Move remaining profiles to visualisations for perf

[simantics/district.git] / org.simantics.district.network / src / org / simantics / district / network / profile / VertexSymbolStyle.java

diff --git a/org.simantics.district.network/src/org/simantics/district/network/profile/VertexSymbolStyle.java b/org.simantics.district.network/src/org/simantics/district/network/profile/VertexSymbolStyle.java
index 65304502adc19c0f4de55ac7b540927a40db1282..913ba201222bf705978d8abae418976475c7d935 100644 (file)
--- a/org.simantics.district.network/src/org/simantics/district/network/profile/VertexSymbolStyle.java
+++ b/org.simantics.district.network/src/org/simantics/district/network/profile/VertexSymbolStyle.java
@@ -1,36 +1,62 @@
 package org.simantics.district.network.profile;
 
+import org.simantics.Simantics;
 import org.simantics.db.ReadGraph;
 import org.simantics.db.Resource;
+import org.simantics.db.common.procedure.adapter.TransientCacheListener;
+import org.simantics.db.common.request.ResourceRead;
 import org.simantics.db.exception.DatabaseException;
-import org.simantics.diagram.profile.StyleBase;
 import org.simantics.district.network.ontology.DistrictNetworkResource;
+import org.simantics.layer0.Layer0;
 import org.simantics.scenegraph.INode;
 import org.simantics.scenegraph.g2d.G2DSceneGraph;
 import org.simantics.scenegraph.g2d.nodes.SingleElementNode;
 import org.simantics.scenegraph.profile.EvaluationContext;
 import org.simantics.scenegraph.profile.common.ProfileVariables;
 import org.simantics.scl.runtime.function.Function;
+import org.simantics.scl.runtime.function.FunctionImpl1;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
-public class VertexSymbolStyle extends StyleBase<String> {
+@Deprecated
+public class VertexSymbolStyle extends ThrottledStyleBase<String> {
 
-       @SuppressWarnings({ "rawtypes", "unchecked" })
-       @Override
-       public String calculateStyle(ReadGraph graph, Resource runtimeDiagram, Resource entry, Resource groupItem) throws DatabaseException {
-               DistrictNetworkResource DN = DistrictNetworkResource.getInstance(graph);
-               Resource symbolFunctionResource = graph.getPossibleObject(entry, DN.HasSymbolFunction);
-               if (symbolFunctionResource == null)
-                       return null;
-               
-               Function symbolFunction = (Function) graph.getPossibleValue2(symbolFunctionResource, null);
-               if (symbolFunction == null)
-                       return null;
-               
-               return (String) symbolFunction.apply(graph, entry);
+       private static final Logger LOGGER = LoggerFactory.getLogger(VertexSymbolStyle.class);
+
+    @Override
+    public String calculateThrottledStyle(ReadGraph graph, Resource runtimeDiagram, Resource entry, Resource groupItem) throws DatabaseException {
+        return calculateStyle(graph, entry, groupItem);
+    }
+
+    @SuppressWarnings({ "rawtypes", "unchecked" })
+    public static String calculateStyle(ReadGraph graph, Resource entry, Resource groupItem) throws DatabaseException {
+        // Prevent PendingVariableExceptions from coming through
+        boolean wasSynchronous = graph.setSynchronous(true);
+        try {
+            Function symbolFunction = getSymbolFunction(graph, entry);
+            if (symbolFunction == null)
+                return null;
+
+            try {
+                return (String) Simantics.applySCLRead(graph, symbolFunction, groupItem);
+            } catch (Exception e) {
+                LOGGER.error("Getting dynamic symbol for " + groupItem + " ("
+                        + graph.getPossibleRelatedValue(groupItem, Layer0.getInstance(graph).HasName) + ") failed", e);
+                return null;
+            }
+        } finally {
+            graph.setSynchronous(wasSynchronous);
+        }
+    }
+
+       @SuppressWarnings("rawtypes")
+       public static Function getSymbolFunction(ReadGraph graph, Resource entry) throws DatabaseException {
+               // Cache function read for profile entry
+               return graph.syncRequest(new SymbolFunctionRequest(entry), TransientCacheListener.<Function>instance());
        }
 
        @Override
-       public void applyStyleForNode(EvaluationContext observer, INode node, String value) {
+       public void applyThrottledStyleForNode(EvaluationContext observer, INode node, String value) {
                SingleElementNode n = (SingleElementNode) node;
                for (INode nn : n.getNodes())
                        ProfileVariables.claimNodeProperty(nn, "SVG", value, observer);
@@ -44,4 +70,29 @@ public class VertexSymbolStyle extends StyleBase<String> {
                        ProfileVariables.claimNodeProperty(nn, "SVG", null, evaluationContext);
        }
 
+       @SuppressWarnings("rawtypes")
+       protected static final class SymbolFunctionRequest extends ResourceRead<Function> {
+               protected static final Function CONST_NULL = new FunctionImpl1<Resource, String>() {
+                       @Override
+                       public String apply(Resource p0) {
+                               return null;
+                       }
+               };
+               
+               public SymbolFunctionRequest(Resource entry) {
+                       super(entry);
+               }
+
+               @Override
+               public Function perform(ReadGraph graph) throws DatabaseException {
+                       DistrictNetworkResource DN = DistrictNetworkResource.getInstance(graph);
+                       
+                       Function symbolFunction = (Function) graph.getPossibleRelatedValue2(resource, DN.HasSymbolFunction, resource);
+                       if (symbolFunction == null)
+                               symbolFunction = CONST_NULL;
+                       
+                       return symbolFunction;
+               }
+       }
+
 }