/** * Copyright 2016 Netflix, Inc. * * Licensed 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 com.netflix.search.query.engine.solr; import java.io.IOException; import java.util.List; import java.util.Set; import org.apache.http.NameValuePair; import org.apache.http.client.utils.URLEncodedUtils; import org.apache.http.message.BasicNameValuePair; import com.fasterxml.jackson.core.JsonProcessingException; import com.fasterxml.jackson.databind.JsonNode; import com.fasterxml.jackson.databind.ObjectMapper; import com.google.api.client.util.Lists; import com.google.common.collect.Sets; import com.netflix.search.query.Properties; import com.netflix.search.query.engine.BaseIndexer; import com.netflix.search.query.engine.BaseSearcher; public class SolrSearcher extends BaseSearcher { public String getUrlForGettingDoc(String q, List<String> languages, String dataSetId) { List<NameValuePair> parameters = Lists.newArrayList(); parameters.add(new BasicNameValuePair("q", getPhraseQueryString(q))); parameters.add(new BasicNameValuePair("defType", "edismax")); parameters.add(new BasicNameValuePair("lowercaseOperators", "false")); parameters.add(new BasicNameValuePair("rows", "100000")); parameters.add(new BasicNameValuePair("qs", "10")); parameters.add(new BasicNameValuePair("fl", Properties.idField.get() + ", " + Properties.titleFields.get().get(0) + "_en")); parameters.add(new BasicNameValuePair("sort", Properties.idField.get() + " DESC")); parameters.add(new BasicNameValuePair("qf", getQueryFields(languages))); parameters.add(new BasicNameValuePair("fq", Properties.docTypeFieldName.get() + ":" + dataSetId)); parameters.add(new BasicNameValuePair("wt", "json")); return getServerUrl() + "/select?" + URLEncodedUtils.format(parameters, BaseIndexer.ENCODING); } public Set<String> getResultsFromServerResponse(String output) throws IOException, JsonProcessingException { Set<String> results = Sets.newHashSet(); ObjectMapper mapper = new ObjectMapper(); JsonNode actualObj = mapper.readTree(output); JsonNode arrNode = actualObj.get("response").get("docs"); if (arrNode.isArray()) { for (final JsonNode objNode : arrNode) { results.add(objNode.get("id").textValue()); } } return results; } }