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From curti...@apache.org
Subject svn commit: r1558594 - /openjpa/trunk/openjpa-kernel/src/main/java/org/apache/openjpa/datacache/DataCacheManagerImpl.java
Date Wed, 15 Jan 2014 22:34:06 GMT
Author: curtisr7
Date: Wed Jan 15 22:34:05 2014
New Revision: 1558594

URL: http://svn.apache.org/r1558594
Log:
OPENJPA-2470 : Update DataCacheManagerImpl to use a ConcurrentHashMap rather than a HashMap.

Modified:
    openjpa/trunk/openjpa-kernel/src/main/java/org/apache/openjpa/datacache/DataCacheManagerImpl.java

Modified: openjpa/trunk/openjpa-kernel/src/main/java/org/apache/openjpa/datacache/DataCacheManagerImpl.java
URL: http://svn.apache.org/viewvc/openjpa/trunk/openjpa-kernel/src/main/java/org/apache/openjpa/datacache/DataCacheManagerImpl.java?rev=1558594&r1=1558593&r2=1558594&view=diff
==============================================================================
--- openjpa/trunk/openjpa-kernel/src/main/java/org/apache/openjpa/datacache/DataCacheManagerImpl.java
(original)
+++ openjpa/trunk/openjpa-kernel/src/main/java/org/apache/openjpa/datacache/DataCacheManagerImpl.java
Wed Jan 15 22:34:05 2014
@@ -22,6 +22,7 @@ import java.util.HashMap;
 import java.util.Map;
 import java.util.Set;
 import java.util.Map.Entry;
+import java.util.concurrent.ConcurrentHashMap;
 
 import org.apache.openjpa.conf.OpenJPAConfiguration;
 import org.apache.openjpa.enhance.PCDataGenerator;
@@ -50,7 +51,7 @@ public class DataCacheManagerImpl
     private DataCachePCDataGenerator _pcGenerator = null;
     private ClearableScheduler _scheduler = null;
     private CacheDistributionPolicy _policy = new DefaultCacheDistributionPolicy();
-    private Map<ClassMetaData,Boolean> _cacheable = new HashMap<ClassMetaData, Boolean>();
+    private Map<ClassMetaData, Boolean> _cacheable = null;
     
     // Properties that are configured via openjpa.DataCache but need to be used here. This
is here to support the 1.2
     // way of doing things with openjpa.DataCache(Types=x;y;z,ExcludedTypes=a)
@@ -58,7 +59,8 @@ public class DataCacheManagerImpl
     private Set<String> _excludedTypes;
     
     public void initialize(OpenJPAConfiguration conf, ObjectValue dataCache, ObjectValue
queryCache) {
-        _conf = conf;        
+        _conf = conf;
+        _cacheable = new ConcurrentHashMap<ClassMetaData, Boolean>();
         _queryCache = (QueryCache) queryCache.instantiate(QueryCache.class, conf);
         if (_queryCache != null)
             _queryCache.initialize(this);



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