/*
* Licensed to Luca Cavanna (the "Author") under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. Elastic Search 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.shell.client.builders.core;
import org.elasticsearch.ElasticSearchException;
import org.elasticsearch.action.ActionFuture;
import org.elasticsearch.action.suggest.SuggestRequest;
import org.elasticsearch.action.suggest.SuggestResponse;
import org.elasticsearch.client.Client;
import org.elasticsearch.client.Requests;
import org.elasticsearch.common.xcontent.ToXContent;
import org.elasticsearch.common.xcontent.XContentBuilder;
import org.elasticsearch.common.xcontent.XContentFactory;
import org.elasticsearch.search.suggest.Suggest;
import org.elasticsearch.search.suggest.SuggestBuilder;
import org.elasticsearch.shell.client.builders.AbstractRequestBuilderJsonOutput;
import org.elasticsearch.shell.json.JsonToString;
import org.elasticsearch.shell.json.StringToJson;
import java.io.IOException;
import static org.elasticsearch.rest.action.support.RestActions.buildBroadcastShardsHeader;
/**
* @author Luca Cavanna
*
* Request builder for suggest API
*/
public class SuggestRequestBuilder<JsonInput, JsonOutput> extends AbstractRequestBuilderJsonOutput<SuggestRequest, SuggestResponse, JsonInput, JsonOutput> {
final SuggestBuilder suggest = new SuggestBuilder();
public SuggestRequestBuilder(Client client, JsonToString<JsonInput> jsonToString, StringToJson<JsonOutput> stringToJson) {
super(client, new SuggestRequest(), jsonToString, stringToJson);
}
public SuggestRequestBuilder<JsonInput, JsonOutput> indices(String... indices) {
this.request.indices(indices);
return this;
}
public <T> SuggestRequestBuilder<JsonInput, JsonOutput> addSuggestion(SuggestBuilder.SuggestionBuilder<T> suggestion) {
suggest.addSuggestion(suggestion);
return this;
}
public SuggestRequestBuilder<JsonInput, JsonOutput> suggestText(String globalText) {
this.suggest.setText(globalText);
return this;
}
public SuggestRequestBuilder<JsonInput, JsonOutput> preference(String preference) {
request.preference(preference);
return this;
}
public SuggestRequestBuilder<JsonInput, JsonOutput> routing(String... routing) {
request.routing(routing);
return this;
}
@Override
protected SuggestRequest request() {
SuggestRequest suggestRequest = super.request();
try {
XContentBuilder builder = XContentFactory.contentBuilder(Requests.CONTENT_TYPE);
suggest.toXContent(builder, ToXContent.EMPTY_PARAMS);
suggestRequest.suggest(builder.bytes());
} catch (IOException e) {
throw new ElasticSearchException("Unable to build suggestion request", e);
}
return suggestRequest;
}
@Override
protected ActionFuture<SuggestResponse> doExecute(SuggestRequest request) {
return client.suggest(request);
}
@Override
protected XContentBuilder toXContent(SuggestRequest request, SuggestResponse response, XContentBuilder builder) throws IOException {
builder.startObject();
buildBroadcastShardsHeader(builder, response);
Suggest suggest = response.getSuggest();
if (suggest != null) {
suggest.toXContent(builder, ToXContent.EMPTY_PARAMS);
}
builder.endObject();
return builder;
}
}