Separate split functionality from ShardMap

src/coordinator/coordinator.hpp

@@ -0,0 +1,26 @@
+// Copyright 2022 Memgraph Ltd.
+//
+// Use of this software is governed by the Business Source License
+// included in the file licenses/BSL.txt; by using this file, you agree to be bound by the terms of the Business Source
+// License, and you may not use this file except in compliance with the Business Source License.
+//
+// As of the Change Date specified in that file, in accordance with
+// the Business Source License, use of this software will be governed
+// by the Apache License, Version 2.0, included in the file
+// licenses/APL.txt.
+
+#pragma once
+
+#include "coordinator/shard_map.hpp"
+
+namespace memgraph::coordinator {
+
+class Coordinator {
+  ShardMap shard_map_;
+
+ public:
+  /// This splits the previous shard
+  bool SplitShard(uint64_t previous_shard_map_version, Label label, CompoundKey split_key);
+};
+
+}  // namespace memgraph::coordinator

src/coordinator/shard_map.hpp

@@ -47,9 +47,6 @@ class ShardMap {
 
   // TODO(tyler) ask Kostas if this would ever actually be useful
   Shard GetShardForKey(Label label, CompoundKey key);
-
-  /// This splits the previous shard
-  bool SplitShard(uint64_t previous_shard_map_version, Label label, CompoundKey split_key);
 };
 
 }  // namespace memgraph::coordinator