@Override
public ContainerResponse filter(ContainerRequest request, ContainerResponse response) {
try {
Object entity = response.getEntity();
if (entity != null) {
if (entity
instanceof TopicType) { // Note: type matches both, must take precedence over topic
firePreSend((TopicType) entity);
} else if (entity instanceof Topic) {
firePreSend((Topic) entity);
} else if (entity instanceof Association) {
firePreSend((Association) entity);
} else if (entity instanceof Directives) {
firePreSend((Directives) entity);
} else if (isIterable(response, TopicType.class)) {
firePreSendTopicTypes(DeepaMehtaUtils.<Iterable<TopicType>>cast(entity));
} else if (isIterable(response, Topic.class)) {
firePreSendTopics(DeepaMehtaUtils.<Iterable<Topic>>cast(entity));
}
}
return response;
} catch (Exception e) {
throw new WebApplicationException(
new RuntimeException("Jersey response filtering failed", e));
}
}
private List<AssociationDefinitionModel> fetchAssociationDefinitions(Topic typeTopic) {
Map<Long, AssociationDefinitionModel> assocDefs =
fetchAssociationDefinitionsUnsorted(typeTopic);
List<RelatedAssociationModel> sequence = fetchSequence(typeTopic);
// error check
if (assocDefs.size() != sequence.size()) {
throw new RuntimeException(
"DB inconsistency: type \""
+ typeTopic.getUri()
+ "\" has "
+ assocDefs.size()
+ " association definitions but in sequence are "
+ sequence.size());
}
//
return sortAssocDefs(assocDefs, DeepaMehtaUtils.idList(sequence));
}
public JSONObject toJSON() {
try {
JSONObject json = new JSONObject();
for (String childTypeUri : this) {
Object value = get(childTypeUri);
if (value instanceof TopicModel) {
json.put(childTypeUri, ((TopicModel) value).toJSON());
} else if (value instanceof List) {
json.put(childTypeUri, DeepaMehtaUtils.objectsToJSON((List<TopicModel>) value));
} else {
throw new RuntimeException("Unexpected value in a CompositeValueModel: " + value);
}
}
return json;
} catch (Exception e) {
throw new RuntimeException("Serialization of a CompositeValueModel failed (" + this + ")", e);
}
}
private ViewConfigurationModel fetchTypeViewConfig(Topic typeTopic) {
try {
// Note: othersTopicTypeUri=null, the view config's topic type is unknown (it is
// client-specific)
ResultSet<RelatedTopic> configTopics =
typeTopic.getRelatedTopics(
"dm4.core.aggregation",
"dm4.core.type",
"dm4.core.view_config",
null,
true,
false,
0,
null);
return new ViewConfigurationModel(DeepaMehtaUtils.toTopicModels(configTopics.getItems()));
} catch (Exception e) {
throw new RuntimeException(
"Fetching view configuration for type \"" + typeTopic.getUri() + "\" failed", e);
}
}
private ViewConfigurationModel fetchAssocDefViewConfig(Association assocDef) {
try {
// Note: othersTopicTypeUri=null, the view config's topic type is unknown (it is
// client-specific)
ResultSet<RelatedTopic> configTopics =
assocDef.getRelatedTopics(
"dm4.core.aggregation",
"dm4.core.assoc_def",
"dm4.core.view_config",
null,
true,
false,
0,
null);
return new ViewConfigurationModel(DeepaMehtaUtils.toTopicModels(configTopics.getItems()));
} catch (Exception e) {
throw new RuntimeException(
"Fetching view configuration for association definition " + assocDef.getId() + " failed",
e);
}
}