| using Lucene.Net.Diagnostics; |
| using Lucene.Net.Store; |
| using Lucene.Net.Util; |
| |
| namespace Lucene.Net.Codecs.Compressing.Dummy |
| { |
| /* |
| * 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> |
| /// <see cref="CompressingCodec"/> that does not compress data, useful for testing. </summary> |
| // In its own package to make sure the oal.codecs.compressing classes are |
| // visible enough to let people write their own CompressionMode |
| [CodecName("DummyCompressingStoredFields")] |
| public class DummyCompressingCodec : CompressingCodec |
| { |
| public static readonly CompressionMode DUMMY = new CompressionModeAnonymousClass(); |
| |
| private class CompressionModeAnonymousClass : CompressionMode |
| { |
| public CompressionModeAnonymousClass() |
| { } |
| |
| public override Compressor NewCompressor() |
| { |
| return DUMMY_COMPRESSOR; |
| } |
| |
| public override Decompressor NewDecompressor() |
| { |
| return DUMMY_DECOMPRESSOR; |
| } |
| |
| public override string ToString() |
| { |
| return "DUMMY"; |
| } |
| } |
| |
| private static readonly Decompressor DUMMY_DECOMPRESSOR = new DecompressorAnonymousClass(); |
| |
| private class DecompressorAnonymousClass : Decompressor |
| { |
| public override void Decompress(DataInput @in, int originalLength, int offset, int length, BytesRef bytes) |
| { |
| if (Debugging.AssertsEnabled) Debugging.Assert(offset + length <= originalLength); |
| if (bytes.Bytes.Length < originalLength) |
| { |
| bytes.Bytes = new byte[ArrayUtil.Oversize(originalLength, 1)]; |
| } |
| @in.ReadBytes(bytes.Bytes, 0, offset + length); |
| bytes.Offset = offset; |
| bytes.Length = length; |
| } |
| |
| public override object Clone() |
| { |
| return this; |
| } |
| } |
| |
| private static readonly Compressor DUMMY_COMPRESSOR = new CompressorAnonymousClass(); |
| |
| private class CompressorAnonymousClass : Compressor |
| { |
| public override void Compress(byte[] bytes, int off, int len, DataOutput @out) |
| { |
| @out.WriteBytes(bytes, off, len); |
| } |
| } |
| |
| /// <summary> |
| /// Constructor that allows to configure the <paramref name="chunkSize"/>. </summary> |
| public DummyCompressingCodec(int chunkSize, bool withSegmentSuffix) |
| : base(withSegmentSuffix ? "DummyCompressingStoredFields" : "", DUMMY, chunkSize) |
| { } |
| |
| /// <summary> |
| /// Default constructor. </summary> |
| public DummyCompressingCodec() |
| : this(1 << 14, false) |
| { } |
| } |
| } |