private void exportChildren(final ExportTransaction transaction) throws CommandException {
final int timeOutFactor = 40;
final CnATreeElement element = transaction.getElement();
final Set<CnATreeElement> children = element.getChildren();
if (FinishedRiskAnalysis.TYPE_ID.equals(element.getTypeId())) {
children.addAll(getRiskAnalysisOrphanElements(element));
}
final List<ExportTransaction> transactionList = new ArrayList<ExportTransaction>();
taskExecutor = Executors.newFixedThreadPool(getMaxNumberOfThreads());
if (!children.isEmpty()) {
for (final CnATreeElement child : children) {
final ExportTransaction childTransaction = new ExportTransaction(child);
transactionList.add(childTransaction);
final ExportThread thread = new ExportThread(childTransaction);
configureThread(thread);
// Multi thread:
thread.addListener(
new IThreadCompleteListener() {
@Override
public void notifyOfThreadComplete(final Thread thread) {
final ExportThread exportThread = (ExportThread) thread;
synchronized (LOCK) {
if (exportThread.getSyncObject() != null) {
transaction.getTarget().getChildren().add(exportThread.getSyncObject());
}
getValuesFromThread(exportThread);
}
}
});
taskExecutor.execute(thread);
}
}
awaitTermination(transactionList.size() * timeOutFactor);
if (getLog().isDebugEnabled() && transactionList.size() > 0) {
getLog().debug(transactionList.size() + " export threads finished.");
}
for (final ExportTransaction childTransaction : transactionList) {
if (checkElement(childTransaction.getElement())) {
exportChildren(childTransaction);
}
}
}
/**
* Export (i.e. "create XML representation of" the given cnATreeElement and its successors. For
* this, child elements are exported recursively. All elements that have been processed are
* returned as a list of {@code syncObject}s with their respective attributes, represented as
* {@code syncAttribute}s.
*
* @return XML representation of elements
* @throws CommandException
*/
private byte[] export() throws CommandException {
if (getLog().isInfoEnabled()) {
getLog().info("Max number of threads is: " + getMaxNumberOfThreads());
}
getCache().removeAll();
final SyncVnaSchemaVersion formatVersion = createVersionData();
final SyncData syncData = new SyncData();
final ExportTransaction exportTransaction = new ExportTransaction();
for (final CnATreeElement element : elements) {
exportTransaction.setElement(element);
exportElement(exportTransaction);
syncData.getSyncObject().add(exportTransaction.getTarget());
}
exportLinks(syncData);
if (getLog().isDebugEnabled()) {
final Statistics s = getCache().getStatistics();
getLog().debug("Cache size: " + s.getObjectCount() + ", hits: " + s.getCacheHits());
}
final SyncMapping syncMapping = new SyncMapping();
createMapping(syncMapping.getMapObjectType());
final SyncRequest syncRequest = new SyncRequest();
syncRequest.setSourceId(sourceId);
syncRequest.setSyncData(syncData);
syncRequest.setSyncMapping(syncMapping);
syncRequest.setSyncVnaSchemaVersion(formatVersion);
final ByteArrayOutputStream bos = new ByteArrayOutputStream();
ExportFactory.marshal(syncRequest, bos);
return bos.toByteArray();
}
