/*
* Licensed to Elasticsearch under one or more contributor
* license agreements. See the NOTICE file distributed with
* this work for additional information 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
*
* 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.
*/
package org.elasticsearch.index.reindex;
import org.elasticsearch.ElasticsearchException;
import org.elasticsearch.action.search.SearchRequest;
import org.elasticsearch.client.node.NodeClient;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.rest.RestController;
import org.elasticsearch.rest.RestRequest;
import java.io.IOException;
import java.util.HashMap;
import java.util.Map;
import java.util.function.Consumer;
import static org.elasticsearch.rest.RestRequest.Method.POST;
public class RestDeleteByQueryAction extends AbstractBulkByQueryRestHandler<DeleteByQueryRequest, DeleteByQueryAction> {
public RestDeleteByQueryAction(Settings settings, RestController controller) {
super(settings, DeleteByQueryAction.INSTANCE);
controller.registerHandler(POST, "/{index}/_delete_by_query", this);
controller.registerHandler(POST, "/{index}/{type}/_delete_by_query", this);
}
@Override
public RestChannelConsumer prepareRequest(RestRequest request, NodeClient client) throws IOException {
return doPrepareRequest(request, client, false, false);
}
@Override
protected DeleteByQueryRequest buildRequest(RestRequest request) throws IOException {
if (false == request.hasContent()) {
throw new ElasticsearchException("_delete_by_query requires a request body");
}
/*
* Passing the search request through DeleteByQueryRequest first allows
* it to set its own defaults which differ from SearchRequest's
* defaults. Then the parseInternalRequest can override them.
*/
DeleteByQueryRequest internal = new DeleteByQueryRequest(new SearchRequest());
Map<String, Consumer<Object>> consumers = new HashMap<>();
consumers.put("conflicts", o -> internal.setConflicts((String) o));
parseInternalRequest(internal, request, consumers);
return internal;
}
}