More sensible caching for connection lines.

[simantics/district.git] / org.simantics.district.network / src / org / simantics / district / network / DistrictNetworkUtil.java

diff --git a/org.simantics.district.network/src/org/simantics/district/network/DistrictNetworkUtil.java b/org.simantics.district.network/src/org/simantics/district/network/DistrictNetworkUtil.java
index fd72a67378b62609f3061284aca2528723a78512..24a77575d6d6ed6ac9ba88485bb12c8763efa3f3 100644 (file)
--- a/org.simantics.district.network/src/org/simantics/district/network/DistrictNetworkUtil.java
+++ b/org.simantics.district.network/src/org/simantics/district/network/DistrictNetworkUtil.java
@@ -9,6 +9,8 @@ import org.simantics.datatypes.literal.RGB.Integer;
 import org.simantics.db.ReadGraph;
 import org.simantics.db.Resource;
 import org.simantics.db.WriteGraph;
+import org.simantics.db.common.procedure.adapter.TransientCacheListener;
+import org.simantics.db.common.request.ResourceRead;
 import org.simantics.db.common.utils.OrderedSetUtils;
 import org.simantics.db.exception.BindingException;
 import org.simantics.db.exception.DatabaseException;
@@ -181,6 +183,10 @@ public class DistrictNetworkUtil {
         ModelingResources MOD = ModelingResources.getInstance(graph);
         return graph.getPossibleObject(mappedElement, MOD.ElementToComponent);
     }
+    
+    public static Resource getMappedComponentCached(ReadGraph graph, Resource vertex) throws DatabaseException {
+        return graph.syncRequest(new MappedComponentRequest(vertex), TransientCacheListener.instance());
+    }
 
     public static Resource getMappedDNElement(ReadGraph graph, Resource element) throws DatabaseException {
         if (element == null)
@@ -242,4 +248,16 @@ public class DistrictNetworkUtil {
                 DistrictNetworkResource.getInstance(graph).Diagram_backgroundColor,
                 Bindings.getBindingUnchecked(RGB.Integer.class));
     }
+
+    public static final class MappedComponentRequest extends ResourceRead<Resource> {
+        public MappedComponentRequest(Resource element) {
+            super(element);
+        }
+
+        @Override
+        public Resource perform(ReadGraph graph) throws DatabaseException {
+            return getMappedComponent(graph, resource);
+        }
+    }
+
 }