Direct and synchronization-free access to Layer0 resource class for DB

[simantics/platform.git] / bundles / org.simantics.db.impl / src / org / simantics / db / impl / query / QueryProcessor.java

diff --git a/bundles/org.simantics.db.impl/src/org/simantics/db/impl/query/QueryProcessor.java b/bundles/org.simantics.db.impl/src/org/simantics/db/impl/query/QueryProcessor.java
index a46bc0e8dd4e1b024dea3b0dd8d7269b10a19192..6d9560940be2b1c19b73616c85a2996ee2b65d25 100644 (file)
--- a/bundles/org.simantics.db.impl/src/org/simantics/db/impl/query/QueryProcessor.java
+++ b/bundles/org.simantics.db.impl/src/org/simantics/db/impl/query/QueryProcessor.java
@@ -1279,8 +1279,9 @@ final public class QueryProcessor extends AbstractDisposable implements ReadGrap
                        entry.prepareRecompute(querySupport);
                        
                        ReadGraphImpl parentGraph = graph.forRecompute(entry);
-
+                       parentGraph.asyncBarrier.inc();
                        query.recompute(parentGraph);
+                       parentGraph.asyncBarrier.dec();
 
                        if(entry.isExcepted()) return ListenerEntry.NO_VALUE;
 
@@ -4053,6 +4054,10 @@ final public class QueryProcessor extends AbstractDisposable implements ReadGrap
                return L0;
        }
 
+       public Layer0 getL0() {
+               return L0;
+       }
+
     public static ThreadLocal<Integer> thread = new ThreadLocal<Integer>() {
         protected Integer initialValue() {
             return -1;