SOLR-13751: add BooleanSimilarityFactory (#867)

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andywebb1975 2020-08-12 15:35:50 +01:00 committed by GitHub
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@ -133,6 +133,8 @@ New Features
* SOLR-14582: Expose IWC.setMaxCommitMergeWaitMillis in Solr's index config. This is an expert config option that can be
set when using a custom MergePolicy (doesn't have any effect on the default MP) (Tomás Fernández Löbbe)
* SOLR-13751: Add BooleanSimilarityFactory class. (Andy Webb via Christine Poerschke)
Improvements
---------------------

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@ -0,0 +1,36 @@
/*
* 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.BooleanSimilarity;
import org.apache.lucene.search.similarities.Similarity;
import org.apache.solr.schema.SimilarityFactory;
/**
* Factory for {@link BooleanSimilarity}
*
* Simple similarity that gives terms a score that is equal to their query
* boost. This similarity is typically used with disabled norms since neither
* document statistics nor index statistics are used for scoring.
*/
public class BooleanSimilarityFactory extends SimilarityFactory {
@Override
public Similarity getSimilarity() {
return new BooleanSimilarity();
}
}

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@ -0,0 +1,35 @@
<?xml version="1.0" encoding="UTF-8" ?>
<!--
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.
-->
<!-- Test schema file for BooleanSimilarityFactory -->
<schema name="booleansimilarity" version="1.0">
<fieldType name="string" class="solr.StrField" omitNorms="true" positionIncrementGap="0"/>
<fieldType name="text" class="solr.TextField">
<analyzer class="org.apache.lucene.analysis.standard.StandardAnalyzer"/>
<similarity class="solr.BooleanSimilarityFactory"/>
</fieldType>
<field name="id" type="string" indexed="true" stored="true" multiValued="false" required="false"/>
<field name="text" type="text" indexed="true" stored="false"/>
<uniqueKey>id</uniqueKey>
</schema>

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@ -0,0 +1,39 @@
/*
* 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.BooleanSimilarity;
import org.junit.BeforeClass;
/**
* Tests {@link BooleanSimilarityFactory} when specified on a per-fieldtype basis.
* @see SchemaSimilarityFactory
*/
public class TestBooleanSimilarityFactory extends BaseSimilarityTestCase {
@BeforeClass
public static void beforeClass() throws Exception {
initCore("solrconfig-basic.xml","schema-booleansimilarity.xml");
}
/** Boolean w/ default parameters */
public void testDefaults() throws Exception {
BooleanSimilarity sim = getSimilarity("text", BooleanSimilarity.class);
assertEquals(BooleanSimilarity.class, sim.getClass());
}
}