org.elasticsearch.action.admin.indices.flush.TransportFlushAction Maven / Gradle / Ivy
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* the Apache License, Version 2.0 (the "License"); you may
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*
* http://www.apache.org/licenses/LICENSE-2.0
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package org.elasticsearch.action.admin.indices.flush;
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.inject.Inject;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.index.engine.Engine;
import org.elasticsearch.index.shard.service.IndexShard;
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;
import static com.google.common.collect.Lists.newArrayList;
/**
* Flush Action.
*/
public class TransportFlushAction extends TransportBroadcastOperationAction {
private final IndicesService indicesService;
@Inject
public TransportFlushAction(Settings settings, ThreadPool threadPool, ClusterService clusterService, TransportService transportService, IndicesService indicesService) {
super(settings, threadPool, clusterService, transportService);
this.indicesService = indicesService;
}
@Override
protected String executor() {
return ThreadPool.Names.FLUSH;
}
@Override
protected String transportAction() {
return FlushAction.NAME;
}
@Override
protected FlushRequest newRequest() {
return new FlushRequest();
}
@Override
protected FlushResponse newResponse(FlushRequest request, AtomicReferenceArray shardsResponses, ClusterState clusterState) {
int successfulShards = 0;
int failedShards = 0;
List shardFailures = null;
for (int i = 0; i < shardsResponses.length(); i++) {
Object shardResponse = shardsResponses.get(i);
if (shardResponse == null) {
// a non active shard, ignore
} else if (shardResponse instanceof BroadcastShardOperationFailedException) {
failedShards++;
if (shardFailures == null) {
shardFailures = newArrayList();
}
shardFailures.add(new DefaultShardOperationFailedException((BroadcastShardOperationFailedException) shardResponse));
} else {
successfulShards++;
}
}
return new FlushResponse(shardsResponses.length(), successfulShards, failedShards, shardFailures);
}
@Override
protected ShardFlushRequest newShardRequest() {
return new ShardFlushRequest();
}
@Override
protected ShardFlushRequest newShardRequest(ShardRouting shard, FlushRequest request) {
return new ShardFlushRequest(shard.index(), shard.id(), request);
}
@Override
protected ShardFlushResponse newShardResponse() {
return new ShardFlushResponse();
}
@Override
protected ShardFlushResponse shardOperation(ShardFlushRequest request) throws ElasticsearchException {
IndexShard indexShard = indicesService.indexServiceSafe(request.index()).shardSafe(request.shardId());
indexShard.flush(new Engine.Flush().type(request.full() ? Engine.Flush.Type.NEW_WRITER : Engine.Flush.Type.COMMIT_TRANSLOG).force(request.force()));
return new ShardFlushResponse(request.index(), request.shardId());
}
/**
* The refresh request works against *all* shards.
*/
@Override
protected GroupShardsIterator shards(ClusterState clusterState, FlushRequest request, String[] concreteIndices) {
return clusterState.routingTable().allActiveShardsGrouped(concreteIndices, true);
}
@Override
protected ClusterBlockException checkGlobalBlock(ClusterState state, FlushRequest request) {
return state.blocks().globalBlockedException(ClusterBlockLevel.METADATA);
}
@Override
protected ClusterBlockException checkRequestBlock(ClusterState state, FlushRequest countRequest, String[] concreteIndices) {
return state.blocks().indicesBlockedException(ClusterBlockLevel.METADATA, concreteIndices);
}
}