public xBplusTreeBytes(BplusTreeBytes tree, int prefixLength)
{
if (prefixLength<3)
{
throw new BplusTreeException("prefix cannot be smaller than 3 :: "+prefixLength);
}
if (prefixLength>tree.MaxKeyLength())
{
throw new BplusTreeException("prefix length cannot exceed keylength for internal tree");
}
this.tree = tree;
this.prefixLength = prefixLength;
}