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1 files changed, 40 insertions, 0 deletions

diff --git a/container-search/src/main/java/com/yahoo/search/grouping/request/StringBucket.java b/container-search/src/main/java/com/yahoo/search/grouping/request/StringBucket.java
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index 00000000000..34c7b9f526a
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+++ b/container-search/src/main/java/com/yahoo/search/grouping/request/StringBucket.java
@@ -0,0 +1,40 @@
+// Copyright 2016 Yahoo Inc. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
+package com.yahoo.search.grouping.request;
+
+/**
+ * This class represents a {@link String} bucket in a {@link PredefinedFunction}.
+ *
+ * @author <a href="mailto:simon@yahoo-inc.com">Simon Thoresen</a>
+ */
+public class StringBucket extends BucketValue {
+
+    /**
+     * Get the next distinct value.
+     *
+     * @param value The base value.
+     * @return the next value.
+     */
+    public static StringValue nextValue(StringValue value) {
+        return new StringValue(value.getValue() + " ");
+    }
+
+    /**
+     * Constructs a new instance of this class.
+     *
+     * @param from          The from-value to assign to this.
+     * @param to            The to-value to assign to this.
+     */
+    public StringBucket(String from, String to) {
+        super(new StringValue(from), new StringValue(to));
+    }
+
+    /**
+     * Constructs a new instance of this class.
+     *
+     * @param from          The from-value to assign to this.
+     * @param to            The to-value to assign to this.
+     */
+    public StringBucket(ConstantValue<?> from, ConstantValue<?> to) {
+        super(from, to);
+    }
+}