SOLR-2027: FacetField.getValues() now returns empty list instead of null

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1144561 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Christopher John Male 2011-07-09 00:49:49 +00:00
parent 1ae1d6b4fa
commit 038a555aef
3 changed files with 39 additions and 2 deletions

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@ -256,7 +256,10 @@ Other Changes
* LUCENE-2883: FunctionQuery, DocValues (and its impls), ValueSource (and its
impls) and BoostedQuery have been consolidated into the queries module. They
can now be found at o.a.l.queries.function.
can now be found at o.a.l.queries.function.
* SOLR-2027: FacetField.getValues() now returns an empty list if there are no
values, instead of null (Chris Male)
Documentation
----------------------

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@ -19,6 +19,7 @@ package org.apache.solr.client.solrj.response;
import java.io.Serializable;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Date;
import java.util.List;
@ -145,7 +146,7 @@ import org.apache.solr.client.solrj.util.ClientUtils;
}
public List<Count> getValues() {
return _values;
return _values == null ? Collections.<Count>emptyList() : _values;
}
public int getValueCount()

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@ -0,0 +1,33 @@
package org.apache.solr.client.solrj.response;
/*
* 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.
*/
import org.apache.lucene.util.LuceneTestCase;
public class FacetFieldTest extends LuceneTestCase {
public void testGetValues() {
FacetField facetField = new FacetField("field");
assertNotNull(facetField.getValues());
assertEquals(0, facetField.getValues().size());
facetField.add("value", 1);
assertEquals(1, facetField.getValues().size());
}
}