private <T extends AbstractEdmEntityImpl, G extends MongoTermList<T>> boolean migratePhaseOne(
JacksonDBCollection<G, String> termListColl_source,
JacksonDBCollection<MongoTerm, String> termColl_source,
JacksonDBCollection<G, String> termListColl_target,
JacksonDBCollection<MongoTerm, String> termColl_target,
ContextualCategory contextualCategory,
String termCollection)
throws UnknownHostException {
int skip = 0;
int counter = 0;
while (true) {
try {
DBCursor<G> curs =
termListColl_source
.find(new BasicDBObject("entityType", contextualCategory.getEntityClass()))
.skip(skip);
curs.addOption(com.mongodb.Bytes.QUERYOPTION_NOTIMEOUT);
while (curs.hasNext()) {
long nextSequence = nextSequence(contextualCategory);
counter++;
G termList = curs.next();
String newCodeUri =
String.format(
"http://data.europeana.eu/%s/base" + "/%d",
contextualCategory.getLabel(), nextSequence);
String oldCodeUri = termList.getCodeUri();
MongoCodeLookup lookup = new MongoCodeLookup();
lookup.setCodeUri(newCodeUri);
lookup.setOriginalCodeUri(oldCodeUri);
lookupColl_target.insert(lookup);
lookupCodeUri.put(newCodeUri, oldCodeUri);
lookupOriginalCodeUri.put(oldCodeUri, newCodeUri);
}
curs.close();
break;
} catch (Exception e) {
e.printStackTrace();
initialiseConnections();
skip = counter - 1;
continue;
}
}
return true;
}
public void addInCache(MongoCodeLookup lookup) {
lookupCodeUri.put(lookup.getCodeUri(), lookup.getOriginalCodeUri());
lookupOriginalCodeUri.put(lookup.getOriginalCodeUri(), lookup.getCodeUri());
}