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;
}
private <T extends AbstractEdmEntityImpl, G extends MongoTermList<T>> boolean migratePhaseTwo(
JacksonDBCollection<MongoTerm, String> termColl_source,
JacksonDBCollection<MongoTerm, String> termColl_target,
ContextualCategory contextualCategory,
int skip)
throws UnknownHostException {
int counter = 0;
int interval = 0;
while (true) {
try {
DBCursor<MongoTerm> termCurs = termColl_source.find().skip(skip);
termCurs.addOption(com.mongodb.Bytes.QUERYOPTION_NOTIMEOUT);
while (termCurs.hasNext()) {
MongoTerm term = termCurs.next();
counter++;
interval++;
if (interval == 1000) {
System.out.println(
String.format("Phase 2 (%s): %d ", contextualCategory.getEntityClass(), counter));
interval = 0;
}
term.setId(null);
String codeUri = lookupOriginalCodeUri(term.getCodeUri());
if (codeUri != null) {
term.setCodeUri(codeUri);
try {
termColl_target.insert(term);
} catch (DuplicateKeyException me) {
// do nothing
// System.out.println("Duplicate:" +
// term.toString());
continue;
}
}
}
termCurs.close();
break;
} catch (Exception e) {
e.printStackTrace();
initialiseConnections();
counter--;
skip = counter;
continue;
}
}
return true;
}
private <
T extends AbstractEdmEntityImpl,
G extends MongoTermList<T>,
H extends AbstractRepresentationMigration<T>>
boolean migratePhaseThree(
JacksonDBCollection<G, String> termListColl_source,
JacksonDBCollection<G, String> termListColl_target,
H representationMagrition,
ContextualCategory contextualCategory,
int skip)
throws UnknownHostException {
int counter = 0;
int interval = 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()) {
G termList = curs.next();
counter++;
interval++;
if (interval == 1000) {
System.out.println(
String.format("Phase 3 (%s): %d ", contextualCategory.getEntityClass(), counter));
interval = 0;
}
String originalUri = termList.getCodeUri();
String codeUri = lookupOriginalCodeUri(termList.getCodeUri());
termList.setCodeUri(codeUri);
termList.setId(null);
String parent = termList.getParent();
if (StringUtils.isNotBlank(parent)) {
String parentCodeUri = lookupOriginalCodeUri(parent);
if (parentCodeUri == null) {
termList.setParent(null);
} else {
termList.setParent(parentCodeUri);
}
}
T representation = termList.getRepresentation();
representationMagrition.migrateRepresentation(codeUri, originalUri, representation);
termList.setOwlSameAs(((PlaceImpl) representation).getOwlSameAs());
try {
termListColl_target.insert(termList);
} catch (DuplicateKeyException me) {
continue;
}
}
curs.close();
break;
} catch (Exception e) {
e.printStackTrace();
initialiseConnections();
counter--;
skip = counter;
continue;
}
}
return true;
}