-/*******************************************************************************\r
- * Copyright (c) 2007, 2010 Association for Decentralized Information Management\r
- * in Industry THTH ry.\r
- * All rights reserved. This program and the accompanying materials\r
- * are made available under the terms of the Eclipse Public License v1.0\r
- * which accompanies this distribution, and is available at\r
- * http://www.eclipse.org/legal/epl-v10.html\r
- *\r
- * Contributors:\r
- * VTT Technical Research Centre of Finland - initial API and implementation\r
- *******************************************************************************/\r
-package org.simantics.db.common.procedure.adapter;\r
-\r
-import java.util.concurrent.atomic.AtomicBoolean;\r
-\r
-import org.simantics.db.AsyncReadGraph;\r
-import org.simantics.db.procedure.AsyncListener;\r
-\r
-abstract public class StagedAsyncListener<T> implements AsyncListener<T> {\r
-\r
- final private AtomicBoolean first = new AtomicBoolean(true); \r
- \r
- @Override\r
- public void exception(AsyncReadGraph graph, Throwable t) {\r
- }\r
-\r
- @Override\r
- final public void execute(AsyncReadGraph graph, T result) {\r
- if(first.compareAndSet(true, false)) {\r
- first(graph, result);\r
- } else {\r
- rest(graph, result);\r
- }\r
- }\r
-\r
- @Override\r
- public boolean isDisposed() {\r
- return false;\r
- }\r
-\r
- abstract public void first(AsyncReadGraph graph, T result);\r
- abstract public void rest(AsyncReadGraph graph, T result);\r
-\r
-}\r
+/*******************************************************************************
+ * 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.adapter;
+
+import java.util.concurrent.atomic.AtomicBoolean;
+
+import org.simantics.db.AsyncReadGraph;
+import org.simantics.db.procedure.AsyncListener;
+
+abstract public class StagedAsyncListener<T> implements AsyncListener<T> {
+
+ final private AtomicBoolean first = new AtomicBoolean(true);
+
+ @Override
+ public void exception(AsyncReadGraph graph, Throwable t) {
+ }
+
+ @Override
+ final public void execute(AsyncReadGraph graph, T result) {
+ if(first.compareAndSet(true, false)) {
+ first(graph, result);
+ } else {
+ rest(graph, result);
+ }
+ }
+
+ @Override
+ public boolean isDisposed() {
+ return false;
+ }
+
+ abstract public void first(AsyncReadGraph graph, T result);
+ abstract public void rest(AsyncReadGraph graph, T result);
+
+}