package de.spinscale.elasticsearch.action.suggest.statistics;
import de.spinscale.elasticsearch.service.suggest.ShardSuggestService;
import org.elasticsearch.ElasticsearchException;
import org.elasticsearch.action.ShardOperationFailedException;
import org.elasticsearch.action.support.DefaultShardOperationFailedException;
import org.elasticsearch.action.support.broadcast.BroadcastShardOperationFailedException;
import org.elasticsearch.action.support.broadcast.TransportBroadcastOperationAction;
import org.elasticsearch.cluster.ClusterService;
import org.elasticsearch.cluster.ClusterState;
import org.elasticsearch.cluster.block.ClusterBlockException;
import org.elasticsearch.cluster.block.ClusterBlockLevel;
import org.elasticsearch.cluster.routing.GroupShardsIterator;
import org.elasticsearch.cluster.routing.ShardRouting;
import org.elasticsearch.common.collect.Lists;
import org.elasticsearch.common.inject.Inject;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.index.service.IndexService;
import org.elasticsearch.indices.IndicesService;
import org.elasticsearch.threadpool.ThreadPool;
import org.elasticsearch.transport.TransportService;
import java.util.List;
import java.util.concurrent.atomic.AtomicReferenceArray;
public class TransportSuggestStatisticsAction extends TransportBroadcastOperationAction<SuggestStatisticsRequest, SuggestStatisticsResponse, ShardSuggestStatisticsRequest, ShardSuggestStatisticsResponse> {
private final IndicesService indicesService;
@Inject
public TransportSuggestStatisticsAction(Settings settings, ThreadPool threadPool, ClusterService clusterService,
TransportService transportService, IndicesService indicesService) {
super(settings, SuggestStatisticsAction.NAME, threadPool, clusterService, transportService);
this.indicesService = indicesService;
}
@Override
protected String executor() {
return ThreadPool.Names.MANAGEMENT;
}
@Override
protected SuggestStatisticsRequest newRequest() {
return new SuggestStatisticsRequest();
}
@Override
protected SuggestStatisticsResponse newResponse(SuggestStatisticsRequest request, AtomicReferenceArray shardsResponses, ClusterState clusterState) {
int successfulShards = 0;
int failedShards = 0;
List<ShardOperationFailedException> shardFailures = Lists.newArrayList();
List<ShardSuggestStatisticsResponse> successfulStatistics = Lists.newArrayList();
for (int i = 0; i < shardsResponses.length(); i++) {
Object shardResponse = shardsResponses.get(i);
if (shardResponse == null) {
failedShards++;
} else if (shardResponse instanceof BroadcastShardOperationFailedException) {
failedShards++;
shardFailures.add(new DefaultShardOperationFailedException((BroadcastShardOperationFailedException) shardResponse));
} else {
successfulShards++;
successfulStatistics.add((ShardSuggestStatisticsResponse)shardResponse);
}
}
return new SuggestStatisticsResponse(shardsResponses.length(), successfulShards, failedShards, successfulStatistics, shardFailures);
}
@Override
protected ShardSuggestStatisticsRequest newShardRequest() {
return new ShardSuggestStatisticsRequest();
}
@Override
protected ShardSuggestStatisticsRequest newShardRequest(int numShards, ShardRouting shard, SuggestStatisticsRequest request) {
return new ShardSuggestStatisticsRequest(shard.index(), shard.id(), request);
}
@Override
protected ShardSuggestStatisticsResponse newShardResponse() {
return new ShardSuggestStatisticsResponse();
}
@Override
protected ShardSuggestStatisticsResponse shardOperation(ShardSuggestStatisticsRequest request) throws ElasticsearchException {
IndexService indexService = indicesService.indexServiceSafe(request.index());
ShardSuggestService suggestShardService = indexService.shardInjectorSafe(request.shardId()).getInstance(ShardSuggestService.class);
return suggestShardService.getStatistics();
}
@Override
protected GroupShardsIterator shards(ClusterState clusterState, SuggestStatisticsRequest request, String[] concreteIndices) {
return clusterService.operationRouting().searchShards(clusterState, request.indices(), concreteIndices, null, null);
}
@Override
protected ClusterBlockException checkGlobalBlock(ClusterState state, SuggestStatisticsRequest request) {
return state.blocks().globalBlockedException(ClusterBlockLevel.METADATA);
}
@Override
protected ClusterBlockException checkRequestBlock(ClusterState state, SuggestStatisticsRequest request, String[] concreteIndices) {
return state.blocks().indicesBlockedException(ClusterBlockLevel.METADATA, concreteIndices);
}
}