| /* |
| * 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 org.apache.lucene.index.DocValues; |
| import org.apache.lucene.index.LeafReader; |
| import org.apache.lucene.index.SortedDocValues; |
| import org.apache.lucene.util.BytesRef; |
| import org.apache.lucene.util.CharsRefBuilder; |
| import org.apache.solr.common.MapWriter; |
| import org.apache.solr.schema.FieldType; |
| |
| class BoolFieldWriter extends FieldWriter { |
| private String field; |
| private FieldType fieldType; |
| private CharsRefBuilder cref = new CharsRefBuilder(); |
| |
| public BoolFieldWriter(String field, FieldType fieldType) { |
| this.field = field; |
| this.fieldType = fieldType; |
| } |
| |
| public boolean write(SortDoc sortDoc, LeafReader reader, MapWriter.EntryWriter ew, int fieldIndex) throws IOException { |
| BytesRef ref; |
| SortValue sortValue = sortDoc.getSortValue(this.field); |
| if (sortValue != null) { |
| if (sortValue.isPresent()) { |
| ref = (BytesRef) sortValue.getCurrentValue(); |
| } else { //empty-value |
| return false; |
| } |
| } else { |
| // field is not part of 'sort' param, but part of 'fl' param |
| SortedDocValues vals = DocValues.getSorted(reader, this.field); |
| if (vals.advance(sortDoc.docId) != sortDoc.docId) { |
| return false; |
| } |
| int ord = vals.ordValue(); |
| ref = vals.lookupOrd(ord); |
| } |
| |
| fieldType.indexedToReadable(ref, cref); |
| ew.put(this.field, "true".equals(cref.toString())); |
| return true; |
| } |
| } |