org.elasticsearch.action.admin.indices.mapping.delete.TransportDeleteMappingAction Maven / Gradle / Ivy
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* Licensed to ElasticSearch and Shay Banon under one
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* regarding copyright ownership. ElasticSearch licenses this
* file to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
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* Unless required by applicable law or agreed to in writing,
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package org.elasticsearch.action.admin.indices.mapping.delete;
import org.elasticsearch.ElasticSearchException;
import org.elasticsearch.action.ActionListener;
import org.elasticsearch.action.admin.indices.flush.FlushResponse;
import org.elasticsearch.action.admin.indices.flush.TransportFlushAction;
import org.elasticsearch.action.admin.indices.refresh.RefreshResponse;
import org.elasticsearch.action.admin.indices.refresh.TransportRefreshAction;
import org.elasticsearch.action.deletebyquery.DeleteByQueryResponse;
import org.elasticsearch.action.deletebyquery.TransportDeleteByQueryAction;
import org.elasticsearch.action.support.master.TransportMasterNodeOperationAction;
import org.elasticsearch.client.Requests;
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.MetaDataMappingService;
import org.elasticsearch.common.inject.Inject;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.index.query.FilterBuilders;
import org.elasticsearch.index.query.QueryBuilders;
import org.elasticsearch.threadpool.ThreadPool;
import org.elasticsearch.transport.TransportService;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.atomic.AtomicReference;
/**
* Delete mapping action.
*/
public class TransportDeleteMappingAction extends TransportMasterNodeOperationAction {
private final MetaDataMappingService metaDataMappingService;
private final TransportFlushAction flushAction;
private final TransportDeleteByQueryAction deleteByQueryAction;
private final TransportRefreshAction refreshAction;
@Inject
public TransportDeleteMappingAction(Settings settings, TransportService transportService, ClusterService clusterService,
ThreadPool threadPool, MetaDataMappingService metaDataMappingService,
TransportDeleteByQueryAction deleteByQueryAction, TransportRefreshAction refreshAction, TransportFlushAction flushAction) {
super(settings, transportService, clusterService, threadPool);
this.metaDataMappingService = metaDataMappingService;
this.deleteByQueryAction = deleteByQueryAction;
this.refreshAction = refreshAction;
this.flushAction = flushAction;
}
@Override
protected String executor() {
return ThreadPool.Names.MANAGEMENT;
}
@Override
protected String transportAction() {
return DeleteMappingAction.NAME;
}
@Override
protected DeleteMappingRequest newRequest() {
return new DeleteMappingRequest();
}
@Override
protected DeleteMappingResponse newResponse() {
return new DeleteMappingResponse();
}
@Override
protected void doExecute(DeleteMappingRequest request, ActionListener listener) {
// update to concrete indices
request.indices(clusterService.state().metaData().concreteIndices(request.indices()));
super.doExecute(request, listener);
}
@Override
protected ClusterBlockException checkBlock(DeleteMappingRequest request, ClusterState state) {
return state.blocks().indicesBlockedException(ClusterBlockLevel.METADATA, request.indices());
}
@Override
protected DeleteMappingResponse masterOperation(final DeleteMappingRequest request, final ClusterState state) throws ElasticSearchException {
final AtomicReference failureRef = new AtomicReference();
final CountDownLatch latch = new CountDownLatch(1);
flushAction.execute(Requests.flushRequest(request.indices()), new ActionListener() {
@Override
public void onResponse(FlushResponse flushResponse) {
deleteByQueryAction.execute(Requests.deleteByQueryRequest(request.indices()).query(QueryBuilders.filteredQuery(QueryBuilders.matchAllQuery(), FilterBuilders.typeFilter(request.type()))), new ActionListener() {
@Override
public void onResponse(DeleteByQueryResponse deleteByQueryResponse) {
refreshAction.execute(Requests.refreshRequest(request.indices()), new ActionListener() {
@Override
public void onResponse(RefreshResponse refreshResponse) {
metaDataMappingService.removeMapping(new MetaDataMappingService.RemoveRequest(request.indices(), request.type()), new MetaDataMappingService.Listener() {
@Override
public void onResponse(MetaDataMappingService.Response response) {
latch.countDown();
}
@Override
public void onFailure(Throwable t) {
failureRef.set(t);
latch.countDown();
}
});
}
@Override
public void onFailure(Throwable e) {
metaDataMappingService.removeMapping(new MetaDataMappingService.RemoveRequest(request.indices(), request.type()), new MetaDataMappingService.Listener() {
@Override
public void onResponse(MetaDataMappingService.Response response) {
latch.countDown();
}
@Override
public void onFailure(Throwable t) {
failureRef.set(t);
latch.countDown();
}
});
}
});
}
@Override
public void onFailure(Throwable e) {
failureRef.set(e);
latch.countDown();
}
});
}
@Override
public void onFailure(Throwable e) {
failureRef.set(e);
latch.countDown();
}
});
try {
latch.await();
} catch (InterruptedException e) {
failureRef.set(e);
}
if (failureRef.get() != null) {
if (failureRef.get() instanceof ElasticSearchException) {
throw (ElasticSearchException) failureRef.get();
} else {
throw new ElasticSearchException(failureRef.get().getMessage(), failureRef.get());
}
}
return new DeleteMappingResponse();
}
}