| using System.Collections.Generic; |
| |
| namespace Lucene.Net.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. |
| */ |
| |
| /// <summary> |
| /// this is a DocFieldConsumer that inverts each field, |
| /// separately, from a Document, and accepts a |
| /// InvertedTermsConsumer to process those terms. |
| /// </summary> |
| public sealed class DocInverter : DocFieldConsumer |
| { |
| internal readonly InvertedDocConsumer Consumer; |
| internal readonly InvertedDocEndConsumer EndConsumer; |
| |
| internal readonly DocumentsWriterPerThread.DocState DocState; |
| |
| public DocInverter(DocumentsWriterPerThread.DocState docState, InvertedDocConsumer consumer, InvertedDocEndConsumer endConsumer) |
| { |
| this.DocState = docState; |
| this.Consumer = consumer; |
| this.EndConsumer = endConsumer; |
| } |
| |
| public override void Flush(IDictionary<string, DocFieldConsumerPerField> fieldsToFlush, SegmentWriteState state) |
| { |
| IDictionary<string, InvertedDocConsumerPerField> childFieldsToFlush = new Dictionary<string, InvertedDocConsumerPerField>(); |
| IDictionary<string, InvertedDocEndConsumerPerField> endChildFieldsToFlush = new Dictionary<string, InvertedDocEndConsumerPerField>(); |
| |
| foreach (KeyValuePair<string, DocFieldConsumerPerField> fieldToFlush in fieldsToFlush) |
| { |
| DocInverterPerField perField = (DocInverterPerField)fieldToFlush.Value; |
| childFieldsToFlush[fieldToFlush.Key] = perField.Consumer; |
| endChildFieldsToFlush[fieldToFlush.Key] = perField.EndConsumer; |
| } |
| |
| Consumer.Flush(childFieldsToFlush, state); |
| EndConsumer.Flush(endChildFieldsToFlush, state); |
| } |
| |
| public override void StartDocument() |
| { |
| Consumer.StartDocument(); |
| EndConsumer.StartDocument(); |
| } |
| |
| public override void FinishDocument() |
| { |
| // TODO: allow endConsumer.finishDocument to also return |
| // a DocWriter |
| EndConsumer.FinishDocument(); |
| Consumer.FinishDocument(); |
| } |
| |
| public override void Abort() |
| { |
| try |
| { |
| Consumer.Abort(); |
| } |
| finally |
| { |
| EndConsumer.Abort(); |
| } |
| } |
| |
| public override DocFieldConsumerPerField AddField(FieldInfo fi) |
| { |
| return new DocInverterPerField(this, fi); |
| } |
| } |
| } |