public EvaluationResult evaluate(Classifier classifier, Instances validationSet) {
EvaluationResult evaluation = new EvaluationResult();
makeAndValidatePredictions(classifier, validationSet);
evaluation.setMisclassifications(misclassifications);
evaluation.setCorrectClassifications(correctClassifications);
evaluation.setEvaluationStatistics(evaluationStatistics);
return evaluation;
}
@Override
public void serialize(
SimpleEvaluationObject value, JsonGenerator jgen, SerializerProvider provider)
throws IOException, JsonProcessingException {
synchronized (value) {
String id = getUpdateManager().register(value);
jgen.writeStartObject();
jgen.writeObjectField("type", "SimpleEvaluationObject");
jgen.writeStringField("update_id", id);
jgen.writeStringField("expression", value.getExpression());
jgen.writeObjectField("status", value.getStatus());
if (value.getMessage() != null) jgen.writeStringField("message", value.getMessage());
if (value.getProgressBar() > 0)
jgen.writeNumberField("progressBar", value.getProgressBar());
if (value.getPayloadChanged()) {
EvaluationResult o = value.getPayload();
if (o != null && o.getValue() != null) {
jgen.writeFieldName("payload");
if (!getObjectSerializer().writeObject(o, jgen, true)) jgen.writeObject(o.toString());
} else if (value.getJsonRes() != null) {
jgen.writeFieldName("payload");
if (ControlCharacterUtils.containsControlCharacters(value.getJsonRes())) {
jgen.writeRawValue(ControlCharacterUtils.escapeControlCharacters(value.getJsonRes()));
} else {
jgen.writeRawValue(value.getJsonRes());
}
}
}
if (value.getJsonRes() != null
&& value.getPayload() != null
&& value.getPayload().getValue() != null) {
logger.trace("adding raw json data: '" + value.getJsonRes() + "'");
jgen.writeFieldName("jsonres");
if (ControlCharacterUtils.containsControlCharacters(value.getJsonRes())) {
jgen.writeRawValue(ControlCharacterUtils.escapeControlCharacters(value.getJsonRes()));
} else {
jgen.writeRawValue(value.getJsonRes());
}
}
jgen.writeArrayFieldStart("outputdata");
for (Object o : value.getOutputdata()) {
if (o instanceof EvaluationStdOutput) {
jgen.writeStartObject();
jgen.writeStringField("type", "out");
jgen.writeStringField("value", ((EvaluationStdOutput) o).payload);
jgen.writeEndObject();
} else if (o instanceof EvaluationStdError) {
jgen.writeStartObject();
jgen.writeStringField("type", "err");
jgen.writeStringField("value", ((EvaluationStdError) o).payload);
jgen.writeEndObject();
}
}
jgen.writeEndArray();
jgen.writeEndObject();
}
}
/**
* resolve the RuntimeVariable (e.g. $curtime). then see if some more work has to be done (e.g.
* $curtime._repos_id)
*/
public EvaluationResult extractFromMessage(
EvaluationResult evaluationResult,
ComponentName componentName,
RuntimeVariable runtimeVariable)
throws EvaluationException {
ETCLComponentName _componentName = (ETCLComponentName) componentName;
if (_componentName.right() != null) {
return extractFromAny(
_componentName.right(), evaluationResult.getAny(), runtimeVariable.toString());
}
return evaluationResult;
}
public EvaluationResult unmarshall(StaxUnmarshallerContext context) throws Exception {
EvaluationResult evaluationResult = new EvaluationResult();
int originalDepth = context.getCurrentDepth();
int targetDepth = originalDepth + 1;
if (context.isStartOfDocument()) targetDepth += 1;
while (true) {
XMLEvent xmlEvent = context.nextEvent();
if (xmlEvent.isEndDocument()) return evaluationResult;
if (xmlEvent.isAttribute() || xmlEvent.isStartElement()) {
if (context.testExpression("EvalActionName", targetDepth)) {
evaluationResult.setEvalActionName(
StringStaxUnmarshaller.getInstance().unmarshall(context));
continue;
}
if (context.testExpression("EvalResourceName", targetDepth)) {
evaluationResult.setEvalResourceName(
StringStaxUnmarshaller.getInstance().unmarshall(context));
continue;
}
if (context.testExpression("EvalDecision", targetDepth)) {
evaluationResult.setEvalDecision(
StringStaxUnmarshaller.getInstance().unmarshall(context));
continue;
}
if (context.testExpression("MatchedStatements", targetDepth)) {
evaluationResult.withMatchedStatements(new ArrayList<Statement>());
continue;
}
if (context.testExpression("MatchedStatements/member", targetDepth)) {
evaluationResult.withMatchedStatements(
StatementStaxUnmarshaller.getInstance().unmarshall(context));
continue;
}
if (context.testExpression("MissingContextValues", targetDepth)) {
evaluationResult.withMissingContextValues(new ArrayList<String>());
continue;
}
if (context.testExpression("MissingContextValues/member", targetDepth)) {
evaluationResult.withMissingContextValues(
StringStaxUnmarshaller.getInstance().unmarshall(context));
continue;
}
if (context.testExpression("EvalDecisionDetails/entry", targetDepth)) {
Entry<String, String> entry =
EvalDecisionDetailsMapEntryUnmarshaller.getInstance().unmarshall(context);
evaluationResult.addEvalDecisionDetailsEntry(entry.getKey(), entry.getValue());
continue;
}
if (context.testExpression("ResourceSpecificResults", targetDepth)) {
evaluationResult.withResourceSpecificResults(new ArrayList<ResourceSpecificResult>());
continue;
}
if (context.testExpression("ResourceSpecificResults/member", targetDepth)) {
evaluationResult.withResourceSpecificResults(
ResourceSpecificResultStaxUnmarshaller.getInstance().unmarshall(context));
continue;
}
} else if (xmlEvent.isEndElement()) {
if (context.getCurrentDepth() < originalDepth) {
return evaluationResult;
}
}
}
}
private double getFitnessScoreAux() {
EvaluationResult er = getCorrespondingEvaluation(fitnessIndex);
return (double) er.value();
}
private EvaluationResult extractFromAny(AbstractTCLNode expr, Any any, String rootName)
throws EvaluationException {
if (logger_.isDebugEnabled()) {
logger_.debug("extractFromAny" + "\trootname=" + rootName + "\tvalue=" + any);
}
EvaluationResult _result = null;
Any _any = null;
AbstractTCLNode _currentOperator = expr;
Any _currentAny = any;
StringBuffer _currentPath = new StringBuffer(rootName);
while (_currentOperator != null) {
_currentPath.append(_currentOperator.toString());
if (logger_.isDebugEnabled()) {
logger_.debug("current path=" + _currentPath.toString());
logger_.debug("current operator=" + _currentOperator.toString());
logger_.debug("current any=" + _currentAny);
}
// lookup result in cache
_any = lookupAny(_currentPath.toString());
if (_any == null) {
// cache MISS
switch (_currentOperator.getType()) {
case TCLParserTokenTypes.DOT:
// dots are skipped
break;
case TCLParserTokenTypes.UNION_POS:
logger_.debug("evaluate union by position");
UnionPositionOperator _upo = (UnionPositionOperator) _currentOperator;
// default union
if (_upo.isDefault()) {
_any = getETCLEvaluator().evaluateUnion(_currentAny);
} else {
_any = getETCLEvaluator().evaluateUnion(_currentAny, _upo.getPosition());
}
break;
case TCLParserTokenTypes.IDENTIFIER:
String _identifer = ((IdentValue) _currentOperator).getIdentifier();
_any = getETCLEvaluator().evaluateIdentifier(_currentAny, _identifer);
break;
case TCLParserTokenTypes.NUMBER:
int _pos = ((NumberValue) _currentOperator).getNumber().intValue();
_any = getETCLEvaluator().evaluateIdentifier(_currentAny, _pos);
break;
case TCLParserTokenTypes.IMPLICIT:
ImplicitOperator _op = ((ImplicitOperatorNode) _currentOperator).getOperator();
_any = _op.evaluateImplicit(getETCLEvaluator(), _currentAny);
_result = EvaluationResult.fromAny(_any);
_result.addAny(_currentAny);
return _result;
case TCLParserTokenTypes.ARRAY:
int _arrayIndex = ((ArrayOperator) _currentOperator).getArrayIndex();
_any = getETCLEvaluator().evaluateArrayIndex(_currentAny, _arrayIndex);
break;
case TCLParserTokenTypes.ASSOC:
String _assocName = ((AssocOperator) _currentOperator).getAssocName();
_any = getETCLEvaluator().evaluateNamedValueList(_currentAny, _assocName);
break;
default:
throw new RuntimeException(
"unexpected operator: "
+ AbstractTCLNode.getNameForType(_currentOperator.getType()));
}
}
if (_any != null) {
storeAny(_currentPath.toString(), _any);
_currentAny = _any;
}
_currentOperator = (AbstractTCLNode) _currentOperator.getNextSibling();
}
// Create the EvaluationResult
_result = EvaluationResult.fromAny(_any);
return _result;
}
private void evaluateUpdater(
final MutableStoreProvider storeProvider,
final UpdateFactory.Update update,
IJobUpdateSummary summary,
Map<Integer, Optional<IScheduledTask>> changedInstance)
throws UpdateStateException {
JobUpdateStatus updaterStatus = summary.getState().getStatus();
final IJobUpdateKey key = summary.getKey();
JobUpdateStore.Mutable updateStore = storeProvider.getJobUpdateStore();
if (!updateStore.getLockToken(key).isPresent()) {
recordAndChangeJobUpdateStatus(
storeProvider, key, newEvent(ERROR).setMessage(LOST_LOCK_MESSAGE));
return;
}
IJobUpdateInstructions instructions = updateStore.fetchJobUpdateInstructions(key).get();
if (isCoordinatedAndPulseExpired(key, instructions)) {
// Move coordinated update into awaiting pulse state.
JobUpdateStatus blockedStatus = getBlockedState(summary.getState().getStatus());
changeUpdateStatus(
storeProvider, summary, newEvent(blockedStatus).setMessage(PULSE_TIMEOUT_MESSAGE));
return;
}
InstanceStateProvider<Integer, Optional<IScheduledTask>> stateProvider =
instanceId -> getActiveInstance(storeProvider.getTaskStore(), key.getJob(), instanceId);
EvaluationResult<Integer> result = update.getUpdater().evaluate(changedInstance, stateProvider);
LOG.info(key + " evaluation result: " + result);
for (Map.Entry<Integer, SideEffect> entry : result.getSideEffects().entrySet()) {
Iterable<InstanceUpdateStatus> statusChanges;
int instanceId = entry.getKey();
List<IJobInstanceUpdateEvent> savedEvents = updateStore.fetchInstanceEvents(key, instanceId);
Set<JobUpdateAction> savedActions =
FluentIterable.from(savedEvents).transform(EVENT_TO_ACTION).toSet();
// Don't bother persisting a sequence of status changes that represents an instance that
// was immediately recognized as being healthy and in the desired state.
if (entry.getValue().getStatusChanges().equals(NOOP_INSTANCE_UPDATE)
&& savedEvents.isEmpty()) {
LOG.info("Suppressing no-op update for instance " + instanceId);
statusChanges = ImmutableSet.of();
} else {
statusChanges = entry.getValue().getStatusChanges();
}
for (InstanceUpdateStatus statusChange : statusChanges) {
JobUpdateAction action = STATE_MAP.get(Pair.of(statusChange, updaterStatus));
requireNonNull(action);
// A given instance update action may only be issued once during the update lifecycle.
// Suppress duplicate events due to pause/resume operations.
if (savedActions.contains(action)) {
LOG.info(
String.format(
"Suppressing duplicate update %s for instance %s.", action, instanceId));
} else {
IJobInstanceUpdateEvent event =
IJobInstanceUpdateEvent.build(
new JobInstanceUpdateEvent()
.setInstanceId(instanceId)
.setTimestampMs(clock.nowMillis())
.setAction(action));
updateStore.saveJobInstanceUpdateEvent(summary.getKey(), event);
}
}
}
OneWayStatus status = result.getStatus();
if (status == SUCCEEDED || status == OneWayStatus.FAILED) {
if (SideEffect.hasActions(result.getSideEffects().values())) {
throw new IllegalArgumentException(
"A terminal state should not specify actions: " + result);
}
JobUpdateEvent event = new JobUpdateEvent();
if (status == SUCCEEDED) {
event.setStatus(update.getSuccessStatus());
} else {
event.setStatus(update.getFailureStatus());
// Generate a transition message based on one (arbitrary) instance in the group that pushed
// the update over the failure threshold (in all likelihood this group is of size 1).
// This is done as a rough cut to aid in diagnosing a failed update, as generating a
// complete summary would likely be of dubious value.
for (Map.Entry<Integer, SideEffect> entry : result.getSideEffects().entrySet()) {
Optional<Failure> failure = entry.getValue().getFailure();
if (failure.isPresent()) {
event.setMessage(failureMessage(entry.getKey(), failure.get()));
break;
}
}
}
changeUpdateStatus(storeProvider, summary, event);
} else {
LOG.info("Executing side-effects for update of " + key + ": " + result.getSideEffects());
for (Map.Entry<Integer, SideEffect> entry : result.getSideEffects().entrySet()) {
IInstanceKey instance = InstanceKeys.from(key.getJob(), entry.getKey());
Optional<InstanceAction> action = entry.getValue().getAction();
if (action.isPresent()) {
Optional<InstanceActionHandler> handler = action.get().getHandler();
if (handler.isPresent()) {
Optional<Amount<Long, Time>> reevaluateDelay =
handler
.get()
.getReevaluationDelay(
instance, instructions, storeProvider, stateManager, updaterStatus);
if (reevaluateDelay.isPresent()) {
executor.schedule(
getDeferredEvaluator(instance, key),
reevaluateDelay.get().getValue(),
reevaluateDelay.get().getUnit().getTimeUnit());
}
}
}
}
}
}