diff --git a/solr/core/src/java/org/apache/solr/search/similarities/RawTFSimilarityFactory.java b/solr/core/src/java/org/apache/solr/search/similarities/RawTFSimilarityFactory.java
new file mode 100644
index 00000000000..9c18560dfe4
--- /dev/null
+++ b/solr/core/src/java/org/apache/solr/search/similarities/RawTFSimilarityFactory.java
@@ -0,0 +1,51 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.solr.search.similarities;
+
+import org.apache.lucene.search.similarities.RawTFSimilarity;
+import org.apache.lucene.search.similarities.Similarity;
+import org.apache.solr.common.params.SolrParams;
+import org.apache.solr.schema.SimilarityFactory;
+
+/**
+ * Factory for RawTFSimilarity.
+ *
+ * Parameters:
+ *
+ *
+ * - discountOverlaps (bool): True if overlap tokens (tokens with a position of increment of
+ * zero) are discounted from the document's length. The default is
true
+ *
+ *
+ * @lucene.experimental
+ * @since 9.8.0
+ */
+public class RawTFSimilarityFactory extends SimilarityFactory {
+ private RawTFSimilarity similarity;
+
+ @Override
+ public void init(SolrParams params) {
+ super.init(params);
+ boolean discountOverlaps = params.getBool("discountOverlaps", true);
+ similarity = new RawTFSimilarity(discountOverlaps);
+ }
+
+ @Override
+ public Similarity getSimilarity() {
+ return similarity;
+ }
+}
diff --git a/solr/core/src/test-files/solr/collection1/conf/schema-rawtf.xml b/solr/core/src/test-files/solr/collection1/conf/schema-rawtf.xml
new file mode 100644
index 00000000000..710ac129b26
--- /dev/null
+++ b/solr/core/src/test-files/solr/collection1/conf/schema-rawtf.xml
@@ -0,0 +1,51 @@
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+ false
+
+
+
+
+
+ true
+
+
+
+
+
+
+
+
+ id
+
+
diff --git a/solr/core/src/test/org/apache/solr/search/similarities/TestRawTFSimilarityFactory.java b/solr/core/src/test/org/apache/solr/search/similarities/TestRawTFSimilarityFactory.java
new file mode 100644
index 00000000000..1630edc34b9
--- /dev/null
+++ b/solr/core/src/test/org/apache/solr/search/similarities/TestRawTFSimilarityFactory.java
@@ -0,0 +1,50 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.solr.search.similarities;
+
+import org.apache.lucene.search.similarities.RawTFSimilarity;
+import org.apache.lucene.search.similarities.Similarity;
+import org.junit.BeforeClass;
+
+/** Tests {@link RawTFSimilarityFactory} */
+public class TestRawTFSimilarityFactory extends BaseSimilarityTestCase {
+ @BeforeClass
+ public static void beforeClass() throws Exception {
+ initCore("solrconfig-basic.xml", "schema-rawtf.xml");
+ }
+
+ public void test() {
+ Similarity sim = getSimilarity("text");
+ assertEquals(RawTFSimilarity.class, sim.getClass());
+ RawTFSimilarity rtfSim = (RawTFSimilarity) sim;
+ assertTrue(rtfSim.getDiscountOverlaps());
+ }
+
+ public void testParameters0() {
+ Similarity sim = getSimilarity("text_params_0");
+ assertEquals(RawTFSimilarity.class, sim.getClass());
+ RawTFSimilarity rtfSim = (RawTFSimilarity) sim;
+ assertFalse(rtfSim.getDiscountOverlaps());
+ }
+
+ public void testParameters1() {
+ Similarity sim = getSimilarity("text_params_1");
+ assertEquals(RawTFSimilarity.class, sim.getClass());
+ RawTFSimilarity rtfSim = (RawTFSimilarity) sim;
+ assertTrue(rtfSim.getDiscountOverlaps());
+ }
+}