/**
* Returns shared parameters for a given instance identifier.
*
* @param instanceId the instance identifier
* @return shared parameters or null, if no shared parameters exist for given instance identifier
* @throws Exception if an error occurs while reading parameters
*/
public synchronized SharedParameters getShared(String instanceId) throws Exception {
String safeInstanceId = escapeInstanceIdentifier(instanceId);
log.trace("getShared(instance = {}, directory = {})", instanceId, safeInstanceId);
SharedParameters parameters = sharedParameters.get(safeInstanceId);
if (!reloadIfChanged) {
return parameters;
}
if (parameters != null && parameters.hasChanged()) {
parameters.reload();
} else if (parameters == null) {
// Parameters not cached, attempt to load it from disk.
Path instanceDir = Paths.get(path.toString(), safeInstanceId);
loadSharedParameters(instanceDir, sharedParameters);
}
return sharedParameters.get(safeInstanceId);
}
/**
* 得到一个分组的全部信息
*
* <p><items name="group"> <item name="maxThread" value="maxThread"/> <item
* name="currentThreadCount" value="currentThreadCount"/> </items> 结果:
* (group,{maxThread,currentThreadCount}
*
* @param params
* @return
* @throws ProbeException
*/
public static Map<String, String> getItems(ParameterHolder params) throws Exception {
// 这样就保证 了返回 的顺序.
Map<String, String> resultMap = new LinkedHashMap<String, String>();
Set<String> KeySet = params.keySet();
int keySize = KeySet.size();
String groupName;
// String[] attrValues = new String[keySize];
Iterator<String> iterator = KeySet.iterator();
for (int i = 0; iterator.hasNext(); i++) {
String attrName = iterator.next();
String attrValue = SharedParameters.parseString(params, attrName);
resultMap.put(attrName, attrValue);
}
return resultMap;
}
/**
* @param node
* @throws JsonParseException
* @throws JsonMappingException
* @throws JsonGenerationException
* @throws JsonProcessingException
* @throws InterruptedException
* @throws IOException
* @throws IncorrectReceivedMessageException
*/
@Override
protected void onReceive(XmlNode node)
throws JsonParseException, JsonMappingException, JsonGenerationException,
JsonProcessingException, InterruptedException, IOException,
IncorrectReceivedMessageException {
List<JsonNode> expectedNodes = convertToJson(node);
List<JsonNode> receivedNodes = new ArrayList<JsonNode>(expectedNodes.size());
do {
String message = responseQueue.poll(TIME_TO_WAIT_ON_RECEIVE, TimeUnit.SECONDS);
JsonNode receivedNode = null;
try {
Assert.assertNotNull(message);
receivedNode = mapper.readTree(message);
Assert.assertNotNull(receivedNode);
} catch (Throwable e) {
throw new IncorrectReceivedMessageException(
getListener(), this, receivedNodes, expectedNodes, e.getMessage());
}
receivedNodes.add(receivedNode);
parameters.collectParameters(receivedNode);
getListener().collectParameters(receivedNode);
boolean found = false;
for (JsonNode expectedNode : expectedNodes) {
if (JsonUtils.equalsIgnoreANY(receivedNode, expectedNode)) {
expectedNodes.remove(expectedNode);
receivedNodes.remove(receivedNode);
found = true;
break;
}
}
try {
Assert.assertEquals(true, found);
} catch (Throwable e) {
throw new IncorrectReceivedMessageException(
getListener(), this, receivedNodes, expectedNodes, e.getMessage());
}
} while (expectedNodes.size() > 0);
}
/**
* @param node
* @throws JsonParseException
* @throws JsonMappingException
* @throws JsonGenerationException
* @throws IOException
*/
@Override
protected void send(XmlNode node)
throws JsonParseException, JsonMappingException, JsonGenerationException, IOException {
List<JsonNode> jsonList = convertToJson(node);
send(getListener().updateParameters(parameters.updateParameters(jsonList)));
}