Fixed multiple issues causing dangling references to discarded queries

[simantics/platform.git] / bundles / org.simantics.db.layer0 / src / org / simantics / db / layer0 / genericrelation / DependenciesListenerStore.java

diff --git a/bundles/org.simantics.db.layer0/src/org/simantics/db/layer0/genericrelation/DependenciesListenerStore.java b/bundles/org.simantics.db.layer0/src/org/simantics/db/layer0/genericrelation/DependenciesListenerStore.java
index 6eb879b0057ccf4aa6b75fe450c071b4a0eb13eb..44a4b42a568d29d45d6cb02badb19275dc28b418 100644 (file)
--- a/bundles/org.simantics.db.layer0/src/org/simantics/db/layer0/genericrelation/DependenciesListenerStore.java
+++ b/bundles/org.simantics.db.layer0/src/org/simantics/db/layer0/genericrelation/DependenciesListenerStore.java
@@ -1,46 +1,46 @@
-package org.simantics.db.layer0.genericrelation;\r
-\r
-import gnu.trove.set.hash.THashSet;\r
-\r
-import java.util.HashMap;\r
-import java.util.Map;\r
-import java.util.Set;\r
-\r
-import org.simantics.db.Resource;\r
-\r
-class DependenciesListenerStore {\r
-       \r
-       private final Map<Resource,Set<Runnable>> listeners = new HashMap<Resource,Set<Runnable>>();\r
-\r
-       public synchronized void addListener(Resource model, Runnable listener) {\r
-               Set<Runnable> list = listeners.get(model);\r
-               if(list == null) {\r
-                       list = new THashSet<Runnable>();\r
-                       listeners.put(model, list);\r
-               }\r
-               list.add(listener);\r
-               if (DependenciesRelation.DEBUG_LISTENERS) {\r
-                       System.out.println("DependenciesRelation.addListener(" + listener + "), " + listeners.size() + " total listeners");\r
-                       new Exception("DependenciesRelation.addListener(" + listener + ")").printStackTrace(System.out);\r
-               }\r
-       }\r
-\r
-       public synchronized void removeListener(Resource model, Runnable listener) {\r
-               Set<Runnable> list = listeners.get(model);\r
-               if(list == null) return;\r
-               list.remove(listener);\r
-               if (DependenciesRelation.DEBUG_LISTENERS) {\r
-                       System.out.println("DependenciesRelation.removeListener(" + listener + "), " + listeners.size() + " total listeners");\r
-                       new Exception("DependenciesRelation.removeListener(" + listener + ")").printStackTrace(System.out);\r
-               }\r
-       }\r
-\r
-       public synchronized void fireListeners(Resource model) {\r
-               Set<Runnable> list = listeners.get(model);\r
-               if(list == null) return;\r
-               for (Runnable r : list) {\r
-                       r.run();\r
-               }\r
-       }\r
-\r
+package org.simantics.db.layer0.genericrelation;
+
+import gnu.trove.set.hash.THashSet;
+
+import java.util.HashMap;
+import java.util.Map;
+import java.util.Set;
+
+import org.simantics.db.Resource;
+
+class DependenciesListenerStore {
+       
+       private final Map<Resource,Set<Runnable>> listeners = new HashMap<Resource,Set<Runnable>>();
+
+       public synchronized void addListener(Resource model, Runnable listener) {
+               Set<Runnable> list = listeners.get(model);
+               if(list == null) {
+                       list = new THashSet<Runnable>();
+                       listeners.put(model, list);
+               }
+               list.add(listener);
+               if (DependenciesRelation.DEBUG_LISTENERS) {
+                       System.out.println("DependenciesRelation.addListener(" + listener + "), " + listeners.size() + " total listeners");
+                       new Exception("DependenciesRelation.addListener(" + listener + ")").printStackTrace(System.out);
+               }
+       }
+
+       public synchronized void removeListener(Resource model, Runnable listener) {
+               Set<Runnable> list = listeners.get(model);
+               if(list == null) return;
+               list.remove(listener);
+               if (DependenciesRelation.DEBUG_LISTENERS) {
+                       System.out.println("DependenciesRelation.removeListener(" + listener + "), " + listeners.size() + " total listeners");
+                       new Exception("DependenciesRelation.removeListener(" + listener + ")").printStackTrace(System.out);
+               }
+       }
+
+       public synchronized void fireListeners(Resource model) {
+               Set<Runnable> list = listeners.get(model);
+               if(list == null) return;
+               for (Runnable r : list) {
+                       r.run();
+               }
+       }
+
 }
\ No newline at end of file