bahman/scylla
1
0
Fork 0
Code Issues Pull Requests Actions 3 Packages Projects Releases Wiki Activity

collection_type_impl: Iterate over collection cells

Browse Source 
This patch introduces the collection_type_impl::for_each_cell()
function, which allows the caller to iterate over the cells of a
particular collection_mutation_view.

Signed-off-by: Duarte Nunes <duarte@scylladb.com>
This commit is contained in:
Duarte Nunes
2017-01-19 17:25:38 +01:00
parent 082ef56df1
commit 0f8dbc9243
1 changed files with 9 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

9
types.hh
View File

@@ -760,6 +760,15 @@ public:
static collection_mutation serialize_mutation_form_only_live(mutation_view mut, gc_clock::time_point now);
collection_mutation merge(collection_mutation_view a, collection_mutation_view b) const;
collection_mutation difference(collection_mutation_view a, collection_mutation_view b) const;
// Calls Func(atomic_cell_view) for each cell in this collection.
// noexcept if Func doesn't throw.
template<typename Func>
void for_each_cell(collection_mutation_view c, Func&& func) const {
auto m_view = deserialize_mutation_form(std::move(c));
for (auto&& c : m_view.cells) {
func(std::move(c.second));
}
}
virtual void serialize(const void* value, bytes::iterator& out, cql_serialization_format sf) const = 0;
virtual data_value deserialize(bytes_view v, cql_serialization_format sf) const = 0;
data_value deserialize_value(bytes_view v, cql_serialization_format sf) const {