/// <summary>
/// Deserialize an object of type <typeparamref name="T"/> from a byte array.
/// </summary>
/// <param name="topic">
/// The topic associated with the data (ignored by this deserializer).
/// </param>
/// <param name="data">
/// A byte array containing the object serialized in the format produced
/// by <see cref="AvroSerializer{T}" />.
/// </param>
/// <returns>
/// The deserialized <typeparamref name="T"/> value.
/// </returns>
public T Deserialize(string topic, byte[] data)
{
if (deserializerImpl == null)
{
deserializerImpl = (typeof(T) == typeof(GenericRecord))
? (IAvroDeserializerImpl <T>) new GenericDeserializerImpl(schemaRegistryClient)
: new SpecificDeserializerImpl <T>(schemaRegistryClient);
}
return(deserializerImpl.Deserialize(topic, data));
}
/// <summary>
/// Deserialize an object of type <typeparamref name="T"/> from a byte array.
/// </summary>
/// <param name="topic">
/// The topic associated with the data (ignored by this deserializer).
/// </param>
/// <param name="data">
/// A byte array containing the object serialized in the format produced
/// by <see cref="AvroSerializer{T}" />.
/// </param>
/// <param name="isNull">
/// True if the data is null, false otherwise.
/// </param>
/// <returns>
/// The deserialized <typeparamref name="T"/> value.
/// </returns>
public T Deserialize(string topic, ReadOnlySpan <byte> data, bool isNull)
{
if (deserializerImpl == null)
{
deserializerImpl = (typeof(T) == typeof(GenericRecord))
? (IAvroDeserializerImpl <T>) new GenericDeserializerImpl(schemaRegistryClient)
: new SpecificDeserializerImpl <T>(schemaRegistryClient);
}
return(deserializerImpl.Deserialize(topic, data.ToArray()));
}
/// <summary>
/// Deserialize an object of type <typeparamref name="T"/>
/// from a byte array.
/// </summary>
/// <param name="data">
/// The raw byte data to deserialize.
/// </param>
/// <param name="isNull">
/// True if this is a null value.
/// </param>
/// <param name="context">
/// Context relevant to the deserialize operation.
/// </param>
/// <returns>
/// A <see cref="System.Threading.Tasks.Task" /> that completes
/// with the deserialized value.
/// </returns>
public async Task <T> DeserializeAsync(ReadOnlyMemory <byte> data, bool isNull, SerializationContext context)
{
try
{
if (deserializerImpl == null)
{
deserializerImpl = (typeof(T) == typeof(GenericRecord))
? (IAvroDeserializerImpl <T>) new GenericDeserializerImpl(schemaRegistryClient)
: new SpecificDeserializerImpl <T>(schemaRegistryClient);
}
// TODO: change this interface such that it takes ReadOnlyMemory<byte>, not byte[].
return(await deserializerImpl.Deserialize(context.Topic, isNull?null : data.ToArray()));
}
catch (AggregateException e)
{
throw e.InnerException;
}
}
/// <summary>
/// Deserialize an object of type <typeparamref name="T"/>
/// from a byte array.
/// </summary>
/// <param name="data">
/// The raw byte data to deserialize.
/// </param>
/// <param name="isNull">
/// True if this is a null value.
/// </param>
/// <param name="messageMetadata">
/// Properties of the message the data is associated with in
/// addition to the key or value.
/// </param>
/// <param name="source">
/// The TopicPartition from which the message was consumed.
/// </param>
/// <param name="isKey">
/// True if deserializing the message key, false if deserializing the
/// message value.
/// </param>
/// <returns>
/// A <see cref="System.Threading.Tasks.Task" /> that completes
/// with the deserialized value.
/// </returns>
public async Task <T> DeserializeAsync(ReadOnlyMemory <byte> data, bool isNull, bool isKey, MessageMetadata messageMetadata, TopicPartition source)
{
try
{
if (deserializerImpl == null)
{
deserializerImpl = (typeof(T) == typeof(GenericRecord))
? (IAvroDeserializerImpl <T>) new GenericDeserializerImpl(schemaRegistryClient)
: new SpecificDeserializerImpl <T>(schemaRegistryClient);
}
// TODO: change this interface such that it takes ReadOnlyMemory<byte>, not byte[].
return(await deserializerImpl.Deserialize(source.Topic, isNull?null : data.ToArray()));
}
catch (AggregateException e)
{
throw new DeserializationException("Error occured deserializing Avro data.", e.InnerException);
}
catch (Exception e)
{
throw new DeserializationException("Error occured deserializing Avro data.", e);
}
}
