1 files changed, 14 insertions, 0 deletions
diff --git a/container-search/src/main/java/com/yahoo/search/ranking/Evaluator.java b/container-search/src/main/java/com/yahoo/search/ranking/Evaluator.java
new file mode 100644
index 00000000000..d2edb776c92
--- /dev/null
+++ b/container-search/src/main/java/com/yahoo/search/ranking/Evaluator.java
@@ -0,0 +1,14 @@
+// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
+package com.yahoo.search.ranking;
+
+import com.yahoo.tensor.Tensor;
+
+import java.util.Collection;
+
+interface Evaluator {
+    Collection<String> needInputs();
+
+    Evaluator bind(String name, Tensor value);
+
+    double evaluateScore();
+}