/// <summary>
/// Reads an object off the stream.
/// </summary>
/// <typeparam name="T">The type of object to read. A single schema typically returns an object of a single .NET class.
/// The only exception is UnionSchema, which can return a object of different types based on the branch selected.
/// </typeparam>
/// <param name="reuse">If not null, the implemenation will try to use to return the object</param>
/// <param name="decoder">The decoder for deserialization</param>
/// <returns></returns>
public T Read <T>(T reuse, Decoder decoder)
{
if (!ReaderSchema.CanRead(WriterSchema))
{
throw new AvroException("Schema mismatch. Reader: " + ReaderSchema + ", writer: " + WriterSchema);
}
return((T)Read(reuse, WriterSchema, ReaderSchema, decoder));
}
/// <summary>
/// Constructs the default reader for the given schemas using the DefaultReader. If the
/// reader's and writer's schemas are different this class performs the resolution.
/// This default implemenation maps Avro types to .NET types as follows:
/// </summary>
/// <param name="writerSchema">The schema used while generating the data</param>
/// <param name="readerSchema">The schema desired by the reader</param>
public DefaultReader(Schema writerSchema, Schema readerSchema)
{
this.ReaderSchema = readerSchema;
this.WriterSchema = writerSchema;
if (!ReaderSchema.CanRead(WriterSchema))
{
throw new AvroException("Schema mismatch. Reader: " + ReaderSchema + ", writer: " + WriterSchema);
}
}
/// <summary>
/// Reads an object off the stream.
/// </summary>
/// <typeparam name="T">The type of object to read. A single schema typically returns an object of a single .NET class.
/// The only exception is UnionSchema, which can return a object of different types based on the branch selected.
/// </typeparam>
/// <param name="reuse">If not null, the implemenation will try to use to return the object</param>
/// <param name="IDecoder">The IDecoder for deserialization</param>
/// <returns></returns>
public T Read <T>(T reuse, IDecoder IDecoder)
{
if (!ReaderSchema.CanRead(WriterSchema))
{
throw new AvroException("Schema mismatch. Reader: " + ReaderSchema + ", writer: " + WriterSchema);
}
var xd = Read(reuse, WriterSchema, ReaderSchema, IDecoder);
return((T)xd);
}
public object Read(IDecoder decoder)
{
if (!ReaderSchema.CanRead(WriterSchema))
{
throw new AvroException("Schema mismatch. Reader: " + ReaderSchema + ", writer: " + WriterSchema);
}
var result = Read(WriterSchema, ReaderSchema, decoder);
return(result);
}
