New implementation of server state based on StandardNodeManager

[simantics/platform.git] / bundles / org.simantics.simulator.toolkit / src / org / simantics / simulator / toolkit / StandardNodeManager.java

diff --git a/bundles/org.simantics.simulator.toolkit/src/org/simantics/simulator/toolkit/StandardNodeManager.java b/bundles/org.simantics.simulator.toolkit/src/org/simantics/simulator/toolkit/StandardNodeManager.java
index 87ae4f32f3b7394d1e8168c705c2584ba0ae3f8c..8f1d1cf53c9c2a0c29ce8a6fbefd499128646df7 100644 (file)
--- a/bundles/org.simantics.simulator.toolkit/src/org/simantics/simulator/toolkit/StandardNodeManager.java
+++ b/bundles/org.simantics.simulator.toolkit/src/org/simantics/simulator/toolkit/StandardNodeManager.java
@@ -43,7 +43,7 @@ import gnu.trove.set.hash.THashSet;
 /**
  * StandardNodeManager gives default implementations to some methods
  * of NodeManager.
- * 
+ *
  * @author Antti Villberg
  */
 public abstract class StandardNodeManager<Node, Engine extends StandardNodeManagerSupport<Node>> implements NodeManager<Node> {
@@ -108,15 +108,15 @@ public abstract class StandardNodeManager<Node, Engine extends StandardNodeManag
                     return  System.identityHashCode(o1);
                 } else {
                     if(o1.equals(o2)) return 0;
-                    return System.identityHashCode(o1) - System.identityHashCode(o2);  
+                    return System.identityHashCode(o1) - System.identityHashCode(o2);
                 }
             }
         }
 
     };
 
-    THashMap<Node, Variant> valueCache = new THashMap<>(); 
-    protected THashMap<Node, THashSet<Runnable>> listeners = new THashMap<>(); 
+    THashMap<Node, Variant> valueCache = new THashMap<>();
+    protected THashMap<Node, THashSet<Runnable>> listeners = new THashMap<>();
 
     AtomicBoolean fireNodeListenersScheduled = new AtomicBoolean(false);
     Runnable fireNodeListeners = new Runnable() {
@@ -136,7 +136,7 @@ public abstract class StandardNodeManager<Node, Engine extends StandardNodeManag
         }
     };
 
-    Runnable clearValueCache = () -> valueCache.clear(); 
+    Runnable clearValueCache = () -> valueCache.clear();
 
     public StandardNodeManager(StandardRealm<Node,Engine> realm, Node root) {
         assert(realm != null);
@@ -263,6 +263,20 @@ public abstract class StandardNodeManager<Node, Engine extends StandardNodeManag
         }
     }
 
+    public void refreshVariable(Node node) {
+        realm.asyncExec(() -> {
+            valueCache.remove(node);
+            synchronized(listeners) {
+                THashSet<Runnable> runnables = listeners.get(node);
+                if (runnables != null) {
+                    for (Runnable r : runnables) {
+                        r.run();
+                    }
+                }
+            }
+        });
+    }
+
     public void refreshVariables() {
         realm.asyncExec(clearValueCache);
         fireNodeListeners();
@@ -327,7 +341,7 @@ public abstract class StandardNodeManager<Node, Engine extends StandardNodeManag
                 throw new NodeManagerException(e);
             }
         }
-        refreshVariables();
+        refreshVariable(node);
     }
 
     @Override
@@ -336,7 +350,7 @@ public abstract class StandardNodeManager<Node, Engine extends StandardNodeManag
             String id = getRealmId();
             int lastSlash = id.lastIndexOf("/");
             if(lastSlash == -1) throw new IllegalStateException("Invalid realm id " + id);
-            String name = id.substring(lastSlash+1); 
+            String name = id.substring(lastSlash+1);
             return name;
         } else {
             return realm.getEngine().getName(node);