From 3c64357cec1ff484e4b410eff47c8b7006e55c66 Mon Sep 17 00:00:00 2001
From: Oliver Reiche <oliver.reiche@huawei.com>
Date: Mon, 13 Jun 2022 13:30:13 +0200
Subject: LocalCAS: Add singleton pattern

---
 src/buildtool/execution_api/local/local_cas.hpp | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'src')

diff --git a/src/buildtool/execution_api/local/local_cas.hpp b/src/buildtool/execution_api/local/local_cas.hpp
index ea10b638..f8efbb6a 100644
--- a/src/buildtool/execution_api/local/local_cas.hpp
+++ b/src/buildtool/execution_api/local/local_cas.hpp
@@ -23,6 +23,11 @@ class LocalCAS {
     auto operator=(LocalCAS&&) -> LocalCAS& = delete;
     ~LocalCAS() noexcept = default;
 
+    [[nodiscard]] static auto Instance() noexcept -> LocalCAS<kType>& {
+        static auto instance = LocalCAS<kType>{};
+        return instance;
+    }
+
     [[nodiscard]] auto StoreBlobFromBytes(std::string const& bytes)
         const noexcept -> std::optional<bazel_re::Digest> {
         return StoreBlob(bytes, /*is_owner=*/true);
-- 
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