/*
* Licensed to CRATE Technology GmbH ("Crate") under one or more contributor
* license agreements. See the NOTICE file distributed with this work for
* additional information regarding copyright ownership. Crate 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
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
*
* However, if you have executed another commercial license agreement
* with Crate these terms will supersede the license and you may use the
* software solely pursuant to the terms of the relevant commercial agreement.
*/
package io.crate.executor.transport.task.elasticsearch;
import com.google.common.util.concurrent.SettableFuture;
import io.crate.Constants;
import io.crate.executor.RowCountResult;
import io.crate.executor.TaskResult;
import io.crate.executor.transport.task.elasticsearch.facet.InternalUpdateFacet;
import io.crate.executor.transport.task.elasticsearch.facet.UpdateFacet;
import io.crate.planner.node.dml.ESUpdateNode;
import org.elasticsearch.action.ActionListener;
import org.elasticsearch.action.search.SearchRequest;
import org.elasticsearch.action.search.SearchResponse;
import org.elasticsearch.action.search.TransportSearchAction;
import java.io.IOException;
public class ESUpdateByQueryTask extends AbstractESUpdateTask {
static class UpdateByQueryResponseListener implements ActionListener<SearchResponse> {
private final SettableFuture<TaskResult> future;
UpdateByQueryResponseListener(SettableFuture<TaskResult> future) {
this.future = future;
}
@Override
public void onResponse(SearchResponse searchResponse) {
InternalUpdateFacet facet = searchResponse.getFacets().facet(InternalUpdateFacet.class, UpdateFacet.TYPE);
facet.reduce();
future.set(new RowCountResult(facet.rowCount()));
}
@Override
public void onFailure(Throwable e) {
future.setException(e);
}
}
private final TransportSearchAction transport;
private final ActionListener<SearchResponse> listener;
private final SearchRequest request;
private final ESQueryBuilder queryBuilder;
public ESUpdateByQueryTask(TransportSearchAction transport, ESUpdateNode node) {
super(node);
this.transport = transport;
this.queryBuilder = new ESQueryBuilder();
this.request = buildRequest(node);
this.listener = new UpdateByQueryResponseListener(result);
}
private SearchRequest buildRequest(ESUpdateNode node) {
SearchRequest searchRequest = new SearchRequest();
searchRequest.indices(node.indices());
searchRequest.types(Constants.DEFAULT_MAPPING_TYPE);
searchRequest.preference("_primary");
searchRequest.routing(node.whereClause().clusteredBy().orNull());
try {
searchRequest.source(queryBuilder.convert(node), false);
} catch (IOException e) {
result.setException(e);
}
return searchRequest;
}
@Override
public void start() {
transport.execute(this.request, this.listener);
}
}