emo/thin-provisioning-tools
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

[btree] allow people to visit all the nodes in a btree.

Browse Source
This commit is contained in:
Joe Thornber
2011-08-22 11:55:55 +01:00
parent 9be40b76b5
commit 4d37416075
3 changed files with 72 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

22
unit-tests/btree_t.cc
View File

@@ -30,6 +30,28 @@ namespace {
new btree<1, uint64_traits, 4096>(
create_tm(), rc));
}
class constraint_visitor : public btree<1, uint64_traits, 4096>::visitor {
private:
void visit_internal(unsigned level, btree_detail::node_ref<uint64_traits, 4096> const &n) {
// cout << "internal: level = " << level << ", nr_entries = " << n.get_nr_entries() << endl;
}
void visit_internal_leaf(unsigned level, btree_detail::node_ref<uint64_traits, 4096> const &n) {
// cout << "internal_leaf !" << endl;
}
void visit_leaf(unsigned level, btree_detail::node_ref<uint64_traits, 4096> const &n) {
// cout << "leaf: level = " << level << ", nr_entries = " << n.get_nr_entries() << endl;
}
};
void check_constraints(btree<1, uint64_traits, 4096>::ptr tree) {
typedef btree<1, uint64_traits, 4096> tree_type;
typename tree_type::visitor::ptr v(new constraint_visitor);
tree->visit(v);
}
}
//----------------------------------------------------------------