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Posted to commits@uima.apache.org by sc...@apache.org on 2014/09/16 23:43:59 UTC
svn commit: r1625409 -
/uima/uimaj/trunk/uimaj-core/src/main/java/org/apache/uima/resource/impl/ResourceManager_impl.java
Author: schor
Date: Tue Sep 16 21:43:59 2014
New Revision: 1625409
URL: http://svn.apache.org/r1625409
Log:
[UIMA-4012] reduce sync contention.
Modified:
uima/uimaj/trunk/uimaj-core/src/main/java/org/apache/uima/resource/impl/ResourceManager_impl.java
Modified: uima/uimaj/trunk/uimaj-core/src/main/java/org/apache/uima/resource/impl/ResourceManager_impl.java
URL: http://svn.apache.org/viewvc/uima/uimaj/trunk/uimaj-core/src/main/java/org/apache/uima/resource/impl/ResourceManager_impl.java?rev=1625409&r1=1625408&r2=1625409&view=diff
==============================================================================
--- uima/uimaj/trunk/uimaj-core/src/main/java/org/apache/uima/resource/impl/ResourceManager_impl.java (original)
+++ uima/uimaj/trunk/uimaj-core/src/main/java/org/apache/uima/resource/impl/ResourceManager_impl.java Tue Sep 16 21:43:59 2014
@@ -660,6 +660,11 @@ public class ResourceManager_impl implem
* @see org.apache.uima.resource.ResourceManager#getCasManager()
*/
public CasManager getCasManager() {
+ //Optimization for case where mCasManager already created
+ // Some sync contention was observed - this makes it less. UIMA-4012
+ if(mCasManager != null) {
+ return mCasManager;
+ }
synchronized(casManagerMonitor) {
if (mCasManager == null) {
mCasManager = new CasManager_impl(this);