--- /dev/null
+package org.simantics.db.layer0.util;\r
+\r
+import java.util.Map;\r
+\r
+import org.simantics.db.ReadGraph;\r
+import org.simantics.db.RequestProcessor;\r
+import org.simantics.db.common.request.UniqueRead;\r
+import org.simantics.db.exception.DatabaseException;\r
+import org.simantics.db.layer0.util.SimanticsClipboard.Representation;\r
+import org.simantics.db.layer0.variable.Variable;\r
+import org.simantics.db.layer0.variable.Variables;\r
+import org.simantics.utils.datastructures.hints.IHintContext.Key;\r
+\r
+class VariableRepresentation implements Representation {\r
+\r
+ private String URI;\r
+ \r
+ public VariableRepresentation(String URI) {\r
+ this.URI = URI;\r
+ }\r
+\r
+ @Override\r
+ public Key getKey() {\r
+ return SimanticsKeys.KEY_VARIABLE;\r
+ }\r
+ \r
+ @SuppressWarnings("unchecked")\r
+ @Override\r
+ public <T> T getValue(RequestProcessor processor, Map<String,Object> hints) throws DatabaseException {\r
+ return (T)processor.syncRequest(new UniqueRead<Variable>() {\r
+ @Override\r
+ public Variable perform(ReadGraph graph) throws DatabaseException {\r
+ return Variables.getVariable(graph, URI);\r
+ }\r
+ });\r
+ }\r
+ \r
+}
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