+/*******************************************************************************\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.browsing.ui.graph.impl;\r
+\r
+import java.util.function.Consumer;\r
+\r
+import org.simantics.browsing.ui.DataSource;\r
+import org.simantics.db.AsyncRequestProcessor;\r
+import org.simantics.db.ReadGraph;\r
+import org.simantics.db.common.procedure.adapter.ProcedureAdapter;\r
+import org.simantics.db.common.request.ReadRequest;\r
+import org.simantics.db.service.LifecycleSupport;\r
+import org.simantics.utils.ui.ErrorLogger;\r
+\r
+public class ReadGraphDataSource implements DataSource<ReadGraph> {\r
+\r
+ final private AsyncRequestProcessor processor;\r
+ final private LifecycleSupport ls;\r
+\r
+ public ReadGraphDataSource(AsyncRequestProcessor processor) {\r
+ this.processor = processor;\r
+ this.ls = processor.getService(LifecycleSupport.class);\r
+ }\r
+\r
+ @Override\r
+ public void schedule(final Consumer<ReadGraph> callback) {\r
+ if(ls.isClosing() || ls.isClosed()) return;\r
+ processor.asyncRequest(new ReadRequest() {\r
+ @Override\r
+ public void run(ReadGraph graph) {\r
+ if(ls.isClosing() || ls.isClosed()) return;\r
+ callback.accept(graph);\r
+ }\r
+ }, new ProcedureAdapter<Object>() {\r
+ @Override\r
+ public void exception(Throwable t) {\r
+ ErrorLogger.defaultLogError(t);\r
+ }\r
+ });\r
+ }\r
+\r
+ @Override\r
+ public Class<ReadGraph> getProvidedClass() {\r
+ return ReadGraph.class;\r
+ }\r
+\r
+}\r