+/*******************************************************************************
+ * 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.procedure;
+
+import org.simantics.db.ReadGraph;
+
+/*
+ *
+ * Execute or exception is called exactly once.
+ *
+ */
+public interface SyncContextProcedure<Context, Result> {
+
+ void execute(ReadGraph graph, Context context, Result result);
+ void exception(ReadGraph graph, Throwable throwable);
+
+}