1 files changed, 28 insertions, 0 deletions
diff --git a/config-model/src/main/java/com/yahoo/schema/UnrankedRankProfile.java b/config-model/src/main/java/com/yahoo/schema/UnrankedRankProfile.java
new file mode 100644
index 00000000000..6c1f5fc8731
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+++ b/config-model/src/main/java/com/yahoo/schema/UnrankedRankProfile.java
@@ -0,0 +1,28 @@
+// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
+package com.yahoo.schema;
+
+import com.yahoo.searchlib.rankingexpression.RankingExpression;
+import com.yahoo.searchlib.rankingexpression.parser.ParseException;
+
+/**
+ * A low-cost ranking profile to use for watcher queries etc.
+ *
+ * @author Vegard Havdal
+ */
+public class UnrankedRankProfile extends RankProfile {
+
+    public UnrankedRankProfile(Schema schema, RankProfileRegistry rankProfileRegistry) {
+        super("unranked", schema, rankProfileRegistry);
+        try {
+            RankingExpression exp = new RankingExpression("value(0)");
+            this.setFirstPhaseRanking(exp);
+        } catch (ParseException e) {
+            throw new IllegalArgumentException("Could not parse the ranking expression 'value(0)' when setting up " +
+                                               "the 'unranked' rank profile");
+        }
+        this.setIgnoreDefaultRankFeatures(true);
+        this.setKeepRankCount(0);
+        this.setRerankCount(0);
+    }
+
+}