org.elasticsearch.action.admin.indices.exists.types.TransportTypesExistsAction 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
*
* Unless required by applicable law or agreed to in writing,
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package org.elasticsearch.action.admin.indices.exists.types;
import org.elasticsearch.ElasticsearchException;
import org.elasticsearch.action.ActionListener;
import org.elasticsearch.action.support.master.TransportMasterNodeOperationAction;
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.metadata.MappingMetaData;
import org.elasticsearch.common.collect.ImmutableOpenMap;
import org.elasticsearch.common.inject.Inject;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.threadpool.ThreadPool;
import org.elasticsearch.transport.TransportService;
/**
* Types exists transport action.
*/
public class TransportTypesExistsAction extends TransportMasterNodeOperationAction {
@Inject
public TransportTypesExistsAction(Settings settings, TransportService transportService, ClusterService clusterService,
ThreadPool threadPool) {
super(settings, transportService, clusterService, threadPool);
}
@Override
protected String executor() {
// lightweight check
return ThreadPool.Names.SAME;
}
@Override
protected String transportAction() {
return TypesExistsAction.NAME;
}
@Override
protected TypesExistsRequest newRequest() {
return new TypesExistsRequest();
}
@Override
protected TypesExistsResponse newResponse() {
return new TypesExistsResponse();
}
@Override
protected ClusterBlockException checkBlock(TypesExistsRequest request, ClusterState state) {
return state.blocks().indicesBlockedException(ClusterBlockLevel.METADATA, request.indices());
}
@Override
protected void masterOperation(final TypesExistsRequest request, final ClusterState state, final ActionListener listener) throws ElasticsearchException {
String[] concreteIndices = state.metaData().concreteIndices(request.indices(), request.indicesOptions());
if (concreteIndices.length == 0) {
listener.onResponse(new TypesExistsResponse(false));
return;
}
for (String concreteIndex : concreteIndices) {
if (!state.metaData().hasConcreteIndex(concreteIndex)) {
listener.onResponse(new TypesExistsResponse(false));
return;
}
ImmutableOpenMap mappings = state.metaData().getIndices().get(concreteIndex).mappings();
if (mappings.isEmpty()) {
listener.onResponse(new TypesExistsResponse(false));
return;
}
for (String type : request.types()) {
if (!mappings.containsKey(type)) {
listener.onResponse(new TypesExistsResponse(false));
return;
}
}
}
listener.onResponse(new TypesExistsResponse(true));
}
}