| /* |
| * 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 java.util.function.LongFunction; |
| |
| import org.apache.lucene.index.DocValues; |
| import org.apache.lucene.index.IndexableField; |
| import org.apache.lucene.index.LeafReader; |
| import org.apache.lucene.index.SortedNumericDocValues; |
| import org.apache.lucene.index.SortedSetDocValues; |
| import org.apache.lucene.util.BytesRef; |
| import org.apache.lucene.util.CharsRefBuilder; |
| import org.apache.lucene.util.NumericUtils; |
| import org.apache.solr.common.IteratorWriter; |
| import org.apache.solr.common.MapWriter; |
| import org.apache.solr.schema.FieldType; |
| import org.apache.solr.schema.SchemaField; |
| |
| class MultiFieldWriter extends FieldWriter { |
| private String field; |
| private FieldType fieldType; |
| private SchemaField schemaField; |
| private boolean numeric; |
| private CharsRefBuilder cref = new CharsRefBuilder(); |
| private final LongFunction<Object> bitsToValue; |
| |
| public MultiFieldWriter(String field, FieldType fieldType, SchemaField schemaField, boolean numeric) { |
| this.field = field; |
| this.fieldType = fieldType; |
| this.schemaField = schemaField; |
| this.numeric = numeric; |
| if (this.fieldType.isPointField()) { |
| bitsToValue = bitsToValue(fieldType); |
| } else { |
| bitsToValue = null; |
| } |
| } |
| |
| public boolean write(SortDoc sortDoc, LeafReader reader, MapWriter.EntryWriter out, int fieldIndex) throws IOException { |
| if (this.fieldType.isPointField()) { |
| SortedNumericDocValues vals = DocValues.getSortedNumeric(reader, this.field); |
| if (!vals.advanceExact(sortDoc.docId)) return false; |
| out.put(this.field, |
| (IteratorWriter) w -> { |
| for (int i = 0, count = vals.docValueCount(); i < count; i++) { |
| w.add(bitsToValue.apply(vals.nextValue())); |
| } |
| }); |
| return true; |
| } else { |
| SortedSetDocValues vals = DocValues.getSortedSet(reader, this.field); |
| if (vals.advance(sortDoc.docId) != sortDoc.docId) return false; |
| out.put(this.field, |
| (IteratorWriter) w -> { |
| long o; |
| while((o = vals.nextOrd()) != SortedSetDocValues.NO_MORE_ORDS) { |
| BytesRef ref = vals.lookupOrd(o); |
| fieldType.indexedToReadable(ref, cref); |
| IndexableField f = fieldType.createField(schemaField, cref.toString()); |
| if (f == null) w.add(cref.toString()); |
| else w.add(fieldType.toObject(f)); |
| } |
| }); |
| return true; |
| } |
| |
| } |
| |
| |
| static LongFunction<Object> bitsToValue(FieldType fieldType) { |
| switch (fieldType.getNumberType()) { |
| case LONG: |
| return (bits)-> bits; |
| case DATE: |
| return (bits)-> new Date(bits); |
| case INTEGER: |
| return (bits)-> (int)bits; |
| case FLOAT: |
| return (bits)-> NumericUtils.sortableIntToFloat((int)bits); |
| case DOUBLE: |
| return (bits)-> NumericUtils.sortableLongToDouble(bits); |
| default: |
| throw new AssertionError("Unsupported NumberType: " + fieldType.getNumberType()); |
| } |
| } |
| } |