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* 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
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package org.elasticsearch.rest.action.get;
import org.elasticsearch.action.get.MultiGetRequest;
import org.elasticsearch.action.get.MultiGetResponse;
import org.elasticsearch.client.Client;
import org.elasticsearch.common.Strings;
import org.elasticsearch.common.inject.Inject;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.rest.*;
import org.elasticsearch.rest.action.support.RestActions;
import org.elasticsearch.rest.action.support.RestToXContentListener;
import org.elasticsearch.search.fetch.source.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, Client client) {
super(settings, controller, client);
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 = settings.getAsBoolean("rest.action.multi.allow_explicit_index", true);
}
@Override
public void handleRequest(final RestRequest request, final RestChannel channel, final Client client) throws Exception {
MultiGetRequest multiGetRequest = new MultiGetRequest();
multiGetRequest.listenerThreaded(false);
multiGetRequest.refresh(request.paramAsBoolean("refresh", multiGetRequest.refresh()));
multiGetRequest.preference(request.param("preference"));
multiGetRequest.realtime(request.paramAsBoolean("realtime", null));
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));
}
}