/// <summary>
/// Initializes a new instance of the <see cref="StreamReader{T}"/> class for Avro records.
/// </summary>
/// <param name="readerSchema">The reader schema.</param>
/// <param name="stream">The input stream.</param>
/// <param name="leaveOpen">If set to <c>true</c> leaves the input stream open.</param>
/// <param name="codecFactory">The codec factory.</param>
public StreamReader(string readerSchema, Stream stream, bool leaveOpen, CodecFactory codecFactory)
{
if (stream == null)
{
throw new ArgumentNullException("stream");
}
if (codecFactory == null)
{
throw new ArgumentNullException("codecFactory");
}
this.stream = stream;
this.decoder = new BinaryDecoder(stream, leaveOpen);
this.header = ObjectContainerHeader.Read(this.decoder);
this.codec = codecFactory.Create(this.header.CodecName);
this.serializer = (IAvroSerializer <T>)AvroSerializer.CreateGenericDeserializerOnly(this.header.Schema, readerSchema ?? this.header.Schema);
}
/// <summary>
/// Creates a reader of <see cref="Microsoft.Hadoop.Avro.AvroRecord" /> or primitive type.
/// </summary>
/// <param name="readerSchema">The reader schema.</param>
/// <param name="stream">The stream containing Avro object container.</param>
/// <param name="leaveOpen">If set to <c>true</c> leaves the stream open.</param>
/// <param name="factory">The codec factory.</param>
/// <returns> A reader. </returns>
/// <remarks><paramref name="readerSchema"/> should be specified explicitely when the schema of the consumer/reader is different from the schema of the producer/writer.</remarks>
public static IAvroReader <object> CreateGenericReader(string readerSchema, Stream stream, bool leaveOpen, CodecFactory factory)
{
if (string.IsNullOrEmpty(readerSchema))
{
throw new ArgumentNullException("readerSchema");
}
if (stream == null)
{
throw new ArgumentNullException("stream");
}
if (factory == null)
{
throw new ArgumentNullException("factory");
}
return(new StreamReader <object>(readerSchema, stream, leaveOpen, factory));
}
/// <summary>
/// Creates a reader of <see cref="Microsoft.Hadoop.Avro.AvroRecord"/> or primitive type.
/// </summary>
/// <param name="stream">The stream containing Avro object container.</param>
/// <param name="leaveOpen">If set to <c>true</c> leaves the stream open.</param>
/// <param name="factory">The codec factory.</param>
/// <returns> A reader. </returns>
public static IAvroReader <object> CreateGenericReader(Stream stream, bool leaveOpen, CodecFactory factory)
{
if (stream == null)
{
throw new ArgumentNullException("stream");
}
if (factory == null)
{
throw new ArgumentNullException("factory");
}
return(new StreamReader <object>(null, stream, leaveOpen, factory));
}
/// <summary>
/// Creates a reader for a static C# type.
/// </summary>
/// <typeparam name="T">The type of deserialized objects.</typeparam>
/// <param name="stream">The stream containing Avro object container.</param>
/// <param name="leaveOpen">If set to <c>true</c>, the <paramref name="stream"/> is left open.</param>
/// <param name="settings">The serializer settings.</param>
/// <param name="codecFactory">The codec factory.</param>
/// <returns> A reader. </returns>
/// <exception cref="System.ArgumentNullException">Thrown when any argument is null.</exception>
public static IAvroReader <T> CreateReader <T>(Stream stream, bool leaveOpen, AvroSerializerSettings settings, CodecFactory codecFactory)
{
if (stream == null)
{
throw new ArgumentNullException("stream");
}
if (settings == null)
{
throw new ArgumentNullException("settings");
}
if (codecFactory == null)
{
throw new ArgumentNullException("codecFactory");
}
return(new StreamReader <T>(stream, leaveOpen, settings, codecFactory));
}
public void Container_GenericWriterUsingCodecFactoryWithNullCodecName()
{
const string WriterSchema =
@"{
""name"":""RecordContainingArray"",
""type"":""record"",
""fields"":
[
{""name"":""IntField"", ""type"":""int""},
]
}";
var codecFactory = new CodecFactory();
using (AvroContainer.CreateGenericWriter(WriterSchema, this.resultStream, codecFactory.Create(null)))
{
}
}
/// <summary>
/// Initializes a new instance of the <see cref="StreamReader{T}"/> class for static types.
/// </summary>
/// <param name="stream">The stream.</param>
/// <param name="leaveOpen">If set to <c>true</c> leaves the input stream open.</param>
/// <param name="settings">The settings.</param>
/// <param name="codecFactory">The codec factory.</param>
public StreamReader(Stream stream, bool leaveOpen, AvroSerializerSettings settings, CodecFactory codecFactory)
{
if (stream == null)
{
throw new ArgumentNullException("stream");
}
if (settings == null)
{
throw new ArgumentNullException("settings");
}
if (codecFactory == null)
{
throw new ArgumentNullException("codecFactory");
}
this.stream = stream;
this.decoder = new BinaryDecoder(stream, leaveOpen);
this.header = ObjectContainerHeader.Read(this.decoder);
this.codec = codecFactory.Create(this.header.CodecName);
this.serializer = AvroSerializer.CreateDeserializerOnly <T>(this.header.Schema, settings);
}
