private IDataSet getDataSet(String label) {
IDataSet dataSet;
DataSetServiceProxy datasetProxy;
ConsoleEngineInstance engineInstance;
engineInstance = getConsoleEngineInstance();
dataSet = engineInstance.getDataSet(label);
if (dataSet == null || dataSet.hasDataStoreTransformer()) {
logger.debug(
"Dataset with label " + label + " was not already loaded. Invoking DataSetService....");
datasetProxy = engineInstance.getDataSetServiceProxy();
dataSet = datasetProxy.getDataSetByLabel(label);
engineInstance.setDataSet(label, dataSet);
} else {
logger.debug(
"Dataset with label "
+ label
+ " was already loaded. Returning it without calling DataSetService.");
}
return dataSet;
}
@SuppressWarnings({"unchecked", "rawtypes"})
@Override
public void service(SourceBean request, SourceBean response) {
String dataSetLabel;
String callback;
String locale;
Integer start;
Integer limit;
Integer limitSS; // for pagination server side
Integer rowsLimit;
Boolean memoryPagination;
IDataSet dataSet;
IDataStore dataStore;
logger.debug("IN");
Monitor monitor = MonitorFactory.start("SpagoBI_Console.GetConsoleDataAction.service");
try {
super.service(request, response);
ConsoleEngineInstance consoleEngineInstance = getConsoleEngineInstance();
dataSetLabel = getAttributeAsString(DATASET_LABEL);
logger.debug("Parameter [" + DATASET_LABEL + "] is equals to [" + dataSetLabel + "]");
Assert.assertTrue(
!StringUtilities.isEmpty(dataSetLabel),
"Parameter [" + DATASET_LABEL + "] cannot be null or empty");
callback = getAttributeAsString(CALLBACK);
logger.debug("Parameter [" + CALLBACK + "] is equals to [" + callback + "]");
locale = getAttributeAsString(LOCALE);
logger.debug("Parameter [" + LOCALE + "] is equals to [" + locale + "]");
memoryPagination = getAttributeAsBoolean(MEMORY_PAGINATION);
logger.debug("Parameter [" + MEMORY_PAGINATION + "] is equals to [" + memoryPagination + "]");
limitSS = (getAttributeAsInteger(LIMIT_SS) == null) ? -1 : getAttributeAsInteger(LIMIT_SS);
logger.debug("Parameter [" + LIMIT_SS + "] is equals to [" + LIMIT_SS + "]");
rowsLimit =
(getAttributeAsInteger(ROWS_LIMIT) == null) ? -1 : getAttributeAsInteger(ROWS_LIMIT);
logger.debug("Parameter [" + ROWS_LIMIT + "] is equals to [" + rowsLimit + "]");
start = (getAttributeAsInteger(START) == null) ? 0 : getAttributeAsInteger(START);
logger.debug("Parameter [" + START + "] is equals to [" + start + "]");
limit = (getAttributeAsInteger(LIMIT) == null) ? -1 : getAttributeAsInteger(LIMIT);
logger.debug("Parameter [" + LIMIT + "] is equals to [" + limit + "]");
dataSet = null;
try {
dataSet = getDataSet(dataSetLabel);
} catch (Throwable t) {
throw new SpagoBIServiceException(
"Impossible to find a dataset whose label is [" + dataSetLabel + "]", t);
}
Assert.assertNotNull(
dataSet, "Impossible to find a dataset whose label is [" + dataSetLabel + "]");
Map params = consoleEngineInstance.getAnalyticalDrivers();
params.put(LOCALE, locale);
dataSet.setParamsMap(params);
UserProfile userProfile = (UserProfile) this.getEnv().get(EngineConstants.ENV_USER_PROFILE);
dataSet.setUserProfileAttributes(UserProfileUtils.getProfileAttributes(userProfile));
if (dataSet instanceof AbstractDataSet) {
AbstractDataSet ads = (AbstractDataSet) dataSet;
ads.setUserProfile(userProfile);
}
// gets the max number of rows for the table
// String strRowLimit =
// ConsoleEngineConfig.getInstance().getProperty("CONSOLE-TABLE-ROWS-LIMIT");
// rowsLimit = (strRowLimit == null)? -1 : Integer.parseInt(strRowLimit);
Monitor monitorLD =
MonitorFactory.start("SpagoBI_Console.GetConsoleDataAction.service.LoadData");
if (!memoryPagination) {
rowsLimit = -1; // serverSide
limit = limitSS;
}
int totalResults = this.getDataSetTotalResult(dataSet);
if (totalResults != -1) {
// total results was already loaded, no need to recalculate it
dataSet.setCalculateResultNumberOnLoad(false);
}
dataSet.loadData(start, limit, rowsLimit);
monitorLD.stop();
dataStore = dataSet.getDataStore();
Assert.assertNotNull(
dataStore,
"The dataStore returned by loadData method of the class ["
+ dataSet.getClass().getName()
+ "] cannot be null");
Object resultNumber = dataStore.getMetaData().getProperty("resultNumber");
if (resultNumber != null) {
this.setDataSetTotalResult(dataSet, (Integer) resultNumber);
}
JSONObject results = new JSONObject();
try {
JSONDataWriter writer = new JSONDataWriter();
// write id property only if is a NGSI rest dataset, to not broke previous logic
if (dataSet instanceof RESTDataSet && ((RESTDataSet) dataSet).isNgsi()) {
writer.setUseIdProperty(true);
// writer.setAdjust(true);
}
if (totalResults != -1) {
// if total result was previously loaded, set this information into dataStore
dataStore.getMetaData().setProperty("resultNumber", totalResults);
}
resultNumber = dataStore.getMetaData().getProperty("resultNumber");
if (resultNumber == null) {
dataStore
.getMetaData()
.setProperty("resultNumber", new Integer((int) dataStore.getRecordsCount()));
}
JSONObject dataSetJSON = (JSONObject) writer.write(dataStore);
results = dataSetJSON;
} catch (Throwable e) {
throw new SpagoBIServiceException("Impossible to serialize datastore", e);
}
try {
writeBackToClient(new JSONSuccess(results, callback));
} catch (IOException e) {
throw new SpagoBIServiceException("Impossible to write back the responce to the client", e);
}
} catch (Throwable t) {
throw SpagoBIEngineServiceExceptionHandler.getInstance()
.getWrappedException(getActionName(), getEngineInstance(), t);
} finally {
monitor.stop();
logger.debug("OUT");
}
}
