/// <summary>
/// Merge the two instance such that they have the same chunks and share the same ready counter. Common
/// chunks are reset to non-ready. If one of the instances is null, the non-null instance is returned.
/// </summary>
/// <param name="first">The first instance.</param>
/// <param name="second">The second instance.</param>
/// <returns>The merged instance.</returns>
public static SynchronisedUpdate MergeAndReset(SynchronisedUpdate first, SynchronisedUpdate second)
{
if (first != null)
{
if (second != null)
{
first.MergeAndReset(second);
return first;
}
else
{
return first;
}
}
else
{
return second;
}
}
