1 files changed, 41 insertions, 0 deletions
diff --git a/lib/gitlab/ci/reports/security/locations/base.rb b/lib/gitlab/ci/reports/security/locations/base.rb
new file mode 100644
index 00000000000..9ad1d81287f
--- /dev/null
+++ b/lib/gitlab/ci/reports/security/locations/base.rb
@@ -0,0 +1,41 @@
+# frozen_string_literal: true
+
+module Gitlab
+  module Ci
+    module Reports
+      module Security
+        module Locations
+          class Base
+            include ::Gitlab::Utils::StrongMemoize
+
+            def ==(other)
+              other.fingerprint == fingerprint
+            end
+
+            def fingerprint
+              strong_memoize(:fingerprint) do
+                Digest::SHA1.hexdigest(fingerprint_data)
+              end
+            end
+
+            def as_json(options = nil)
+              fingerprint # side-effect call to initialize the ivar for serialization
+
+              super
+            end
+
+            def fingerprint_path
+              fingerprint_data
+            end
+
+            private
+
+            def fingerprint_data
+              raise NotImplementedError
+            end
+          end
+        end
+      end
+    end
+  end
+end