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1 files changed, 29 insertions, 0 deletions

diff --git a/container-search/src/main/java/com/yahoo/search/pagetemplates/engine/RelevanceComparator.java b/container-search/src/main/java/com/yahoo/search/pagetemplates/engine/RelevanceComparator.java
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+// Copyright 2016 Yahoo Inc. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
+package com.yahoo.search.pagetemplates.engine;
+
+import com.yahoo.search.result.ChainableComparator;
+import com.yahoo.search.result.Hit;
+
+import java.util.Comparator;
+
+/**
+ * @author <a href="mailto:bratseth@yahoo-inc.com">Jon Bratseth</a>
+ */
+class RelevanceComparator extends ChainableComparator {
+
+    /**
+     * Creates a relevance comparator, with an optional secondary comparator.
+     * If the secondary is null, the intrinsic hit order is used as secondary.
+     */
+    public RelevanceComparator(Comparator<Hit> secondaryComparator) {
+        super(secondaryComparator);
+    }
+
+    public @Override int compare(Hit h1,Hit h2) {
+        int relevanceComparison=h2.getRelevance().compareTo(h1.getRelevance());
+        if (relevanceComparison!=0) return relevanceComparison;
+
+        return super.compare(h1,h2);
+    }
+
+}