Add document db referent registry to proton.

Register document db referent for document db when appropriate.

1 files changed, 3 insertions, 0 deletions

diff --git a/searchcore/src/tests/proton/common/dummydbowner.h b/searchcore/src/tests/proton/common/dummydbowner.h
index 8e3748b5072..2ed6a6f3ad8 100644
--- a/searchcore/src/tests/proton/common/dummydbowner.h
+++ b/searchcore/src/tests/proton/common/dummydbowner.h
@@ -17,6 +17,9 @@ struct DummyDBOwner : IDocumentDBOwner {
         return searchcorespi::IIndexManagerFactory::SP();
     }
     uint32_t getDistributionKey() const override { return -1; }
+    std::shared_ptr<IDocumentDBReferentRegistry> getDocumentDBReferentRegistry() const override {
+        return std::shared_ptr<IDocumentDBReferentRegistry>();
+    }
 };
 
 } // namespace proton