public static void CloneWritableInto(IWritable dst, IWritable src)
{
ReflectionUtils.CopyInCopyOutBuffer buffer = cloneBuffers.Get();
buffer.outBuffer.Reset();
src.Write(buffer.outBuffer);
buffer.MoveData();
dst.ReadFields(buffer.inBuffer);
}
/// <summary>Make a copy of the writable object using serialization to a buffer</summary>
/// <param name="src">the object to copy from</param>
/// <param name="dst">the object to copy into, which is destroyed</param>
/// <returns>dst param (the copy)</returns>
/// <exception cref="System.IO.IOException"/>
public static T Copy <T>(Configuration conf, T src, T dst)
{
ReflectionUtils.CopyInCopyOutBuffer buffer = cloneBuffers.Get();
buffer.outBuffer.Reset();
SerializationFactory factory = GetFactory(conf);
Type cls = (Type)src.GetType();
Org.Apache.Hadoop.IO.Serializer.Serializer <T> serializer = factory.GetSerializer(
cls);
serializer.Open(buffer.outBuffer);
serializer.Serialize(src);
buffer.MoveData();
Deserializer <T> deserializer = factory.GetDeserializer(cls);
deserializer.Open(buffer.inBuffer);
dst = deserializer.Deserialize(dst);
return(dst);
}