public void validateAddExplicitIndex( boolean unique, String indexName, List<CreateIndexItem> columns, EventType eventType, Iterable<EventBean> dataWindowContents) throws ExprValidationException { if (explicitIndexes.containsKey(indexName)) { throw new ExprValidationException("Index by name '" + indexName + "' already exists"); } EventTableCreateIndexDesc desc = EventTableIndexUtil.validateCompileExplicitIndex(unique, columns, eventType); Pair<IndexMultiKey, EventTableAndNamePair> pair = addExplicitIndexOrReuse( unique, desc.getHashProps(), desc.getBtreeProps(), dataWindowContents, eventType, indexName); explicitIndexes.put(indexName, pair.getSecond().getEventTable()); }