1 files changed, 26 insertions, 0 deletions
diff --git a/lib/gitlab/background_migration/batching_strategies/base_strategy.rb b/lib/gitlab/background_migration/batching_strategies/base_strategy.rb
new file mode 100644
index 00000000000..37bddea4f61
--- /dev/null
+++ b/lib/gitlab/background_migration/batching_strategies/base_strategy.rb
@@ -0,0 +1,26 @@
+# frozen_string_literal: true
+
+module Gitlab
+  module BackgroundMigration
+    module BatchingStrategies
+      # Simple base class for batching strategy job classes.
+      #
+      # Any strategy class that inherits from the base class will have connection to the tracking database set on
+      # initialization.
+      class BaseStrategy
+        def initialize(connection:)
+          @connection = connection
+        end
+
+        def next_batch(*arguments)
+          raise NotImplementedError,
+            "#{self.class} does not implement #{__method__}"
+        end
+
+        private
+
+        attr_reader :connection
+      end
+    end
+  end
+end