if ( managedBtrees.containsKey( name ) )
{
// There is already a B-tree with this name in the recordManager...
LOG.error( "There is already a B-tree named '{}' managed by this recordManager", name );
throw new BTreeAlreadyManagedException( name );
}
// Now, write the B-tree informations
long btreeInfoOffset = writeBtreeInfo( btree );
BTreeHeader<K, V> btreeHeader = ((AbstractBTree<K,V>)btree).getBtreeHeader();