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Changes to allow for inclusion of hashmap storing VClass instances keyed on class Uri (to allow for entity count to be returned for IndividualsForClasses)

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hjkhjk54 2011-06-22 21:54:56 +00:00
parent 9b3a97c736
commit 359457080c
1 changed files with 22 additions and 0 deletions
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22
webapp/src/edu/cornell/mannlib/vitro/webapp/dao/jena/VClassGroupCache.java
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@ -4,6 +4,7 @@ package edu.cornell.mannlib.vitro.webapp.dao.jena;
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashSet;
import java.util.HashMap;
import java.util.List;
import java.util.Set;
import java.util.concurrent.atomic.AtomicLong;
@ -55,6 +56,8 @@ public class VClassGroupCache{
private final RebuildGroupCacheThread _cacheRebuildThread;
private final ServletContext context;
//Also keep track of the classes here, makes it easier to get the counts and other information
private HashMap<String, VClass> VclassMap = new HashMap<String, VClass>();
private VClassGroupCache(ServletContext context) {
this.context = context;
@ -116,6 +119,14 @@ public class VClassGroupCache{
return _groupList;
}
//Get specific VClass corresponding to Map
public VClass getCachedVClass(String classUri) {
if(VclassMap.containsKey(classUri)) {
return VclassMap.get(classUri);
}
return null;
}
private synchronized void requestCacheUpdate(){
log.debug("requesting update");
_rebuildRequested = true;
@ -154,6 +165,17 @@ public class VClassGroupCache{
_groupList = groups;
_rebuildRequested = false;
//Also save the classes and their corresponding VClass objects for use later
for(VClassGroup vcg: groups) {
List<VClass> vclasses = vcg.getVitroClassList();
for(VClass vclass: vclasses) {
String classUri = vclass.getURI();
if(!VclassMap.containsKey(classUri)) {
VclassMap.put(classUri, vclass);
}
}
}
log.info("rebuilt ClassGroup cache in " + (System.currentTimeMillis() - start) + " msec");
return _groupList;
}catch (Exception ex){