| package org.apache.lucene.index; |
| |
| /* |
| * 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. |
| */ |
| |
| import java.io.IOException; |
| import java.util.Map; |
| |
| import org.apache.lucene.codecs.DocValuesConsumer; |
| import org.apache.lucene.codecs.NormsFormat; |
| import org.apache.lucene.index.FieldInfo.DocValuesType; |
| import org.apache.lucene.util.IOUtils; |
| |
| // TODO FI: norms could actually be stored as doc store |
| |
| /** Writes norms. Each thread X field accumulates the norms |
| * for the doc/fields it saw, then the flush method below |
| * merges all of these together into a single _X.nrm file. |
| */ |
| |
| final class NormsConsumer extends InvertedDocEndConsumer { |
| |
| @Override |
| void abort() {} |
| |
| @Override |
| public void flush(Map<String,InvertedDocEndConsumerPerField> fieldsToFlush, SegmentWriteState state) throws IOException { |
| boolean success = false; |
| DocValuesConsumer normsConsumer = null; |
| try { |
| if (state.fieldInfos.hasNorms()) { |
| NormsFormat normsFormat = state.segmentInfo.getCodec().normsFormat(); |
| assert normsFormat != null; |
| normsConsumer = normsFormat.normsConsumer(state); |
| |
| for (FieldInfo fi : state.fieldInfos) { |
| final NormsConsumerPerField toWrite = (NormsConsumerPerField) fieldsToFlush.get(fi.name); |
| // we must check the final value of omitNorms for the fieldinfo, it could have |
| // changed for this field since the first time we added it. |
| if (!fi.omitsNorms()) { |
| if (toWrite != null && !toWrite.isEmpty()) { |
| toWrite.flush(state, normsConsumer); |
| assert fi.getNormType() == DocValuesType.NUMERIC; |
| } else if (fi.isIndexed()) { |
| assert fi.getNormType() == null: "got " + fi.getNormType() + "; field=" + fi.name; |
| } |
| } |
| } |
| } |
| success = true; |
| } finally { |
| if (success) { |
| IOUtils.close(normsConsumer); |
| } else { |
| IOUtils.closeWhileHandlingException(normsConsumer); |
| } |
| } |
| } |
| |
| @Override |
| void finishDocument() {} |
| |
| @Override |
| void startDocument() {} |
| |
| @Override |
| InvertedDocEndConsumerPerField addField(DocInverterPerField docInverterPerField, FieldInfo fieldInfo) { |
| return new NormsConsumerPerField(docInverterPerField, fieldInfo, this); |
| } |
| } |