-/*******************************************************************************\r
- * Copyright (c) 2007 VTT Technical Research Centre of Finland and others.\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.simulation.data;\r
-\r
-import org.simantics.databoard.accessor.error.AccessorException;\r
-import org.simantics.databoard.binding.Binding;\r
-\r
-/**\r
- * A handle to a variable of a {@link Datasource}.\r
- *\r
- * @author Toni Kalajainen <toni.kalajainen@vtt.fi>\r
- */\r
-public interface VariableHandle {\r
-\r
- /**\r
- * @return key (ID) of the variable\r
- */\r
- String key();\r
-\r
- /**\r
- * @return binding for the variable\r
- */\r
- Binding binding();\r
-\r
- /**\r
- * @return current value associated with this handle\r
- * @throws AccessorException if value cannot be retrieved\r
- */\r
- Object getValue() throws AccessorException;\r
-\r
- /**\r
- * Frees any resource related to this handle.\r
- */\r
- void dispose();\r
-\r
-}\r
-\r
+/*******************************************************************************
+ * Copyright (c) 2007 VTT Technical Research Centre of Finland and others.
+ * 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.simulation.data;
+
+import org.simantics.databoard.accessor.error.AccessorException;
+import org.simantics.databoard.binding.Binding;
+
+/**
+ * A handle to a variable of a {@link Datasource}.
+ *
+ * @author Toni Kalajainen <toni.kalajainen@vtt.fi>
+ */
+public interface VariableHandle {
+
+ /**
+ * @return key (ID) of the variable
+ */
+ String key();
+
+ /**
+ * @return binding for the variable
+ */
+ Binding binding();
+
+ /**
+ * @return current value associated with this handle
+ * @throws AccessorException if value cannot be retrieved
+ */
+ Object getValue() throws AccessorException;
+
+ /**
+ * @return current value associated with this handle within the given Datasource
+ * @throws AccessorException if value cannot be retrieved
+ */
+ Object getValue(Datasource datasource) throws AccessorException;
+
+ /**
+ * Frees any resource related to this handle.
+ */
+ void dispose();
+
+}
+