Map<String, Object> pAttributesMap, String pBeanName, long pTimestamp) {
JSONObject ret = new JSONObject();
for (Map.Entry<String, Object> attrEntry : pAttributesMap.entrySet()) {
String attrName = attrEntry.getKey();
Object value = attrEntry.getValue();
HistoryKey key;
try {
key =
new HistoryKey(
pBeanName,
attrName,
null /* No path support for complex read handling */,
pJmxReq.getTargetConfigUrl());
} catch (MalformedObjectNameException e) {
// Shouldnt occur since we get the MBeanName from a JMX operation's result. However,
// we will rethrow it
throw new IllegalArgumentException("Cannot pars MBean name " + pBeanName, e);
}
addAttributeFromSingleValue(ret, attrName, key, value, pTimestamp);
}
return ret;
}
