| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF 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.apache.metron.solr.dao; |
| |
| import static org.apache.metron.solr.dao.SolrMetaAlertDao.METAALERTS_COLLECTION; |
| |
| import java.io.IOException; |
| import java.util.List; |
| import org.apache.metron.common.Constants; |
| import org.apache.metron.indexing.dao.metaalert.MetaAlertConstants; |
| import org.apache.metron.indexing.dao.metaalert.MetaAlertRetrieveLatestDao; |
| import org.apache.metron.indexing.dao.search.GetRequest; |
| import org.apache.metron.indexing.dao.update.Document; |
| import org.apache.solr.client.solrj.SolrClient; |
| import org.apache.solr.client.solrj.SolrQuery; |
| import org.apache.solr.client.solrj.SolrServerException; |
| import org.apache.solr.client.solrj.response.QueryResponse; |
| import org.apache.solr.common.SolrDocument; |
| |
| public class SolrMetaAlertRetrieveLatestDao implements |
| MetaAlertRetrieveLatestDao { |
| |
| private SolrDao solrDao; |
| private SolrClient solrClient; |
| |
| public SolrMetaAlertRetrieveLatestDao(SolrClient client, SolrDao solrDao) { |
| this.solrClient = client; |
| this.solrDao = solrDao; |
| } |
| |
| @Override |
| public Document getLatest(String guid, String sensorType) throws IOException { |
| if (MetaAlertConstants.METAALERT_TYPE.equals(sensorType)) { |
| // Unfortunately, we can't just defer to the indexDao for this. Child alerts in Solr end up |
| // having to be dug out. |
| String guidClause = Constants.GUID + ":" + guid; |
| SolrQuery query = new SolrQuery(); |
| query.setQuery(guidClause) |
| .setFields("*", "[child parentFilter=" + guidClause + " limit=999]"); |
| |
| try { |
| QueryResponse response = solrClient.query(METAALERTS_COLLECTION, query); |
| // GUID is unique, so it's definitely the first result |
| if (response.getResults().size() == 1) { |
| SolrDocument result = response.getResults().get(0); |
| |
| return SolrUtilities.toDocument(result); |
| } else { |
| return null; |
| } |
| } catch (SolrServerException e) { |
| throw new IOException("Unable to retrieve metaalert", e); |
| } |
| } else { |
| return solrDao.getLatest(guid, sensorType); |
| } |
| } |
| |
| @Override |
| public Iterable<Document> getAllLatest(List<GetRequest> getRequests) throws IOException { |
| return solrDao.getAllLatest(getRequests); |
| } |
| } |