Java tutorial
/* * 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. */ package org.elasticsearch.search.lookup; import com.google.common.collect.ImmutableMap; import org.apache.lucene.index.AtomicReaderContext; import org.apache.lucene.search.Scorer; import org.elasticsearch.common.Nullable; import org.elasticsearch.index.fielddata.IndexFieldDataService; import org.elasticsearch.index.mapper.MapperService; /** * */ public class SearchLookup { final DocLookup docMap; final SourceLookup sourceLookup; final FieldsLookup fieldsLookup; final IndexLookup indexLookup; final ImmutableMap<String, Object> asMap; public SearchLookup(MapperService mapperService, IndexFieldDataService fieldDataService, @Nullable String[] types) { ImmutableMap.Builder<String, Object> builder = ImmutableMap.builder(); docMap = new DocLookup(mapperService, fieldDataService, types); sourceLookup = new SourceLookup(); fieldsLookup = new FieldsLookup(mapperService, types); indexLookup = new IndexLookup(builder); builder.put("doc", docMap); builder.put("_doc", docMap); builder.put("_source", sourceLookup); builder.put("_fields", fieldsLookup); builder.put("_index", indexLookup); asMap = builder.build(); } public ImmutableMap<String, Object> asMap() { return this.asMap; } public SourceLookup source() { return this.sourceLookup; } public IndexLookup indexLookup() { return this.indexLookup; } public FieldsLookup fields() { return this.fieldsLookup; } public DocLookup doc() { return this.docMap; } public void setScorer(Scorer scorer) { docMap.setScorer(scorer); } public void setNextReader(AtomicReaderContext context) { docMap.setNextReader(context); sourceLookup.setNextReader(context); fieldsLookup.setNextReader(context); indexLookup.setNextReader(context); } public void setNextDocId(int docId) { docMap.setNextDocId(docId); sourceLookup.setNextDocId(docId); fieldsLookup.setNextDocId(docId); indexLookup.setNextDocId(docId); } }