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Posted to dev@tomcat.apache.org by ma...@apache.org on 2011/09/07 22:07:22 UTC
svn commit: r1166366 -
/tomcat/trunk/java/org/apache/catalina/core/DefaultInstanceManager.java
Author: markt
Date: Wed Sep 7 20:07:22 2011
New Revision: 1166366
URL: http://svn.apache.org/viewvc?rev=1166366&view=rev
Log:
Reduce cache memory usage for classes with no annotations. Review comment from kkolinko.
Modified:
tomcat/trunk/java/org/apache/catalina/core/DefaultInstanceManager.java
Modified: tomcat/trunk/java/org/apache/catalina/core/DefaultInstanceManager.java
URL: http://svn.apache.org/viewvc/tomcat/trunk/java/org/apache/catalina/core/DefaultInstanceManager.java?rev=1166366&r1=1166365&r2=1166366&view=diff
==============================================================================
--- tomcat/trunk/java/org/apache/catalina/core/DefaultInstanceManager.java (original)
+++ tomcat/trunk/java/org/apache/catalina/core/DefaultInstanceManager.java Wed Sep 7 20:07:22 2011
@@ -31,6 +31,7 @@ import java.security.PrivilegedAction;
import java.security.PrivilegedActionException;
import java.security.PrivilegedExceptionAction;
import java.util.ArrayList;
+import java.util.Collections;
import java.util.List;
import java.util.Map;
import java.util.Properties;
@@ -402,6 +403,10 @@ public class DefaultInstanceManager impl
annotation.name()));
}
}
+ if (annotations.size() == 0) {
+ // Use common empty list to save memory
+ annotations = Collections.emptyList();
+ }
annotationCache.put(clazz, annotations);
} else {
for (AnnotationCacheEntry entry : annotations) {
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