| /* |
| * 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 Avro.IO; |
| using Avro.Generic; |
| |
| namespace Avro.Reflect |
| { |
| /// <summary> |
| /// Reader wrapper class for reading data and storing into specific classes |
| /// </summary> |
| /// <typeparam name="T">Specific class type</typeparam> |
| public class ReflectReader<T> : DatumReader<T> |
| { |
| /// <summary> |
| /// Reader class for reading data and storing into specific classes |
| /// </summary> |
| private readonly ReflectDefaultReader _reader; |
| |
| /// <summary> |
| /// Default reader |
| /// </summary> |
| public ReflectDefaultReader Reader { get => _reader; } |
| |
| /// <summary> |
| /// Schema for the writer class |
| /// </summary> |
| public Schema WriterSchema { get => _reader.WriterSchema; } |
| |
| /// <summary> |
| /// Schema for the reader class |
| /// </summary> |
| public Schema ReaderSchema { get => _reader.ReaderSchema; } |
| |
| /// <summary> |
| /// Constructs a generic reader for the given schemas using the DefaultReader. If the |
| /// reader's and writer's schemas are different this class performs the resolution. |
| /// </summary> |
| /// <param name="writerSchema">The schema used while generating the data</param> |
| /// <param name="readerSchema">The schema desired by the reader</param> |
| /// <param name="cache">Class cache</param> |
| public ReflectReader(Schema writerSchema, Schema readerSchema, ClassCache cache = null) |
| { |
| _reader = new ReflectDefaultReader(typeof(T), writerSchema, readerSchema, cache); |
| } |
| |
| /// <summary> |
| /// Constructs a generic reader from an instance of a ReflectDefaultReader (non-generic) |
| /// </summary> |
| /// <param name="reader"></param> |
| public ReflectReader(ReflectDefaultReader reader) |
| { |
| _reader = reader; |
| } |
| |
| /// <summary> |
| /// Generic read function |
| /// </summary> |
| /// <param name="reuse">object to store data read</param> |
| /// <param name="dec">decoder to use for reading data</param> |
| /// <returns></returns> |
| public T Read(T reuse, Decoder dec) |
| { |
| return _reader.Read(reuse, dec); |
| } |
| |
| /// <summary> |
| /// Generic read function |
| /// </summary> |
| /// <param name="dec">decoder to use for reading data</param> |
| /// <returns></returns> |
| public T Read(Decoder dec) |
| { |
| return _reader.Read(default(T), dec); |
| } |
| } |
| } |