1 files changed, 36 insertions, 0 deletions
diff --git a/include/framework/interface/Shard.h b/include/framework/interface/Shard.h
new file mode 100644
index 0000000..c4a9180
--- /dev/null
+++ b/include/framework/interface/Shard.h
@@ -0,0 +1,36 @@
+/*
+ * include/framework/interface/Shard.h
+ *
+ * Copyright (C) 2023 Douglas B. Rumbaugh <drumbaugh@psu.edu> 
+ *
+ * Distributed under the Modified BSD License.
+ *
+ */
+#pragma once
+
+#include "framework/ShardRequirements.h"
+
+namespace de {
+
+template <typename S, typename R>
+concept ShardInterface = RecordInterface<R> && requires(S s, std::vector<S*> spp, void *p, bool b, size_t i, BufferView<R> bv, R r) {
+    {S(spp)};
+    {S(std::move(bv))};
+
+    {s.point_lookup(r, b) } -> std::same_as<Wrapped<R>*>;
+    {s.get_data()} -> std::same_as<Wrapped<R>*>;
+
+    {s.get_record_count()} -> std::convertible_to<size_t>;
+    {s.get_tombstone_count()} -> std::convertible_to<size_t>;
+    {s.get_memory_usage()} -> std::convertible_to<size_t>;
+    {s.get_aux_memory_usage()} -> std::convertible_to<size_t>;
+};
+
+template <typename S, typename R>
+concept SortedShardInterface = ShardInterface<S, R> && requires(S s, R r, R *rp, size_t i) {
+    {s.lower_bound(r)} -> std::convertible_to<size_t>;
+    {s.upper_bound(r)} -> std::convertible_to<size_t>;
+    {s.get_record_at(i)} -> std::same_as<Wrapped<R>*>;
+};
+
+}