merging 5348 from nihvivo-rel-1.1-maint to trunk
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bdc34
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1 changed files with 64 additions and 68 deletions
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@ -1,7 +1,7 @@
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/* $This file is distributed under the terms of the license in /doc/license.txt$ */
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package edu.cornell.mannlib.vitro.webapp.search.lucene;
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package edu.cornell.mannlib.vitro.webapp.search.lucene;
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import static edu.cornell.mannlib.vitro.webapp.search.lucene.Entity2LuceneDoc.VitroLuceneTermNames.ALLTEXT;
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import static edu.cornell.mannlib.vitro.webapp.search.lucene.Entity2LuceneDoc.VitroLuceneTermNames.ALLTEXTUNSTEMMED;
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import static edu.cornell.mannlib.vitro.webapp.search.lucene.Entity2LuceneDoc.VitroLuceneTermNames.NAME;
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@ -37,33 +37,33 @@ import edu.cornell.mannlib.vitro.webapp.search.beans.ProhibitedFromSearch;
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import edu.cornell.mannlib.vitro.webapp.search.beans.Searcher;
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import edu.cornell.mannlib.vitro.webapp.search.indexing.IndexBuilder;
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import edu.cornell.mannlib.vitro.webapp.web.DisplayVocabulary;
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/**
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* Setup objects for lucene searching and indexing.
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*
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* The indexing and search objects, IndexBuilder and Searcher are found by the
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* controllers IndexController and SearchController through the servletContext.
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* This object will have the method contextInitialized() called when the tomcat
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* server starts this webapp.
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*
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* The contextInitialized() will try to find the lucene index directory,
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* make a LueceneIndexer and a LuceneSearcher. The LuceneIndexer will
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* also get a list of Obj2Doc objects so it can translate object to lucene docs.
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*
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* To execute this at context creation put this in web.xml:
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<listener>
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<listener-class>
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edu.cornell.mannlib.vitro.search.setup.LuceneSetup
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</listener-class>
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</listener>
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* @author bdc34
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*
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*/
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public class LuceneSetup implements javax.servlet.ServletContextListener {
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private static String indexDir = null;
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private static final Log log = LogFactory.getLog(LuceneSetup.class.getName());
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/**
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* Setup objects for lucene searching and indexing.
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*
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* The indexing and search objects, IndexBuilder and Searcher are found by the
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* controllers IndexController and SearchController through the servletContext.
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* This object will have the method contextInitialized() called when the tomcat
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* server starts this webapp.
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*
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* The contextInitialized() will try to find the lucene index directory,
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* make a LueceneIndexer and a LuceneSearcher. The LuceneIndexer will
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* also get a list of Obj2Doc objects so it can translate object to lucene docs.
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*
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* To execute this at context creation put this in web.xml:
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<listener>
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<listener-class>
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edu.cornell.mannlib.vitro.search.setup.LuceneSetup
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</listener-class>
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</listener>
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* @author bdc34
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*
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*/
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public class LuceneSetup implements javax.servlet.ServletContextListener {
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private static String indexDir = null;
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private static final Log log = LogFactory.getLog(LuceneSetup.class.getName());
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/**
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* Gets run to set up DataSource when the webapp servlet context gets
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* created.
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@ -78,33 +78,29 @@ public class LuceneSetup implements javax.servlet.ServletContextListener {
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setBoolMax();
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// these should really be set as annotation properties.
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// these should really be set as annotation properties.
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HashSet<String> dataPropertyBlacklist = new HashSet<String>();
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context.setAttribute(SEARCH_DATAPROPERTY_BLACKLIST, dataPropertyBlacklist);
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HashSet<String> objectPropertyBlacklist = new HashSet<String>();
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objectPropertyBlacklist.add("http://www.w3.org/2002/07/owl#differentFrom");
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context.setAttribute(SEARCH_OBJECTPROPERTY_BLACKLIST, objectPropertyBlacklist);
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// Here we want to put the LuceneIndex object into the application scope.
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// This will attempt to create a new directory and empty index if there is none.
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// Here we want to put the LuceneIndex object into the application scope.
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// This will attempt to create a new directory and empty index if there is none.
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LuceneIndexer indexer = new LuceneIndexer(indexDir, null, getAnalyzer());
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context.setAttribute(ANALYZER, getAnalyzer());
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context.setAttribute(INDEX_DIR, indexDir);
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indexer.addObj2Doc(new Entity2LuceneDoc());
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context.setAttribute(LuceneIndexer.class.getName(), indexer);
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// Here we want to put the LuceneSearcher in the application scope.
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// the queries need to know the analyzer to use so that the same one can be used
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// to analyze the fields in the incoming user query terms.
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LuceneSearcher searcher = new LuceneSearcher(
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new LuceneQueryFactory(getAnalyzer(), ALLTEXT), indexDir);
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searcher.addObj2Doc(new Entity2LuceneDoc());
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context.setAttribute(Searcher.class.getName(), searcher);
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indexer.addSearcher(searcher);
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// This is where the builder gets the list of places to try to
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// get objects to index. It is filtered so that non-public text
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// does not get into the search index.
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//This is where to get a LucenIndex from. The indexer will
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//need to reference this to notify it of updates to the index
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LuceneIndexFactory lif = LuceneIndexFactory.getLuceneIndexFactoryFromContext(context);
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indexer.setLuceneIndexFactory(lif);
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// This is where the builder gets the list of places to try to
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// get objects to index. It is filtered so that non-public text
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// does not get into the search index.
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WebappDaoFactory wadf = (WebappDaoFactory) context.getAttribute("webappDaoFactory");
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VitroFilters vf = VitroFilterUtils.getDisplayFilterByRoleLevel(RoleLevel.PUBLIC, wadf);
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wadf = new WebappDaoFactoryFiltering(wadf, vf);
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@ -114,8 +110,8 @@ public class LuceneSetup implements javax.servlet.ServletContextListener {
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IndexBuilder builder = new IndexBuilder(context, indexer, sources);
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// here we add the IndexBuilder with the LuceneIndexer
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// to the servlet context so we can access it later in the webapp.
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// here we add the IndexBuilder with the LuceneIndexer
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// to the servlet context so we can access it later in the webapp.
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context.setAttribute(IndexBuilder.class.getName(), builder);
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// set up listeners so search index builder is notified of changes to model
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@ -149,8 +145,8 @@ public class LuceneSetup implements javax.servlet.ServletContextListener {
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} catch (Throwable t) {
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log.error("***** Error setting up Lucene search *****", t);
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}
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}
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}
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/**
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* Gets run when the webApp Context gets destroyed.
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*/
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@ -170,7 +166,7 @@ public class LuceneSetup implements javax.servlet.ServletContextListener {
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public static void setBoolMax() {
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BooleanQuery.setMaxClauseCount(16384);
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}
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/**
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* Gets the name of the directory to store the lucene index in. The
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* {@link ConfigurationProperties} should have a property named
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@ -204,29 +200,29 @@ public class LuceneSetup implements javax.servlet.ServletContextListener {
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}
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return dirName;
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}
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/**
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* Gets the analyzer that will be used when building the indexing
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* and when analyzing the incoming search terms.
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*
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* @return
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*/
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private Analyzer getAnalyzer() {
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}
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/**
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* Gets the analyzer that will be used when building the indexing
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* and when analyzing the incoming search terms.
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*
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* @return
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*/
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private Analyzer getAnalyzer() {
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PerFieldAnalyzerWrapper analyzer = new PerFieldAnalyzerWrapper( new KeywordAnalyzer());
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analyzer.addAnalyzer(ALLTEXT, new HtmlLowerStopStemAnalyzer());
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analyzer.addAnalyzer(NAME, new HtmlLowerStopStemAnalyzer());
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analyzer.addAnalyzer(ALLTEXTUNSTEMMED, new HtmlLowerStopAnalyzer());
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analyzer.addAnalyzer(NAMEUNSTEMMED, new HtmlLowerStopAnalyzer());
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return analyzer;
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return analyzer;
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}
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public static final String INDEX_REBUILD_REQUESTED_AT_STARTUP = "LuceneSetup.indexRebuildRequestedAtStarup";
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public static final String ANALYZER= "lucene.analyzer";
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public static final String INDEX_DIR = "lucene.indexDir";
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public static final String SEARCH_DATAPROPERTY_BLACKLIST =
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"search.dataproperty.blacklist";
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public static final String SEARCH_OBJECTPROPERTY_BLACKLIST =
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"search.objectproperty.blacklist";
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}
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public static final String INDEX_REBUILD_REQUESTED_AT_STARTUP = "LuceneSetup.indexRebuildRequestedAtStarup";
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public static final String ANALYZER= "lucene.analyzer";
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public static final String INDEX_DIR = "lucene.indexDir";
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public static final String SEARCH_DATAPROPERTY_BLACKLIST =
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"search.dataproperty.blacklist";
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public static final String SEARCH_OBJECTPROPERTY_BLACKLIST =
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"search.objectproperty.blacklist";
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}
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