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* the Apache License, Version 2.0 (the "License"); you may
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* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
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package org.elasticsearch.action.termvectors;
import org.elasticsearch.action.ActionListener;
import org.elasticsearch.action.support.ActionFilters;
import org.elasticsearch.action.support.HandledTransportAction;
import org.elasticsearch.cluster.ClusterState;
import org.elasticsearch.cluster.block.ClusterBlockLevel;
import org.elasticsearch.cluster.metadata.IndexNameExpressionResolver;
import org.elasticsearch.cluster.service.ClusterService;
import org.elasticsearch.common.inject.Inject;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.common.util.concurrent.AtomicArray;
import org.elasticsearch.index.IndexNotFoundException;
import org.elasticsearch.index.shard.ShardId;
import org.elasticsearch.threadpool.ThreadPool;
import org.elasticsearch.transport.TransportService;
import java.util.HashMap;
import java.util.Map;
import java.util.concurrent.atomic.AtomicInteger;
public class TransportMultiTermVectorsAction extends HandledTransportAction<MultiTermVectorsRequest, MultiTermVectorsResponse> {
private final ClusterService clusterService;
private final TransportShardMultiTermsVectorAction shardAction;
@Inject
public TransportMultiTermVectorsAction(Settings settings, ThreadPool threadPool, TransportService transportService,
ClusterService clusterService, TransportShardMultiTermsVectorAction shardAction,
ActionFilters actionFilters, IndexNameExpressionResolver indexNameExpressionResolver) {
super(settings, MultiTermVectorsAction.NAME, threadPool, transportService, actionFilters, indexNameExpressionResolver, MultiTermVectorsRequest::new);
this.clusterService = clusterService;
this.shardAction = shardAction;
}
@Override
protected void doExecute(final MultiTermVectorsRequest request, final ActionListener<MultiTermVectorsResponse> listener) {
ClusterState clusterState = clusterService.state();
clusterState.blocks().globalBlockedRaiseException(ClusterBlockLevel.READ);
final AtomicArray<MultiTermVectorsItemResponse> responses = new AtomicArray<>(request.requests.size());
Map<ShardId, MultiTermVectorsShardRequest> shardRequests = new HashMap<>();
for (int i = 0; i < request.requests.size(); i++) {
TermVectorsRequest termVectorsRequest = request.requests.get(i);
termVectorsRequest.routing(clusterState.metaData().resolveIndexRouting(termVectorsRequest.parent(), termVectorsRequest.routing(), termVectorsRequest.index()));
if (!clusterState.metaData().hasConcreteIndex(termVectorsRequest.index())) {
responses.set(i, new MultiTermVectorsItemResponse(null, new MultiTermVectorsResponse.Failure(termVectorsRequest.index(),
termVectorsRequest.type(), termVectorsRequest.id(), new IndexNotFoundException(termVectorsRequest.index()))));
continue;
}
String concreteSingleIndex = indexNameExpressionResolver.concreteSingleIndex(clusterState, termVectorsRequest).getName();
if (termVectorsRequest.routing() == null && clusterState.getMetaData().routingRequired(concreteSingleIndex, termVectorsRequest.type())) {
responses.set(i, new MultiTermVectorsItemResponse(null, new MultiTermVectorsResponse.Failure(concreteSingleIndex, termVectorsRequest.type(), termVectorsRequest.id(),
new IllegalArgumentException("routing is required for [" + concreteSingleIndex + "]/[" + termVectorsRequest.type() + "]/[" + termVectorsRequest.id() + "]"))));
continue;
}
ShardId shardId = clusterService.operationRouting().shardId(clusterState, concreteSingleIndex,
termVectorsRequest.id(), termVectorsRequest.routing());
MultiTermVectorsShardRequest shardRequest = shardRequests.get(shardId);
if (shardRequest == null) {
shardRequest = new MultiTermVectorsShardRequest(shardId.getIndexName(), shardId.id());
shardRequest.preference(request.preference);
shardRequests.put(shardId, shardRequest);
}
shardRequest.add(i, termVectorsRequest);
}
if (shardRequests.size() == 0) {
// only failures..
listener.onResponse(new MultiTermVectorsResponse(responses.toArray(new MultiTermVectorsItemResponse[responses.length()])));
}
final AtomicInteger counter = new AtomicInteger(shardRequests.size());
for (final MultiTermVectorsShardRequest shardRequest : shardRequests.values()) {
shardAction.execute(shardRequest, new ActionListener<MultiTermVectorsShardResponse>() {
@Override
public void onResponse(MultiTermVectorsShardResponse response) {
for (int i = 0; i < response.locations.size(); i++) {
responses.set(response.locations.get(i), new MultiTermVectorsItemResponse(response.responses.get(i),
response.failures.get(i)));
}
if (counter.decrementAndGet() == 0) {
finishHim();
}
}
@Override
public void onFailure(Exception e) {
// create failures for all relevant requests
for (int i = 0; i < shardRequest.locations.size(); i++) {
TermVectorsRequest termVectorsRequest = shardRequest.requests.get(i);
responses.set(shardRequest.locations.get(i), new MultiTermVectorsItemResponse(null,
new MultiTermVectorsResponse.Failure(shardRequest.index(), termVectorsRequest.type(),
termVectorsRequest.id(), e)));
}
if (counter.decrementAndGet() == 0) {
finishHim();
}
}
private void finishHim() {
listener.onResponse(new MultiTermVectorsResponse(
responses.toArray(new MultiTermVectorsItemResponse[responses.length()])));
}
});
}
}
}