import java.util.ArrayList;
import java.util.Collection;
-import java.util.Collections;
import java.util.HashSet;
import java.util.LinkedHashMap;
import java.util.List;
import org.wamblee.general.Clock;
import org.wamblee.xml.XMLDocument;
import org.wamblee.xmlrouter.common.Id;
+import org.wamblee.xmlrouter.config.Config;
import org.wamblee.xmlrouter.config.DocumentType;
import org.wamblee.xmlrouter.config.Filter;
import org.wamblee.xmlrouter.config.RouterConfig;
import org.wamblee.xmlrouter.subscribe.Destination;
import org.wamblee.xmlrouter.subscribe.DestinationRegistry;
-// TODO concurrency.
-
+/**
+ * The XML Router.
+ *
+ * @author Erik Brakkee
+ *
+ */
public class XMLRouter implements RouterConfig, Gateway, DestinationRegistry {
private static final Logger LOGGER = Logger.getLogger(XMLRouter.class
.getName());
+ private AtomicLong sequenceNumbers;
private EventListener listener;
private Clock clock;
private AtomicLong nextEventId;
- private AtomicLong sequenceNumbers;
- private Map<Id<DocumentType>, DocumentType> documentTypes;
+
+ private Config<DocumentType> documentTypes;
private Transformations transformations;
- private Map<Id<Filter>, Filter> filters;
+ private Config<Filter> filters;
private Map<Id<Destination>, Destination> destinations;
public XMLRouter(Clock aClock, EventListener aListener) {
+ sequenceNumbers = new AtomicLong(1);
listener = aListener;
clock = aClock;
nextEventId = new AtomicLong(clock.currentTimeMillis());
- sequenceNumbers = new AtomicLong(1);
- documentTypes = new LinkedHashMap<Id<DocumentType>, DocumentType>();
+ documentTypes = new ConfigImpl<DocumentType>() {
+ @Override
+ public DocumentType wrap(Id<DocumentType> aId, DocumentType aType) {
+ return new RobustDocumentType(aId, aType);
+ }
+ };
transformations = new Transformations();
- filters = new LinkedHashMap<Id<Filter>, Filter>();
+ filters = new ConfigImpl<Filter>() {
+ @Override
+ public Filter wrap(Id<Filter> aId, Filter aFilter) {
+ return new RobustFilter(aId, aFilter);
+ }
+ };
destinations = new LinkedHashMap<Id<Destination>, Destination>();
}
@Override
- public Id<DocumentType> addDocumentType(DocumentType aType) {
- long seqno = sequenceNumbers.getAndIncrement();
- documentTypes.put(new Id<DocumentType>(seqno), aType);
- return new Id<DocumentType>(seqno);
- }
-
- @Override
- public void removeDocumentType(Id<DocumentType> aId) {
- documentTypes.remove(aId);
- }
-
- @Override
- public Collection<Id<DocumentType>> getDocumentTypes() {
- return Collections.unmodifiableCollection(documentTypes.keySet());
- }
-
- @Override
- public DocumentType getDocumentType(Id<DocumentType> aId) {
- return documentTypes.get(aId);
- }
-
- @Override
- public Id<Transformation> addTransformation(Transformation aTransformation) {
- return transformations.addTransformation(aTransformation);
- }
-
- @Override
- public void removeTransformation(Id<Transformation> aId) {
- transformations.removeTransformation(aId);
- }
-
- @Override
- public Collection<Id<Transformation>> getTransformations() {
- return transformations.getTransformations();
- }
-
- @Override
- public Transformation getTransformation(Id<Transformation> aId) {
- return transformations.getTransformation(aId);
- }
-
- @Override
- public Id<Filter> addFilter(Filter aFilter) {
- long seqno = sequenceNumbers.getAndIncrement();
- filters.put(new Id<Filter>(seqno), aFilter);
- return new Id<Filter>(seqno);
- }
-
- @Override
- public void removeFilter(Id<Filter> aId) {
- filters.remove(aId);
+ public Config<DocumentType> getDocumentTypeConfig() {
+ return documentTypes;
}
@Override
- public Collection<Id<Filter>> getFilters() {
- return Collections.unmodifiableCollection(filters.keySet());
+ public Config<Transformation> getTransformationConfig() {
+ return transformations.getTransformationConfig();
}
@Override
- public Filter getFilter(Id<Filter> aId) {
- return filters.get(aId);
+ public Config<Filter> getFilterConfig() {
+ return filters;
}
@Override
private boolean isAllowedByFilters(String aType, DOMSource aEvent) {
boolean allowed = true;
- for (Filter filter : filters.values()) {
+ for (Id<Filter> id : filters.ids()) {
+ Filter filter = filters.get(id);
if (!filter.isAllowed(aType, aEvent)) {
allowed = false;
}
private List<String> determineDocumentTypes(DOMSource aEvent) {
List<String> res = new ArrayList<String>();
- for (DocumentType type : documentTypes.values()) {
+ for (Id<DocumentType> id : documentTypes.ids()) {
+ DocumentType type = documentTypes.get(id);
if (type.isInstance(aEvent)) {
res.add(type.getName());
}