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/*
* 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.rest.action.get;
import org.elasticsearch.action.get.MultiGetRequest;
import org.elasticsearch.action.get.MultiGetResponse;
import org.elasticsearch.client.node.NodeClient;
import org.elasticsearch.common.Strings;
import org.elasticsearch.common.inject.Inject;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.rest.BaseRestHandler;
import org.elasticsearch.rest.RestChannel;
import org.elasticsearch.rest.RestController;
import org.elasticsearch.rest.RestRequest;
import org.elasticsearch.rest.action.support.RestActions;
import org.elasticsearch.rest.action.support.RestToXContentListener;
import org.elasticsearch.search.fetch.subphase.FetchSourceContext;
import static org.elasticsearch.rest.RestRequest.Method.GET;
import static org.elasticsearch.rest.RestRequest.Method.POST;
public class RestMultiGetAction extends BaseRestHandler {
private final boolean allowExplicitIndex;
@Inject
public RestMultiGetAction(Settings settings, RestController controller) {
super(settings);
controller.registerHandler(GET, "/_mget", this);
controller.registerHandler(POST, "/_mget", this);
controller.registerHandler(GET, "/{index}/_mget", this);
controller.registerHandler(POST, "/{index}/_mget", this);
controller.registerHandler(GET, "/{index}/{type}/_mget", this);
controller.registerHandler(POST, "/{index}/{type}/_mget", this);
this.allowExplicitIndex = MULTI_ALLOW_EXPLICIT_INDEX.get(settings);
}
@Override
public void handleRequest(final RestRequest request, final RestChannel channel, final NodeClient client) throws Exception {
MultiGetRequest multiGetRequest = new MultiGetRequest();
multiGetRequest.refresh(request.paramAsBoolean("refresh", multiGetRequest.refresh()));
multiGetRequest.preference(request.param("preference"));
multiGetRequest.realtime(request.paramAsBoolean("realtime", multiGetRequest.realtime()));
multiGetRequest.ignoreErrorsOnGeneratedFields(request.paramAsBoolean("ignore_errors_on_generated_fields", false));
String[] sFields = null;
String sField = request.param("fields");
if (sField != null) {
sFields = Strings.splitStringByCommaToArray(sField);
}
FetchSourceContext defaultFetchSource = FetchSourceContext.parseFromRestRequest(request);
multiGetRequest.add(request.param("index"), request.param("type"), sFields, defaultFetchSource, request.param("routing"), RestActions.getRestContent(request), allowExplicitIndex);
client.multiGet(multiGetRequest, new RestToXContentListener<MultiGetResponse>(channel));
}
}
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