@Override
public void afterRegistration(
final OObjectDatabaseTx db,
final SchemeDescriptor descriptor,
final Field field,
final LuceneIndex annotation) {
db.getMetadata().getIndexManager().reload();
final String property = field.getName();
final String model = descriptor.schemeClass;
final String name =
Objects.firstNonNull(Strings.emptyToNull(annotation.name().trim()), model + '.' + property);
final OClass clazz = db.getMetadata().getSchema().getClass(model);
final OIndex<?> classIndex = clazz.getClassIndex(name);
final OClass.INDEX_TYPE type = OClass.INDEX_TYPE.FULLTEXT;
if (!descriptor.initialRegistration && classIndex != null) {
final IndexValidationSupport support = new IndexValidationSupport(classIndex, logger);
support.checkTypeCompatible(type);
support.checkFieldsCompatible(property);
final boolean correct =
support
.isIndexSigns(
classIndex.getConfiguration().field("algorithm"), getAnalyzer(classIndex))
.matchRequiredSigns(
type, OLuceneIndexFactory.LUCENE_ALGORITHM, annotation.value().getName());
if (!correct) {
support.dropIndex(db);
} else {
// index ok
return;
}
}
final ODocument metadata = createMetadata(annotation);
SchemeUtils.command(
db,
"create index %s on %s (%s) %s engine %s metadata %s",
name,
model,
property,
type.name(),
OLuceneIndexFactory.LUCENE_ALGORITHM,
metadata.toJSON());
logger.info("Lucene fulltext index '{}' ({} [{}]) created", name, model, property);
}
private static int priorityOfUsage(OIndex<?> index) {
if (index == null) return -1;
final OClass.INDEX_TYPE indexType = OClass.INDEX_TYPE.valueOf(index.getType());
final boolean isComposite = isComposite(index);
final boolean supportNullValues = supportNullValues(index);
int priority = 1;
if (isComposite) {
if (!supportNullValues) return -1;
} else {
priority += 10;
}
switch (indexType) {
case UNIQUE_HASH_INDEX:
case NOTUNIQUE_HASH_INDEX:
if (isComposite) return -1;
else priority += 10;
break;
case UNIQUE:
case NOTUNIQUE:
priority += 5;
break;
case PROXY:
case FULLTEXT:
case DICTIONARY:
case FULLTEXT_HASH_INDEX:
case DICTIONARY_HASH_INDEX:
case SPATIAL:
return -1;
}
return priority;
}
