Add ReadableAttributeVector interface used to create a short-lived read guard over an attribute vector.

Let AttributeVector and ImportedAttributeVector implement this interface.

1 files changed, 1 insertions, 1 deletions

diff --git a/searchlib/src/vespa/searchlib/attribute/imported_attribute_vector.cpp b/searchlib/src/vespa/searchlib/attribute/imported_attribute_vector.cpp
index dd089446065..62244b2c3d6 100644
--- a/searchlib/src/vespa/searchlib/attribute/imported_attribute_vector.cpp
+++ b/searchlib/src/vespa/searchlib/attribute/imported_attribute_vector.cpp
@@ -38,7 +38,7 @@ ImportedAttributeVector::ImportedAttributeVector(vespalib::stringref name,
 ImportedAttributeVector::~ImportedAttributeVector() {
 }
 
-std::unique_ptr<IAttributeVector>
+std::unique_ptr<AttributeReadGuard>
 ImportedAttributeVector::makeReadGuard(bool stableEnumGuard) const
 {
     return std::make_unique<ImportedAttributeVectorReadGuard>(*this, stableEnumGuard);