Progress towards generalization of shard interface

1 files changed, 22 insertions, 0 deletions

diff --git a/include/framework/QueryInterface.h b/include/framework/QueryInterface.h
new file mode 100644
index 0000000..eafeeb0
--- /dev/null
+++ b/include/framework/QueryInterface.h
@@ -0,0 +1,22 @@
+/*
+ * include/framework/QueryInterface.h
+ *
+ * Copyright (C) 2023 Douglas Rumbaugh <drumbaugh@psu.edu> 
+ *
+ * All rights reserved. Published under the Modified BSD License.
+ *
+ */
+#pragma once
+
+#include <concepts>
+#include "util/types.h"
+
+template <typename Q>
+concept QueryInterface = requires(Q q, void *p) {
+    {q.get_query_state(p, p)} -> std::convertible_to<void*>;
+    {q.get_buffer_query_state(p, p)};
+    {q.query(p, p)};
+    {q.buffer_query(p, p)};
+    {q.merge()};
+    {q.delete_query_state(p)};
+};