/**
* Update the history store with the value of an an read, write or execute operation. Also, the
* timestamp of the insertion is recorded. Also, the recorded history values are added to the
* given json value.
*
* @param pJmxReq request for which an entry should be added in this history store
* @param pJson the JSONObject to which to add the history.
*/
public synchronized void updateAndAdd(JmxRequest pJmxReq, JSONObject pJson) {
long timestamp = System.currentTimeMillis() / 1000;
pJson.put(KEY_TIMESTAMP, timestamp);
JmxRequest.Type type = pJmxReq.getType();
if (type == EXEC || type == WRITE) {
HistoryEntry entry = historyStore.get(new HistoryKey(pJmxReq));
if (entry != null) {
synchronized (entry) {
// A history data to json object for the response
pJson.put(KEY_HISTORY, entry.jsonifyValues());
// Update history for next time
if (type == EXEC) {
entry.add(pJson.get(KEY_VALUE), timestamp);
} else if (type == WRITE) {
// The new value to set as string representation
entry.add(pJmxReq.getValue(), timestamp);
}
}
}
} else if (type == READ) {
updateReadHistory(pJmxReq, pJson, timestamp);
}
}
private void addAttributeFromSingleValue(
JSONObject pHistMap, String pAttrName, HistoryKey pKey, Object pValue, long pTimestamp) {
HistoryEntry entry = getEntry(pKey, pValue, pTimestamp);
if (entry != null) {
synchronized (entry) {
pHistMap.put(pAttrName, entry.jsonifyValues());
entry.add(pValue, pTimestamp);
}
}
}
private HistoryEntry getEntry(HistoryKey pKey, Object pValue, long pTimestamp) {
HistoryEntry entry = historyStore.get(pKey);
if (entry != null) {
return entry;
}
// Now try all known patterns and add lazily the key
for (HistoryKey key : patterns.keySet()) {
if (key.matches(pKey)) {
entry = new HistoryEntry(patterns.get(key));
entry.add(pValue, pTimestamp);
historyStore.put(pKey, entry);
return entry;
}
}
return null;
}