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empty collectioons should use Collections.emptyXXX() 

git-svn-id: https://svn.apache.org/repos/asf/lucene/solr/trunk@807103 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Noble Paul 2009-08-24 06:57:16 +00:00
parent c13a6f0208
commit 8b9071efb3
1 changed files with 6 additions and 2 deletions
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8
src/java/org/apache/solr/core/SolrConfig.java
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@ -241,7 +241,9 @@ public class SolrConfig extends Config {
} }
} }
return Collections.unmodifiableMap(chains); return chains.isEmpty() ?
Collections.<String, List<PluginInfo>>emptyMap():
Collections.unmodifiableMap(chains);
} }
private PluginInfo loadSinglePlugin(String tag){ private PluginInfo loadSinglePlugin(String tag){
NodeList nodes = (NodeList) evaluate(tag, XPathConstants.NODESET); NodeList nodes = (NodeList) evaluate(tag, XPathConstants.NODESET);
@ -257,7 +259,9 @@ public class SolrConfig extends Config {
for (int i=0; i<nodes.getLength(); i++) { for (int i=0; i<nodes.getLength(); i++) {
result.add(new PluginInfo(nodes.item(i) ,"[solrconfig.xml] "+tag,requireName)); result.add(new PluginInfo(nodes.item(i) ,"[solrconfig.xml] "+tag,requireName));
} }
return Collections.unmodifiableList(result) ; return result.isEmpty() ?
Collections.<PluginInfo>emptyList() :
Collections.unmodifiableList(result) ;
} }
/* The set of materialized parameters: */ /* The set of materialized parameters: */