org.opensearch.script.mustache.RestSearchTemplateAction Maven / Gradle / Ivy
/*
* SPDX-License-Identifier: Apache-2.0
*
* The OpenSearch Contributors require contributions made to
* this file be licensed under the Apache-2.0 license or a
* compatible open source license.
*/
/*
* 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.
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/*
* Modifications Copyright OpenSearch Contributors. See
* GitHub history for details.
*/
package org.opensearch.script.mustache;
import org.opensearch.action.search.SearchRequest;
import org.opensearch.client.node.NodeClient;
import org.opensearch.core.xcontent.XContentParser;
import org.opensearch.rest.BaseRestHandler;
import org.opensearch.rest.RestRequest;
import org.opensearch.rest.action.RestStatusToXContentListener;
import org.opensearch.rest.action.search.RestSearchAction;
import java.io.IOException;
import java.util.Arrays;
import java.util.Collections;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
import static java.util.Arrays.asList;
import static java.util.Collections.unmodifiableList;
import static org.opensearch.rest.RestRequest.Method.GET;
import static org.opensearch.rest.RestRequest.Method.POST;
public class RestSearchTemplateAction extends BaseRestHandler {
public static final String TYPED_KEYS_PARAM = "typed_keys";
private static final Set RESPONSE_PARAMS;
static {
final Set responseParams = new HashSet<>(Arrays.asList(TYPED_KEYS_PARAM, RestSearchAction.TOTAL_HITS_AS_INT_PARAM));
RESPONSE_PARAMS = Collections.unmodifiableSet(responseParams);
}
@Override
public List routes() {
return unmodifiableList(
asList(
new Route(GET, "/_search/template"),
new Route(POST, "/_search/template"),
new Route(GET, "/{index}/_search/template"),
new Route(POST, "/{index}/_search/template")
)
);
}
@Override
public String getName() {
return "search_template_action";
}
@Override
public RestChannelConsumer prepareRequest(RestRequest request, NodeClient client) throws IOException {
// Creates the search request with all required params
SearchRequest searchRequest = new SearchRequest();
RestSearchAction.parseSearchRequest(
searchRequest,
request,
null,
client.getNamedWriteableRegistry(),
size -> searchRequest.source().size(size)
);
// Creates the search template request
SearchTemplateRequest searchTemplateRequest;
try (XContentParser parser = request.contentOrSourceParamParser()) {
searchTemplateRequest = SearchTemplateRequest.fromXContent(parser);
}
searchTemplateRequest.setRequest(searchRequest);
return channel -> client.execute(SearchTemplateAction.INSTANCE, searchTemplateRequest, new RestStatusToXContentListener<>(channel));
}
@Override
protected Set responseParams() {
return RESPONSE_PARAMS;
}
}