X-Git-Url: https://gerrit.simantics.org/r/gitweb?a=blobdiff_plain;f=bundles%2Forg.simantics.db.common%2Fsrc%2Forg%2Fsimantics%2Fdb%2Fcommon%2Fprocedure%2Fsingle%2Fwrapper%2FSingleFunctionalOrNullProcedure.java;fp=bundles%2Forg.simantics.db.common%2Fsrc%2Forg%2Fsimantics%2Fdb%2Fcommon%2Fprocedure%2Fsingle%2Fwrapper%2FSingleFunctionalOrNullProcedure.java;h=3cff02ead2b3ff73e050e801b7e230147905a07c;hb=0ae2b770234dfc3cbb18bd38f324125cf0faca07;hp=e593dafb36d8380cae7e1a464b6c3c1ec4a1e3ef;hpb=24e2b34260f219f0d1644ca7a138894980e25b14;p=simantics%2Fplatform.git

diff --git a/bundles/org.simantics.db.common/src/org/simantics/db/common/procedure/single/wrapper/SingleFunctionalOrNullProcedure.java b/bundles/org.simantics.db.common/src/org/simantics/db/common/procedure/single/wrapper/SingleFunctionalOrNullProcedure.java
index e593dafb3..3cff02ead 100644
--- a/bundles/org.simantics.db.common/src/org/simantics/db/common/procedure/single/wrapper/SingleFunctionalOrNullProcedure.java
+++ b/bundles/org.simantics.db.common/src/org/simantics/db/common/procedure/single/wrapper/SingleFunctionalOrNullProcedure.java
@@ -1,76 +1,76 @@
-/*******************************************************************************
- * Copyright (c) 2007, 2010 Association for Decentralized Information Management
- * in Industry THTH ry.
- * All rights reserved. This program and the accompanying materials
- * are made available under the terms of the Eclipse Public License v1.0
- * which accompanies this distribution, and is available at
- * http://www.eclipse.org/legal/epl-v10.html
- *
- * Contributors:
- *     VTT Technical Research Centre of Finland - initial API and implementation
- *******************************************************************************/
-package org.simantics.db.common.procedure.single.wrapper;
-
-import java.util.concurrent.atomic.AtomicBoolean;
-
-import org.simantics.db.AsyncReadGraph;
-import org.simantics.db.common.procedure.adapter.AsyncMultiProcedureAdapter;
-import org.simantics.db.exception.ManyObjectsForFunctionalRelationException;
-import org.simantics.db.procedure.AsyncProcedure;
-
-final public class SingleFunctionalOrNullProcedure<Result> extends AsyncMultiProcedureAdapter<Result> {
-    
-	final String location;
-	final AsyncProcedure<Result> procedure;
-    final AtomicBoolean found = new AtomicBoolean(false);
-    final AtomicBoolean guard = new AtomicBoolean(false);
-    final AtomicBoolean exception = new AtomicBoolean(false);
-    
-    public SingleFunctionalOrNullProcedure(String location, AsyncProcedure<Result> procedure) {
-        
-    	this.location = location;
-        this.procedure = procedure;
-        
-    }
-    
-    @Override
-    public void execute(AsyncReadGraph graph, Result result) {
-        
-        assert(!guard.get());
-
-        if(found.compareAndSet(false, true)) {
-            procedure.execute(graph, result);
-        } else {
-            if(exception.compareAndSet(false, true)) {
-                procedure.exception(graph, new ManyObjectsForFunctionalRelationException(location + " -> " + procedure));
-            }
-        }
-        
-    }
-	
-    @Override
-    public void finished(AsyncReadGraph graph) {
-
-        assert(!guard.get());
-        
-        guard.set(true);
-        
-        if(found.compareAndSet(false, true)) {
-            procedure.execute(graph, null);
-        }
-        
-    }
-    
-    @Override
-    public void exception(AsyncReadGraph graph, Throwable t) {
-        
-        procedure.exception(graph, t);
-        
-    }
-    
-    @Override
-    public String toString() {
-        return "SingleFunctionalOrNullProcedure -> " + procedure;
-    }
-
-}
+/*******************************************************************************
+ * Copyright (c) 2007, 2010 Association for Decentralized Information Management
+ * in Industry THTH ry.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *     VTT Technical Research Centre of Finland - initial API and implementation
+ *******************************************************************************/
+package org.simantics.db.common.procedure.single.wrapper;
+
+import java.util.concurrent.atomic.AtomicBoolean;
+
+import org.simantics.db.AsyncReadGraph;
+import org.simantics.db.common.procedure.adapter.AsyncMultiProcedureAdapter;
+import org.simantics.db.exception.ManyObjectsForFunctionalRelationException;
+import org.simantics.db.procedure.AsyncProcedure;
+
+final public class SingleFunctionalOrNullProcedure<Result> extends AsyncMultiProcedureAdapter<Result> {
+    
+	final String location;
+	final AsyncProcedure<Result> procedure;
+    final AtomicBoolean found = new AtomicBoolean(false);
+    final AtomicBoolean guard = new AtomicBoolean(false);
+    final AtomicBoolean exception = new AtomicBoolean(false);
+    
+    public SingleFunctionalOrNullProcedure(String location, AsyncProcedure<Result> procedure) {
+        
+    	this.location = location;
+        this.procedure = procedure;
+        
+    }
+    
+    @Override
+    public void execute(AsyncReadGraph graph, Result result) {
+        
+        assert(!guard.get());
+
+        if(found.compareAndSet(false, true)) {
+            procedure.execute(graph, result);
+        } else {
+            if(exception.compareAndSet(false, true)) {
+                procedure.exception(graph, new ManyObjectsForFunctionalRelationException(location + " -> " + procedure));
+            }
+        }
+        
+    }
+	
+    @Override
+    public void finished(AsyncReadGraph graph) {
+
+        assert(!guard.get());
+        
+        guard.set(true);
+        
+        if(found.compareAndSet(false, true)) {
+            procedure.execute(graph, null);
+        }
+        
+    }
+    
+    @Override
+    public void exception(AsyncReadGraph graph, Throwable t) {
+        
+        procedure.exception(graph, t);
+        
+    }
+    
+    @Override
+    public String toString() {
+        return "SingleFunctionalOrNullProcedure -> " + procedure;
+    }
+
+}