Basic Java model evaluation

1 files changed, 7 insertions, 1 deletions

diff --git a/searchlib/src/main/java/com/yahoo/searchlib/rankingexpression/evaluation/ContextIndex.java b/searchlib/src/main/java/com/yahoo/searchlib/rankingexpression/evaluation/ContextIndex.java
index 4f1465cd1f5..ad6facbf0af 100644
--- a/searchlib/src/main/java/com/yahoo/searchlib/rankingexpression/evaluation/ContextIndex.java
+++ b/searchlib/src/main/java/com/yahoo/searchlib/rankingexpression/evaluation/ContextIndex.java
@@ -1,7 +1,9 @@
 package com.yahoo.searchlib.rankingexpression.evaluation;
 
 /**
- * Indexed context lookup methods
+ * Indexed context lookup methods.
+ * Any context which implements these methods supports optimizations where map lookups
+ * are replaced by indexed lookups.
  *
  * @author bratseth
  */
@@ -17,4 +19,8 @@ public interface ContextIndex {
      */
     int getIndex(String name);
 
+    Value get(int index);
+
+    double getDouble(int index);
+
 }