001/* 002 * (C) Copyright 2014 Nuxeo SA (http://nuxeo.com/) and others. 003 * 004 * Licensed under the Apache License, Version 2.0 (the "License"); 005 * you may not use this file except in compliance with the License. 006 * You may obtain a copy of the License at 007 * 008 * http://www.apache.org/licenses/LICENSE-2.0 009 * 010 * Unless required by applicable law or agreed to in writing, software 011 * distributed under the License is distributed on an "AS IS" BASIS, 012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 013 * See the License for the specific language governing permissions and 014 * limitations under the License. 015 * 016 * Contributors: 017 * bdelbosc 018 */ 019package org.nuxeo.elasticsearch.fetcher; 020 021import java.io.Serializable; 022import java.util.ArrayList; 023import java.util.HashMap; 024import java.util.List; 025import java.util.Map; 026 027import org.elasticsearch.action.search.SearchResponse; 028import org.elasticsearch.common.text.Text; 029import org.elasticsearch.search.SearchHit; 030import org.elasticsearch.search.highlight.HighlightField; 031import org.nuxeo.ecm.core.api.CoreSession; 032import org.nuxeo.ecm.core.api.DocumentModel; 033import org.nuxeo.ecm.core.api.impl.DocumentModelListImpl; 034import org.nuxeo.ecm.platform.query.api.PageProvider; 035import org.nuxeo.elasticsearch.io.DocumentModelReaders; 036 037/** 038 * @since 6.0 039 */ 040public class EsFetcher extends Fetcher { 041 042 public EsFetcher(CoreSession session, SearchResponse response, Map<String, String> repoNames) { 043 super(session, response, repoNames); 044 } 045 046 @Override 047 public DocumentModelListImpl fetchDocuments() { 048 DocumentModelListImpl ret = new DocumentModelListImpl(getResponse().getHits().getHits().length); 049 DocumentModel doc; 050 String sid = getSession().getSessionId(); 051 for (SearchHit hit : getResponse().getHits()) { 052 // TODO: this does not work on multi repo 053 doc = DocumentModelReaders.fromSource(hit.getSource()).sid(sid).getDocumentModel(); 054 // Add highlight if it exists 055 Map<String, HighlightField> esHighlights = hit.highlightFields(); 056 if (!esHighlights.isEmpty()) { 057 Map<String, List<String>> fields = new HashMap<>(); 058 for (Map.Entry<String, HighlightField> entry : esHighlights.entrySet()) { 059 String field = entry.getKey(); 060 List<String> list = new ArrayList<>(); 061 for (Text fragment : entry.getValue().getFragments()) { 062 list.add(fragment.toString()); 063 } 064 fields.put(field, list); 065 } 066 doc.putContextData(PageProvider.HIGHLIGHT_CTX_DATA, (Serializable) fields); 067 } 068 ret.add(doc); 069 } 070 return ret; 071 } 072}