private NodeSet ReadFromBlock(Dictionary <BlockId, BlockContainer> containersTouched, DataAddress address)
{
// The block being written to,
BlockId blockId = address.BlockId;
// The data identifier,
int dataId = address.DataId;
// Fetch the block container,
BlockContainer container = GetBlock(containersTouched, blockId);
// Read the data,
return(container.Read(dataId));
}