@Override
public void afterIndexShardStarted(IndexShard indexShard) {
if (indexShard.shardId().index().name().equals(INDEX_NAME)) {
// percolator index has started, fetch what we can from it and initialize the indices
// we have
synchronized (mutex) {
if (initialQueriesFetchDone) {
return;
}
// we load the queries for all existing indices
for (IndexService indexService : indicesService) {
// only load queries for "this" index percolator service
if (indexService.index().equals(index())) {
logger.debug(
"loading percolator queries for index [{}]...", indexService.index().name());
loadQueries(indexService.index().name());
logger.trace(
"done loading percolator queries for index [{}]", indexService.index().name());
}
}
initialQueriesFetchDone = true;
}
}
if (!indexShard.shardId().index().equals(index())) {
// not our index, bail
return;
}
if (!percolatorAllocated()) {
return;
}
// we are only interested when the first shard on this node has been created for an index
// when it does, fetch the relevant queries if not fetched already
IndexService indexService = indicesService.indexService(indexShard.shardId().index().name());
if (indexService == null) {
return;
}
if (indexService.numberOfShards() != 1) {
return;
}
synchronized (mutex) {
if (initialQueriesFetchDone) {
return;
}
// we load queries for this index
logger.debug("loading percolator queries for index [{}]...", indexService.index().name());
loadQueries(index.name());
logger.trace("done loading percolator queries for index [{}]", indexService.index().name());
initialQueriesFetchDone = true;
}
}
