private synchronized IndexService createIndexService(final String reason, IndexMetaData indexMetaData, IndicesQueryCache indicesQueryCache, IndicesFieldDataCache indicesFieldDataCache, List<IndexEventListener> builtInListeners, IndexingOperationListener... indexingOperationListeners) throws IOException {
final Index index = indexMetaData.getIndex();
final Predicate<String> indexNameMatcher = (indexExpression) -> indexNameExpressionResolver.matchesIndex(index.getName(), indexExpression, clusterService.state());
final IndexSettings idxSettings = new IndexSettings(indexMetaData, this.settings, indexNameMatcher, indexScopeSetting);
logger.debug("creating Index [{}], shards [{}]/[{}{}] - reason [{}]",
indexMetaData.getIndex(),
idxSettings.getNumberOfShards(),
idxSettings.getNumberOfReplicas(),
idxSettings.isShadowReplicaIndex() ? "s" : "", reason);
final IndexModule indexModule = new IndexModule(idxSettings, indexStoreConfig, analysisRegistry);
for (IndexingOperationListener operationListener : indexingOperationListeners) {
indexModule.addIndexOperationListener(operationListener);
}
pluginsService.onIndexModule(indexModule);
for (IndexEventListener listener : builtInListeners) {
indexModule.addIndexEventListener(listener);
}
return indexModule.newIndexService(nodeEnv, xContentRegistry, this, circuitBreakerService, bigArrays, threadPool, scriptService,
clusterService, client, indicesQueryCache, mapperRegistry, indicesFieldDataCache);
}