| using Lucene.Net.Codecs.DiskDV; |
| using Lucene.Net.Codecs.Lucene40; |
| using Lucene.Net.Codecs.Lucene41; |
| using Lucene.Net.Codecs.Lucene46; |
| |
| namespace Lucene.Net.Codecs.CheapBastard |
| { |
| /** |
| * 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> |
| /// Codec that tries to use as little ram as possible because he spent all his money on beer |
| /// </summary> |
| // TODO: better name :) |
| // but if we named it "LowMemory" in codecs/ package, it would be irresistible like optimize()! |
| public class CheapBastardCodec : FilterCodec |
| { |
| // TODO: would be better to have no terms index at all and bsearch a terms dict |
| private readonly PostingsFormat postings = new Lucene41PostingsFormat(100, 200); |
| // uncompressing versions, waste lots of disk but no ram |
| private readonly StoredFieldsFormat storedFields = new Lucene40StoredFieldsFormat(); |
| private readonly TermVectorsFormat termVectors = new Lucene40TermVectorsFormat(); |
| // these go to disk for all docvalues/norms datastructures |
| private readonly DocValuesFormat docValues = new DiskDocValuesFormat(); |
| private readonly NormsFormat norms = new DiskNormsFormat(); |
| |
| public CheapBastardCodec() |
| : base(new Lucene46Codec()) |
| { } |
| |
| public override PostingsFormat PostingsFormat => postings; |
| |
| public override DocValuesFormat DocValuesFormat => docValues; |
| |
| public override NormsFormat NormsFormat => norms; |
| |
| public override StoredFieldsFormat StoredFieldsFormat => storedFields; |
| |
| public override TermVectorsFormat TermVectorsFormat => termVectors; |
| } |
| } |