public void removeRecordIndex(Long oldValue, Long recordId) {
ConcurrentMap<Long, Record> records = mapRecords.get(oldValue);
if (records != null) {
records.remove(recordId);
if (records.size() == 0) {
mapRecords.remove(oldValue);
sortedSet.remove(oldValue);
}
}
}
public void newRecordIndex(Long newValue, Record record) {
long recordId = record.getId();
ConcurrentMap<Long, Record> records = mapRecords.get(newValue);
if (records == null) {
records = new ConcurrentHashMap<Long, Record>(1, 0.75f, 1);
mapRecords.put(newValue, records);
sortedSet.add(newValue);
}
records.put(recordId, record);
}
public void getSubRecordsBetween(MultiResultSet results, Long from, Long to) {
Set<Long> values = sortedSet.subSet(from, to);
for (Long value : values) {
ConcurrentMap<Long, Record> records = mapRecords.get(value);
if (records != null) {
results.addResultSet(value, records.values());
}
}
// to wasn't included so include now
ConcurrentMap<Long, Record> records = mapRecords.get(to);
if (records != null) {
results.addResultSet(to, records.values());
}
}
public void getSubRecords(
MultiResultSet results, PredicateType predicateType, Long searchedValue) {
Set<Long> values = null;
boolean notEqual = false;
switch (predicateType) {
case LESSER:
values = sortedSet.headSet(searchedValue, false);
break;
case LESSER_EQUAL:
values = sortedSet.headSet(searchedValue, true);
break;
case GREATER:
values = sortedSet.tailSet(searchedValue, false);
break;
case GREATER_EQUAL:
values = sortedSet.tailSet(searchedValue, true);
break;
case NOT_EQUAL:
values = sortedSet;
notEqual = true;
break;
}
if (values != null) {
for (Long value : values) {
if (notEqual && searchedValue.longValue() == value.longValue()) {
// skip this value if predicateType is NOT_EQUAL
continue;
}
ConcurrentMap<Long, Record> records = mapRecords.get(value);
if (records != null) {
results.addResultSet(value, records.values());
}
}
}
}