private void maybeRefreshEngine() {
if (indexSettings.getRefreshInterval().millis() > 0) {
for (IndexShard shard : this.shards.values()) {
switch (shard.state()) {
case CREATED:
case RECOVERING:
case CLOSED:
continue;
case POST_RECOVERY:
case STARTED:
case RELOCATED:
try {
if (shard.isRefreshNeeded()) {
shard.refresh("schedule");
}
} catch (EngineClosedException | AlreadyClosedException ex) {
// fine - continue;
}
continue;
default:
throw new IllegalStateException("unknown state: " + shard.state());
}
}
}
}
protected final void processAfter(
boolean refresh, IndexShard indexShard, Translog.Location location) {
if (refresh) {
try {
indexShard.refresh("refresh_flag_index");
} catch (Throwable e) {
// ignore
}
}
if (indexShard.getTranslogDurability() == Translog.Durabilty.REQUEST && location != null) {
indexShard.sync(location);
}
indexShard.maybeFlush();
}
private Set<Uid> getShardDocUIDs(final IndexShard shard) throws IOException {
shard.refresh("get_uids");
try (Engine.Searcher searcher = shard.acquireSearcher("test")) {
Set<Uid> ids = new HashSet<>();
for (LeafReaderContext leafContext : searcher.reader().leaves()) {
LeafReader reader = leafContext.reader();
Bits liveDocs = reader.getLiveDocs();
for (int i = 0; i < reader.maxDoc(); i++) {
if (liveDocs == null || liveDocs.get(i)) {
Document uuid = reader.document(i, Collections.singleton(UidFieldMapper.NAME));
ids.add(Uid.createUid(uuid.get(UidFieldMapper.NAME)));
}
}
}
return ids;
}
}
public synchronized void refresh(String source) {
for (IndexShard shard : this) {
shard.refresh(source);
}
}