| /* |
| * 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.solr.handler.export; |
| |
| import java.io.IOException; |
| import java.util.Date; |
| |
| import com.carrotsearch.hppc.IntObjectHashMap; |
| import org.apache.lucene.index.DocValues; |
| import org.apache.lucene.index.LeafReaderContext; |
| import org.apache.lucene.index.NumericDocValues; |
| import org.apache.solr.common.MapWriter; |
| |
| class DateFieldWriter extends FieldWriter { |
| private String field; |
| private IntObjectHashMap<NumericDocValues> docValuesCache = new IntObjectHashMap<>(); |
| |
| |
| public DateFieldWriter(String field) { |
| this.field = field; |
| } |
| |
| public boolean write(SortDoc sortDoc, LeafReaderContext readerContext, MapWriter.EntryWriter ew, int fieldIndex) throws IOException { |
| Long val; |
| SortValue sortValue = sortDoc.getSortValue(this.field); |
| if (sortValue != null) { |
| if (sortValue.isPresent()) { |
| val = (long) sortValue.getCurrentValue(); |
| } else { //empty-value |
| return false; |
| } |
| } else { |
| // field is not part of 'sort' param, but part of 'fl' param |
| int readerOrd = readerContext.ord; |
| NumericDocValues vals = null; |
| if(docValuesCache.containsKey(readerOrd)) { |
| NumericDocValues numericDocValues = docValuesCache.get(readerOrd); |
| if(numericDocValues.docID() < sortDoc.docId) { |
| //We have not advanced beyond the current docId so we can use this docValues. |
| vals = numericDocValues; |
| } |
| } |
| |
| if(vals == null) { |
| vals = DocValues.getNumeric(readerContext.reader(), this.field); |
| docValuesCache.put(readerOrd, vals); |
| } |
| |
| if (vals.advance(sortDoc.docId) == sortDoc.docId) { |
| val = vals.longValue(); |
| } else { |
| return false; |
| } |
| } |
| ew.put(this.field, new Date(val)); |
| return true; |
| } |
| } |