1 files changed, 11 insertions, 0 deletions
diff --git a/eval/src/tests/ann/doc_vector_access.h b/eval/src/tests/ann/doc_vector_access.h
new file mode 100644
index 00000000000..c168279bc5e
--- /dev/null
+++ b/eval/src/tests/ann/doc_vector_access.h
@@ -0,0 +1,11 @@
+// Copyright 2019 Oath Inc. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
+
+#pragma once
+#include <vespa/vespalib/util/arrayref.h>
+
+template <typename FltType = float>
+struct DocVectorAccess
+{
+    virtual vespalib::ConstArrayRef<FltType> get(uint32_t docid) const = 0;
+    virtual ~DocVectorAccess() {}
+};