Author: mreutegg
Date: Mon Jul 14 19:24:22 2014
New Revision: 1610489

URL: http://svn.apache.org/r1610489
Log:
OAK-1967: Avoid collision marker update when already present

Modified:
    
jackrabbit/oak/trunk/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/document/Collision.java

Modified: 
jackrabbit/oak/trunk/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/document/Collision.java
URL: 
http://svn.apache.org/viewvc/jackrabbit/oak/trunk/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/document/Collision.java?rev=1610489&r1=1610488&r2=1610489&view=diff
==============================================================================
--- 
jackrabbit/oak/trunk/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/document/Collision.java
 (original)
+++ 
jackrabbit/oak/trunk/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/document/Collision.java
 Mon Jul 14 19:24:22 2014
@@ -126,6 +126,11 @@ class Collision {
         if (commitRoot.isCommitted(revision)) {
             return false;
         }
+        // check if there is already a collision marker
+        if 
(commitRoot.getLocalMap(NodeDocument.COLLISIONS).containsKey(revision)) {
+            // already marked
+            return true;
+        }
         NodeDocument.addCollision(op, revision);
         commitRoot = store.createOrUpdate(Collection.NODES, op);
         // check again on old document right before our update was applied


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