public EventTable getIndexByDesc(IndexMultiKey indexKey) {
EventTableIndexRepositoryEntry entry = tableIndexesRefCount.get(indexKey);
if (entry == null) {
return null;
}
return entry.getTable();
}
public void removeIndex(IndexMultiKey index) {
EventTableIndexRepositoryEntry entry = tableIndexesRefCount.remove(index);
if (entry != null) {
tables.remove(entry.getTable());
if (entry.getOptionalIndexName() != null) {
explicitIndexes.remove(entry.getOptionalIndexName());
}
}
}
public Pair<IndexMultiKey, EventTableAndNamePair> addExplicitIndexOrReuse(
boolean unique,
List<IndexedPropDesc> hashProps,
List<IndexedPropDesc> btreeProps,
Iterable<EventBean> prefilledEvents,
EventType indexedType,
String indexName) {
if (hashProps.isEmpty() && btreeProps.isEmpty()) {
throw new IllegalArgumentException("Invalid zero element list for hash and btree columns");
}
// Get an existing table, if any, matching the exact requirement
IndexMultiKey indexPropKeyMatch =
EventTableIndexUtil.findExactMatchNameAndType(
tableIndexesRefCount.keySet(), unique, hashProps, btreeProps);
if (indexPropKeyMatch != null) {
EventTableIndexRepositoryEntry refTablePair = tableIndexesRefCount.get(indexPropKeyMatch);
return new Pair<IndexMultiKey, EventTableAndNamePair>(
indexPropKeyMatch,
new EventTableAndNamePair(refTablePair.getTable(), refTablePair.getOptionalIndexName()));
}
return addIndex(unique, hashProps, btreeProps, prefilledEvents, indexedType, indexName, false);
}
public void addIndex(IndexMultiKey indexMultiKey, EventTableIndexRepositoryEntry entry) {
tableIndexesRefCount.put(indexMultiKey, entry);
tables.add(entry.getTable());
}