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OPENJPA-2470 : Update DataCacheManagerImpl to use a ConcurrentHashMap rather than a HashMap.

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git-svn-id: https://svn.apache.org/repos/asf/openjpa/trunk@1558594 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Richard G. Curtis 2014-01-15 22:34:05 +00:00
parent d0a311efe0
commit bf646350ea
1 changed files with 4 additions and 2 deletions
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6
openjpa-kernel/src/main/java/org/apache/openjpa/datacache/DataCacheManagerImpl.java
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@ -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);