| /* |
| * 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 |
| * |
| * https://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. |
| */ |
| |
| using System.IO; |
| |
| namespace Avro.File |
| { |
| /// <summary> |
| /// Implements a codec that does not perform any compression. This codec simply returns the |
| /// bytes presented to it "as-is". |
| /// </summary> |
| public class NullCodec : Codec |
| { |
| /// <summary> |
| /// Initializes a new instance of the <see cref="NullCodec" /> class. |
| /// </summary> |
| public NullCodec() { } |
| |
| /// <inheritdoc/> |
| public override byte[] Compress(byte[] uncompressedData) |
| { |
| return uncompressedData; |
| } |
| |
| /// <inheritdoc/> |
| public override void Compress(MemoryStream inputStream, MemoryStream outputStream) |
| { |
| outputStream.SetLength(0); |
| outputStream.Write(inputStream.GetBuffer(), 0, (int)inputStream.Length); |
| } |
| |
| /// <inheritdoc/> |
| public override byte[] Decompress(byte[] compressedData, int length) |
| { |
| return compressedData; |
| } |
| |
| /// <inheritdoc/> |
| public override string GetName() |
| { |
| return DataFileConstants.NullCodec; |
| } |
| |
| /// <inheritdoc/> |
| public override bool Equals(object other) |
| { |
| return this == other || GetType().Name == other.GetType().Name; |
| } |
| |
| /// <inheritdoc/> |
| public override int GetHashCode() |
| { |
| return DataFileConstants.NullCodecHash; |
| } |
| } |
| } |